ASoC: add imx-mc13783 sound support
Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/fsl/imx-mc13783.c b/sound/soc/fsl/imx-mc13783.c
new file mode 100644
index 0000000..a7b7170
--- /dev/null
+++ b/sound/soc/fsl/imx-mc13783.c
@@ -0,0 +1,163 @@
+/*
+ * imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
+ *
+ * Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
+ *
+ * Heavly based on phycore-mc13783:
+ * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
+ *
+ * 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 <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <asm/mach-types.h>
+
+#include "../codecs/mc13783.h"
+#include "imx-ssi.h"
+#include "imx-audmux.h"
+
+#define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_CBM_CFM)
+
+static int imx_mc13783_hifi_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 *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_fmt(codec_dai, FMT_SSI);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, FMT_SSI);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xfffffffc, 0xfffffffc,
+ 4, 16);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x0, 0xfffffffc, 2, 16);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops imx_mc13783_hifi_ops = {
+ .hw_params = imx_mc13783_hifi_hw_params,
+};
+
+static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
+ {
+ .name = "MC13783",
+ .stream_name = "Sound",
+ .codec_dai_name = "mc13783-hifi",
+ .codec_name = "mc13783-codec",
+ .cpu_dai_name = "imx-ssi.0",
+ .platform_name = "imx-pcm-audio.0",
+ .ops = &imx_mc13783_hifi_ops,
+ .symmetric_rates = 1,
+ },
+};
+
+static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
+ SND_SOC_DAPM_MIC("Mic", NULL),
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
+ {"Speaker", NULL, "LSP"},
+ {"Headphone", NULL, "HSL"},
+ {"Headphone", NULL, "HSR"},
+
+ {"MC1LIN", NULL, "MC1 Bias"},
+ {"MC2IN", NULL, "MC2 Bias"},
+ {"MC1 Bias", NULL, "Mic"},
+ {"MC2 Bias", NULL, "Mic"},
+};
+
+static struct snd_soc_card imx_mc13783 = {
+ .name = "imx_mc13783",
+ .dai_link = imx_mc13783_dai_mc13783,
+ .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
+ .dapm_widgets = imx_mc13783_widget,
+ .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
+ .dapm_routes = imx_mc13783_routes,
+ .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
+};
+
+static int __devinit imx_mc13783_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ imx_mc13783.dev = &pdev->dev;
+
+ ret = snd_soc_register_card(&imx_mc13783);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+ ret);
+ return ret;
+ }
+
+ imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
+ IMX_AUDMUX_V2_PTCR_SYN,
+ IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
+ IMX_AUDMUX_V2_PDCR_MODE(1) |
+ IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
+ imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
+ IMX_AUDMUX_V2_PTCR_SYN |
+ IMX_AUDMUX_V2_PTCR_TFSDIR |
+ IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
+ IMX_AUDMUX_V2_PTCR_TCLKDIR |
+ IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
+ IMX_AUDMUX_V2_PTCR_RFSDIR |
+ IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
+ IMX_AUDMUX_V2_PTCR_RCLKDIR |
+ IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
+ IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
+
+ return ret;
+}
+
+static int __devexit imx_mc13783_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_card(&imx_mc13783);
+
+ return 0;
+}
+
+static struct platform_driver imx_mc13783_audio_driver = {
+ .driver = {
+ .name = "imx_mc13783",
+ .owner = THIS_MODULE,
+ },
+ .probe = imx_mc13783_probe,
+ .remove = __devexit_p(imx_mc13783_remove)
+};
+
+module_platform_driver(imx_mc13783_audio_driver);
+
+MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
+MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
+MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:imx_mc13783");