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Date: Tue, 20 Dec 2011 11:45:43 +0900
From: Tomoya MORINAGA <tomoya.rohm@...il.com>
To: Liam Girdwood <lrg@...com>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
Lars-Peter Clausen <lars@...afoo.de>,
Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>,
Mike Frysinger <vapier@...too.org>,
Daniel Mack <zonque@...il.com>, alsa-devel@...a-project.org,
linux-kernel@...r.kernel.org
Cc: qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com,
kok.howg.ewe@...el.com, Tomoya MORINAGA <tomoya.rohm@...il.com>
Subject: [PATCH 2/3 v4] sound/soc/lapis: add machine driver for ML7213 Carrier Board
This driver is for LAPIS Semiconductor ML7213 Carrier Board.
This driver controls ML26124 CODEC and ML7213 IOH I2S.
Signed-off-by: Tomoya MORINAGA <tomoya.rohm@...il.com>
---
V4
- Add MCLKFS / BCLKFS processing
- Delete ml7213_ioh_init
---
sound/soc/Kconfig | 1 +
sound/soc/Makefile | 1 +
sound/soc/lapis/Kconfig | 5 +
sound/soc/lapis/Makefile | 4 +
sound/soc/lapis/ml7213ioh-machine.c | 214 +++++++++++++++++++++++++++++++++++
5 files changed, 225 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..cdb196a
--- /dev/null
+++ b/sound/soc/lapis/Makefile
@@ -0,0 +1,4 @@
+# Platform
+snd-soc-ml7213-machine-objs := ml7213ioh-machine.o
+
+obj-$(CONFIG_SND_SOC_ML7213_MACHINE) += 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..4787793
--- /dev/null
+++ b/sound/soc/lapis/ml7213ioh-machine.c
@@ -0,0 +1,214 @@
+/*
+ * 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 <sound/pcm_params.h>
+#include <linux/i2c.h>
+#include "../codecs/ml26124.h"
+#include "ioh_i2s.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_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_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;
+
+ unsigned int clk = 0;
+ int ret = 0;
+ int bclkfs;
+ int mclkfs;
+ int rate = params_rate(hw_params);
+
+ switch (rate) {
+ case 16000:
+ case 32000:
+ case 48000:
+ clk = 12288000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ mclkfs = clk / rate;
+
+ switch (params_format(hw_params)) {
+ case SNDRV_PCM_FORMAT_U8:
+ case SNDRV_PCM_FORMAT_S16_LE:
+ bclkfs = 32;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ bclkfs = 64;
+ break;
+ default:
+ pr_err("%s: Failed not support format\n", __func__);
+ return -1;
+ break;
+ }
+
+ /* 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;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_BCLKFS0, bclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_BCLKFS1, bclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_BCLKFS2, bclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_BCLKFS3, bclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_BCLKFS4, bclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_BCLKFS5, bclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_MCLKFS0, mclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_MCLKFS1, mclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_MCLKFS2, mclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_MCLKFS3, mclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_MCLKFS4, mclkfs);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, ML7213IOH_MCLKFS5, mclkfs);
+ 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,
+ .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@...il.com>");
+MODULE_DESCRIPTION("LAPIS Semiconductor ML7213 IOH ALSA SoC machine driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ml7213ioh-i2s");
--
1.7.4.4
--
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