Hi Marc et all,
The following patch adds support for Phytec i.MX boards in AC97
mode. With this patch only some board glue code is missing to
enable sound for the first i.MX boards. I'll push the board code
through my i.MX tree. Please consider including this patch for -next.
Sascha
>From 264b0916b712d6cbbcbd2f7b208b1c84b40a3f54 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Date: Wed, 25 Nov 2009 16:18:28 +0100
Subject: [PATCH 1/6] ASoC: add phycore-ac97 sound support
This patch adds sound support for Phytec PhyCORE / PhyCARD
modules in AC97 mode.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
sound/soc/imx/Kconfig | 11 +++++-
sound/soc/imx/Makefile | 2 +
sound/soc/imx/phycore-ac97.c | 90 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 102 insertions(+), 1 deletions(-)
create mode 100644 sound/soc/imx/phycore-ac97.c
diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig
index 5f006f0..e687d53 100644
--- a/sound/soc/imx/Kconfig
+++ b/sound/soc/imx/Kconfig
@@ -1,6 +1,6 @@
config SND_IMX_SOC
tristate "SoC Audio for Freecale i.MX CPUs"
- depends on ARCH_MXC && BROKEN
+ depends on ARCH_MXC
select SND_PCM
select FIQ
select SND_SOC_AC97_BUS
@@ -11,3 +11,12 @@ config SND_IMX_SOC
config SND_MXC_SOC_SSI
tristate
+config SND_SOC_PHYCORE_AC97
+ tristate "SoC Audio support for Phytec phyCORE (and phyCARD) boards"
+ depends on MACH_PCM043 || MACH_PCA100
+ select SND_IMX_SOC
+ select SND_SOC_WM9712
+ help
+ Say Y if you want to add support for SoC audio on Phytec phyCORE
+ and phyCARD boards in AC97 mode
+
diff --git a/sound/soc/imx/Makefile b/sound/soc/imx/Makefile
index d05cc95..9f8bb92 100644
--- a/sound/soc/imx/Makefile
+++ b/sound/soc/imx/Makefile
@@ -8,3 +8,5 @@ endif
obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o
# i.MX Machine Support
+snd-soc-phycore-ac97-objs := phycore-ac97.o
+obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c
new file mode 100644
index 0000000..a8307d5
--- /dev/null
+++ b/sound/soc/imx/phycore-ac97.c
@@ -0,0 +1,90 @@
+/*
+ * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode
+ *
+ * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@xxxxxxxxxxxxxx>
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <asm/mach-types.h>
+
+#include "../codecs/wm9712.h"
+#include "imx-ssi.h"
+
+static struct snd_soc_card imx_phycore;
+
+static struct snd_soc_ops imx_phycore_hifi_ops = {
+};
+
+static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
+ {
+ .name = "HiFi",
+ .stream_name = "HiFi",
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
+ .ops = &imx_phycore_hifi_ops,
+ },
+};
+
+static struct snd_soc_card imx_phycore = {
+ .name = "PhyCORE-audio",
+ .platform = &imx_soc_platform,
+ .dai_link = imx_phycore_dai_ac97,
+ .num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
+};
+
+static struct snd_soc_device imx_phycore_snd_devdata = {
+ .card = &imx_phycore,
+ .codec_dev = &soc_codec_dev_wm9712,
+};
+
+static struct platform_device *imx_phycore_snd_device;
+
+static int __init imx_phycore_init(void)
+{
+ int ret;
+
+ if (!machine_is_pcm043() && !machine_is_pca100())
+ /* return happy. We might run on a totally different machine */
+ return 0;
+
+ imx_phycore_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!imx_phycore_snd_device)
+ return -ENOMEM;
+
+ imx_phycore_dai_ac97[0].cpu_dai = &imx_ssi_pcm_dai[0];
+
+ platform_set_drvdata(imx_phycore_snd_device, &imx_phycore_snd_devdata);
+ imx_phycore_snd_devdata.dev = &imx_phycore_snd_device->dev;
+ ret = platform_device_add(imx_phycore_snd_device);
+
+ if (ret) {
+ printk(KERN_ERR "ASoC: Platform device allocation failed\n");
+ platform_device_put(imx_phycore_snd_device);
+ }
+
+ return ret;
+}
+
+static void __exit imx_phycore_exit(void)
+{
+ platform_device_unregister(imx_phycore_snd_device);
+}
+
+late_initcall(imx_phycore_init);
+module_exit(imx_phycore_exit);
+
+MODULE_AUTHOR("Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
+MODULE_LICENSE("GPL");
--
1.6.6
--
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