ASoC: S3C24XX: Support for Simtec Hermes boards

Add support for the tlv320aic3x CODEC on the Simtec Hermes board.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 153 insertions, 0 deletions

diff --git a/sound/soc/s3c24xx/s3c24xx_simtec_hermes.c b/sound/soc/s3c24xx/s3c24xx_simtec_hermes.c
new file mode 100644
index 000000000000..8346bd96eaf5
--- /dev/null
+++ b/sound/soc/s3c24xx/s3c24xx_simtec_hermes.c
@@ -0,0 +1,153 @@
+/* sound/soc/s3c24xx/s3c24xx_simtec_hermes.c
+ *
+ * Copyright 2009 Simtec Electronics
+ *
+ * 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/clk.h>
+#include <linux/platform_device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <plat/audio-simtec.h>
+
+#include "s3c24xx-pcm.h"
+#include "s3c24xx-i2s.h"
+#include "s3c24xx_simtec.h"
+
+#include "../codecs/tlv320aic3x.h"
+
+static const struct snd_soc_dapm_widget dapm_widgets[] = {
+        SND_SOC_DAPM_LINE("GSM Out", NULL),
+        SND_SOC_DAPM_LINE("GSM In", NULL),
+        SND_SOC_DAPM_LINE("Line In", NULL),
+        SND_SOC_DAPM_LINE("Line Out", NULL),
+        SND_SOC_DAPM_LINE("ZV", NULL),
+        SND_SOC_DAPM_MIC("Mic Jack", NULL),
+        SND_SOC_DAPM_HP("Headphone Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route base_map[] = {
+        /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
+
+        { "Headphone Jack", NULL, "HPLOUT" },
+        { "Headphone Jack", NULL, "HPLCOM" },
+        { "Headphone Jack", NULL, "HPROUT" },
+        { "Headphone Jack", NULL, "HPRCOM" },
+
+        /* ZV connected to Line1 */
+
+        { "LINE1L", NULL, "ZV" },
+        { "LINE1R", NULL, "ZV" },
+
+        /* Line In connected to Line2 */
+
+        { "LINE2L", NULL, "Line In" },
+        { "LINE2R", NULL, "Line In" },
+
+        /* Microphone connected to MIC3R and MIC_BIAS */
+
+        { "MIC3L", NULL, "Mic Jack" },
+
+        /* GSM connected to MONO_LOUT and MIC3L (in) */
+
+        { "GSM Out", NULL, "MONO_LOUT" },
+        { "MIC3L", NULL, "GSM In" },
+
+        /* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
+         * not using the DAPM to power it up and down as there it makes
+         * a click when powering up. */
+};
+
+/**
+ * simtec_hermes_init - initialise and add controls
+ * @codec; The codec instance to attach to.
+ *
+ * Attach our controls and configure the necessary codec
+ * mappings for our sound card instance.
+*/
+static int simtec_hermes_init(struct snd_soc_codec *codec)
+{
+        snd_soc_dapm_new_controls(codec, dapm_widgets,
+                                  ARRAY_SIZE(dapm_widgets));
+
+        snd_soc_dapm_add_routes(codec, base_map, ARRAY_SIZE(base_map));
+
+        snd_soc_dapm_enable_pin(codec, "Headphone Jack");
+        snd_soc_dapm_enable_pin(codec, "Line In");
+        snd_soc_dapm_enable_pin(codec, "Line Out");
+        snd_soc_dapm_enable_pin(codec, "Mic Jack");
+
+        simtec_audio_init(codec);
+        snd_soc_dapm_sync(codec);
+
+        return 0;
+}
+
+static struct aic3x_setup_data codec_setup = {
+};
+
+static struct snd_soc_dai_link simtec_dai_aic33 = {
+        .name           = "tlv320aic33",
+        .stream_name    = "TLV320AIC33",
+        .cpu_dai        = &s3c24xx_i2s_dai,
+        .codec_dai      = &aic3x_dai,
+        .init           = simtec_hermes_init,
+};
+
+/* simtec audio machine driver */
+static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
+        .name           = "Simtec-Hermes",
+        .platform       = &s3c24xx_soc_platform,
+        .dai_link       = &simtec_dai_aic33,
+        .num_links      = 1,
+};
+
+/* simtec audio subsystem */
+static struct snd_soc_device simtec_snd_devdata_aic33 = {
+        .card           = &snd_soc_machine_simtec_aic33,
+        .codec_dev      = &soc_codec_dev_aic3x,
+        .codec_data     = &codec_setup,
+};
+
+static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
+{
+        dev_info(&pd->dev, "probing....\n");
+        return simtec_audio_core_probe(pd, &simtec_snd_devdata_aic33);
+}
+
+static struct platform_driver simtec_audio_hermes_platdrv = {
+        .driver = {
+                .owner  = THIS_MODULE,
+                .name   = "s3c24xx-simtec-hermes-snd",
+                .pm     = simtec_audio_pm,
+        },
+        .probe  = simtec_audio_hermes_probe,
+        .remove = __devexit_p(simtec_audio_remove),
+};
+
+MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
+
+static int __init simtec_hermes_modinit(void)
+{
+        return platform_driver_register(&simtec_audio_hermes_platdrv);
+}
+
+static void __exit simtec_hermes_modexit(void)
+{
+        platform_driver_unregister(&simtec_audio_hermes_platdrv);
+}
+
+module_init(simtec_hermes_modinit);
+module_exit(simtec_hermes_modexit);
+
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
+MODULE_LICENSE("GPL");