ASoC: ep93xx: add Simplemachines Sim.One AC97 audio support

Add AC97 audio support for Simplemachines Sim.One board.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

4 files changed, 101 insertions, 0 deletions

diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c
index 5dded5884133..f5f81f9719bd 100644
--- a/arch/arm/mach-ep93xx/simone.c
+++ b/arch/arm/mach-ep93xx/simone.c
@@ -61,6 +61,7 @@ static void __init simone_init_machine(void)
         ep93xx_register_fb(&simone_fb_info);
         ep93xx_register_i2c(&simone_i2c_gpio_data, simone_i2c_board_info,
                             ARRAY_SIZE(simone_i2c_board_info));
+        ep93xx_register_ac97();
 }
 
 MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
diff --git a/sound/soc/ep93xx/Kconfig b/sound/soc/ep93xx/Kconfig
index 108e5ff3ffc2..57429041189c 100644
--- a/sound/soc/ep93xx/Kconfig
+++ b/sound/soc/ep93xx/Kconfig
@@ -21,3 +21,12 @@ config SND_EP93XX_SOC_SNAPPERCL15
         help
           Say Y or M here if you want to add support for I2S audio on the
           Bluewater Systems Snapper CL15 module.
+
+config SND_EP93XX_SOC_SIMONE
+        tristate "SoC Audio support for Simplemachines Sim.One board"
+        depends on SND_EP93XX_SOC && MACH_SIM_ONE
+        select SND_EP93XX_SOC_AC97
+        select SND_SOC_AC97_CODEC
+        help
+          Say Y or M here if you want to add support for AC97 audio on the
+          Simplemachines Sim.One board.
diff --git a/sound/soc/ep93xx/Makefile b/sound/soc/ep93xx/Makefile
index ac06e0092f95..8e7977fb6b7d 100644
--- a/sound/soc/ep93xx/Makefile
+++ b/sound/soc/ep93xx/Makefile
@@ -9,5 +9,7 @@ obj-$(CONFIG_SND_EP93XX_SOC_AC97)		+= snd-soc-ep93xx-ac97.o
 
 # EP93XX Machine Support
 snd-soc-snappercl15-objs                        := snappercl15.o
+snd-soc-simone-objs                             := simone.o
 
 obj-$(CONFIG_SND_EP93XX_SOC_SNAPPERCL15)        += snd-soc-snappercl15.o
+obj-$(CONFIG_SND_EP93XX_SOC_SIMONE)             += snd-soc-simone.o
diff --git a/sound/soc/ep93xx/simone.c b/sound/soc/ep93xx/simone.c
new file mode 100644
index 000000000000..4b0d19913728
--- /dev/null
+++ b/sound/soc/ep93xx/simone.c
@@ -0,0 +1,89 @@
+/*
+ * simone.c -- ASoC audio for Simplemachines Sim.One board
+ *
+ * Copyright (c) 2010 Mika Westerberg
+ *
+ * Based on snappercl15 machine driver by Ryan Mallon.
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include "ep93xx-pcm.h"
+
+static struct snd_soc_dai_link simone_dai = {
+        .name           = "AC97",
+        .stream_name    = "AC97 HiFi",
+        .cpu_dai_name   = "ep93xx-ac97",
+        .codec_dai_name = "ac97-hifi",
+        .codec_name     = "ac97-codec",
+        .platform_name  = "ep93xx-pcm-audio",
+};
+
+static struct snd_soc_card snd_soc_simone = {
+        .name           = "Sim.One",
+        .dai_link       = &simone_dai,
+        .num_links      = 1,
+};
+
+static struct platform_device *simone_snd_ac97_device;
+static struct platform_device *simone_snd_device;
+
+static int __init simone_init(void)
+{
+        int ret;
+
+        if (!machine_is_sim_one())
+                return -ENODEV;
+
+        simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1);
+        if (!simone_snd_ac97_device)
+                return -ENOMEM;
+
+        ret = platform_device_add(simone_snd_ac97_device);
+        if (ret)
+                goto fail;
+
+        simone_snd_device = platform_device_alloc("soc-audio", -1);
+        if (!simone_snd_device) {
+                ret = -ENOMEM;
+                goto fail;
+        }
+
+        platform_set_drvdata(simone_snd_device, &snd_soc_simone);
+        ret = platform_device_add(simone_snd_device);
+        if (ret) {
+                platform_device_put(simone_snd_device);
+                goto fail;
+        }
+
+        return ret;
+
+fail:
+        platform_device_put(simone_snd_ac97_device);
+        return ret;
+}
+module_init(simone_init);
+
+static void __exit simone_exit(void)
+{
+        platform_device_unregister(simone_snd_device);
+        platform_device_unregister(simone_snd_ac97_device);
+}
+module_exit(simone_exit);
+
+MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
+MODULE_LICENSE("GPL");