Signed-off-by: Philippe Rétornaz philippe.retornaz@epfl.ch --- sound/soc/fsl/Kconfig | 8 ++ sound/soc/fsl/Makefile | 2 + sound/soc/fsl/imx-mc13783.c | 163 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 173 insertions(+), 0 deletions(-) create mode 100644 sound/soc/fsl/imx-mc13783.c
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 0094789..3f2dd3a 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -171,4 +171,12 @@ config SND_SOC_IMX_SGTL5000 Say Y if you want to add support for SoC audio on an i.MX board with a sgtl5000 codec.
+config SND_SOC_IMX_MC13783 + tristate "SoC Audio support for I.MX boards with mc13783" + depends on MFD_MC13783 + select SND_SOC_IMX_SSI + select SND_SOC_IMX_AUDMUX + select SND_SOC_MC13783 + select SND_SOC_IMX_PCM_DMA + endif # SND_IMX_SOC diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 638d385..5f3cf3f 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -41,9 +41,11 @@ snd-soc-phycore-ac97-objs := phycore-ac97.o snd-soc-mx27vis-aic32x4-objs := mx27vis-aic32x4.o snd-soc-wm1133-ev1-objs := wm1133-ev1.o snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o +snd-soc-imx-mc13783-objs := imx-mc13783.o
obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o obj-$(CONFIG_SND_SOC_MX27VIS_AIC32X4) += snd-soc-mx27vis-aic32x4.o obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o +obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o 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");