[PATCH 2/3] ASoC: add tavorevb3 machine driver for 88pm860x
Haojian Zhuang
haojian.zhuang at marvell.com
Tue Aug 17 07:24:35 CEST 2010
88PM860x codec is used in Marvell tavorevb3 development board. 88PM860x
codec is used as master mode of SSP communication. Only I2S format is
supported.
Signed-off-by: Haojian Zhuang <haojian.zhuang at marvell.com>
---
sound/soc/pxa/Kconfig | 9 ++
sound/soc/pxa/Makefile | 2 +
sound/soc/pxa/tavorevb3.c | 180 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 191 insertions(+), 0 deletions(-)
create mode 100644 sound/soc/pxa/tavorevb3.c
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index e30c832..04ddc7b 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -117,6 +117,15 @@ config SND_PXA2XX_SOC_PALM27X
Say Y if you want to add support for SoC audio on
Palm T|X, T5, E2 or LifeDrive handheld computer.
+config SND_SOC_TAVOREVB3
+ tristate "SoC Audio support for Marvell Tavor EVB3"
+ depends on SND_PXA2XX_SOC && MACH_TAVOREVB3
+ select SND_PXA_SOC_SSP
+ select SND_SOC_88PM860X
+ help
+ Say Y if you want to add support for SoC audio on the
+ Marvell Saarb reference platform.
+
config SND_SOC_ZYLONITE
tristate "SoC Audio support for Marvell Zylonite"
depends on SND_PXA2XX_SOC && MACH_ZYLONITE
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
index caa03d8..315941f 100644
--- a/sound/soc/pxa/Makefile
+++ b/sound/soc/pxa/Makefile
@@ -19,6 +19,7 @@ snd-soc-e800-objs := e800_wm9712.o
snd-soc-spitz-objs := spitz.o
snd-soc-em-x270-objs := em-x270.o
snd-soc-palm27x-objs := palm27x.o
+snd-soc-tavorevb3-objs := tavorevb3.o
snd-soc-zylonite-objs := zylonite.o
snd-soc-magician-objs := magician.o
snd-soc-mioa701-objs := mioa701_wm9713.o
@@ -38,6 +39,7 @@ obj-$(CONFIG_SND_PXA2XX_SOC_PALM27X) += snd-soc-palm27x.o
obj-$(CONFIG_SND_PXA2XX_SOC_MAGICIAN) += snd-soc-magician.o
obj-$(CONFIG_SND_PXA2XX_SOC_MIOA701) += snd-soc-mioa701.o
obj-$(CONFIG_SND_PXA2XX_SOC_Z2) += snd-soc-z2.o
+obj-$(CONFIG_SND_SOC_TAVOREVB3) += snd-soc-tavorevb3.o
obj-$(CONFIG_SND_SOC_ZYLONITE) += snd-soc-zylonite.o
obj-$(CONFIG_SND_PXA2XX_SOC_IMOTE2) += snd-soc-imote2.o
obj-$(CONFIG_SND_SOC_RAUMFELD) += snd-soc-raumfeld.o
diff --git a/sound/soc/pxa/tavorevb3.c b/sound/soc/pxa/tavorevb3.c
new file mode 100644
index 0000000..194f81a
--- /dev/null
+++ b/sound/soc/pxa/tavorevb3.c
@@ -0,0 +1,180 @@
+/*
+ * tavorevb3.c -- SoC audio for Tavor EVB3
+ *
+ * Copyright (C) 2010 Marvell International Ltd.
+ * Haojian Zhuang <haojian.zhuang at marvell.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.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/clk.h>
+#include <linux/i2c.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+
+#include "../codecs/88pm860x-codec.h"
+#include "pxa-ssp.h"
+
+static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd);
+
+static struct platform_device *evb3_snd_device;
+
+/* tavorevb3 machine dapm widgets */
+static const struct snd_soc_dapm_widget evb3_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
+ SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
+ SND_SOC_DAPM_SPK("Board Speaker", NULL),
+ SND_SOC_DAPM_MIC("Board Mic 1", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Board Mic 3", NULL),
+};
+
+/* tavorevb3 machine audio map */
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Headphone", NULL, "HS1"},
+ {"Headphone", NULL, "HS2"},
+
+ {"Board Speaker", NULL, "LSP"},
+ {"Board Speaker", NULL, "LSN"},
+
+ {"Lineout Out 1", NULL, "LINEOUT1"},
+ {"Lineout Out 2", NULL, "LINEOUT2"},
+
+ {"MIC1P", NULL, "Mic1 Bias"},
+ {"MIC1N", NULL, "Mic1 Bias"},
+ {"Mic1 Bias", NULL, "Board Mic 1"},
+
+ {"MIC2P", NULL, "Mic1 Bias"},
+ {"MIC2N", NULL, "Mic1 Bias"},
+ {"Mic1 Bias", NULL, "Headset Mic"},
+
+ {"MIC3P", NULL, "Mic3 Bias"},
+ {"MIC3N", NULL, "Mic3 Bias"},
+ {"Mic3 Bias", NULL, "Board Mic 3"},
+};
+
+static const struct snd_kcontrol_new pm860x_evb3_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Board Speaker"),
+ SOC_DAPM_PIN_SWITCH("Board Mic 1"),
+ SOC_DAPM_PIN_SWITCH("Board Mic 3"),
+};
+
+static int evb3_i2s_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;
+ int width = snd_pcm_format_physical_width(params_format(params));
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_NET_PLL, 0,
+ PM860X_CLK_DIR_OUT);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 0, PM860X_CLK_DIR_OUT);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 3, 3, 2, width);
+ return ret;
+}
+
+static struct snd_soc_ops evb3_i2s_ops = {
+ .hw_params = evb3_i2s_hw_params,
+};
+
+static struct snd_soc_dai_link evb3_dai[] = {
+ {
+ .name = "88PM860x I2S",
+ .stream_name = "I2S Audio",
+ .cpu_dai_name = "pxa-ssp-dai.1",
+ .codec_dai_name = "88pm860x-i2s",
+ .platform_name = "pxa-pcm-audio",
+ .codec_name = "88pm860x-codec",
+ .init = evb3_pm860x_init,
+ .ops = &evb3_i2s_ops,
+ },
+};
+
+static struct snd_soc_card snd_soc_card_evb3 = {
+ .name = "Tavor EVB3",
+ .dai_link = evb3_dai,
+ .num_links = ARRAY_SIZE(evb3_dai),
+};
+
+static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ int ret;
+
+ ret = snd_soc_add_controls(codec, pm860x_evb3_controls,
+ ARRAY_SIZE(pm860x_evb3_controls));
+ if (ret < 0)
+ return ret;
+
+ snd_soc_dapm_new_controls(codec, evb3_dapm_widgets,
+ ARRAY_SIZE(evb3_dapm_widgets));
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_disable_pin(codec, "Board Speaker");
+ snd_soc_dapm_disable_pin(codec, "Board Mic 1");
+ snd_soc_dapm_disable_pin(codec, "Board Mic 3");
+ snd_soc_dapm_enable_pin(codec, "Headset Mic");
+
+ return snd_soc_dapm_sync(codec);
+}
+
+static int __init tavorevb3_init(void)
+{
+ int ret;
+
+ if (!machine_is_tavorevb3())
+ return -ENODEV;
+ evb3_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!evb3_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(evb3_snd_device, &snd_soc_card_evb3);
+
+ ret = platform_device_add(evb3_snd_device);
+ if (ret)
+ platform_device_put(evb3_snd_device);
+
+ return ret;
+}
+
+static void __exit tavorevb3_exit(void)
+{
+ platform_device_unregister(evb3_snd_device);
+}
+
+module_init(tavorevb3_init);
+module_exit(tavorevb3_exit);
+
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang at marvell.com>");
+MODULE_DESCRIPTION("ALSA SoC 88PM860x Tavor EVB3");
+MODULE_LICENSE("GPL");
+
--
1.5.6.5
--0016367fb40d98bb3a048e002bbe
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--0016367fb40d98bb3a048e002bbe--
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