169 lines
4.8 KiB
C
169 lines
4.8 KiB
C
/*
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* imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
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*
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* Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
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*
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* Heavly based on phycore-mc13783:
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* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <asm/mach-types.h>
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#include "../codecs/mc13783.h"
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#include "imx-ssi.h"
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#include "imx-audmux.h"
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#define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
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SND_SOC_DAIFMT_CBM_CFM)
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static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int ret;
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ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 4, 16);
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if (ret)
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return ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
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if (ret)
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return ret;
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return snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 16);
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}
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static const struct snd_soc_ops imx_mc13783_hifi_ops = {
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.hw_params = imx_mc13783_hifi_hw_params,
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};
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static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
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{
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.name = "MC13783",
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.stream_name = "Sound",
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.codec_dai_name = "mc13783-hifi",
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.codec_name = "mc13783-codec",
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.cpu_dai_name = "imx-ssi.0",
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.platform_name = "imx-ssi.0",
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.ops = &imx_mc13783_hifi_ops,
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.symmetric_rates = 1,
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.dai_fmt = FMT_SSI,
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},
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};
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static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
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SND_SOC_DAPM_MIC("Mic", NULL),
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SND_SOC_DAPM_HP("Headphone", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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};
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static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
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{"Speaker", NULL, "LSP"},
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{"Headphone", NULL, "HSL"},
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{"Headphone", NULL, "HSR"},
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{"MC1LIN", NULL, "MC1 Bias"},
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{"MC2IN", NULL, "MC2 Bias"},
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{"MC1 Bias", NULL, "Mic"},
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{"MC2 Bias", NULL, "Mic"},
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};
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static struct snd_soc_card imx_mc13783 = {
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.name = "imx_mc13783",
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.owner = THIS_MODULE,
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.dai_link = imx_mc13783_dai_mc13783,
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.num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
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.dapm_widgets = imx_mc13783_widget,
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.num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
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.dapm_routes = imx_mc13783_routes,
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.num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
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};
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static int imx_mc13783_probe(struct platform_device *pdev)
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{
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int ret;
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imx_mc13783.dev = &pdev->dev;
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ret = snd_soc_register_card(&imx_mc13783);
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if (ret) {
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dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
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ret);
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return ret;
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}
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if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
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imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
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IMX_AUDMUX_V2_PTCR_SYN,
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IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
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IMX_AUDMUX_V2_PDCR_MODE(1) |
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IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
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imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
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IMX_AUDMUX_V2_PTCR_SYN |
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IMX_AUDMUX_V2_PTCR_TFSDIR |
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IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
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IMX_AUDMUX_V2_PTCR_TCLKDIR |
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IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
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IMX_AUDMUX_V2_PTCR_RFSDIR |
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IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
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IMX_AUDMUX_V2_PTCR_RCLKDIR |
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IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
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IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
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} else if (machine_is_mx27_3ds()) {
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imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
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IMX_AUDMUX_V1_PCR_SYN |
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IMX_AUDMUX_V1_PCR_TFSDIR |
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IMX_AUDMUX_V1_PCR_TCLKDIR |
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IMX_AUDMUX_V1_PCR_RFSDIR |
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IMX_AUDMUX_V1_PCR_RCLKDIR |
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IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
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IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
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IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
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);
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imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
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IMX_AUDMUX_V1_PCR_SYN |
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IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
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);
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}
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return ret;
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}
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static int imx_mc13783_remove(struct platform_device *pdev)
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{
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snd_soc_unregister_card(&imx_mc13783);
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return 0;
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}
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static struct platform_driver imx_mc13783_audio_driver = {
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.driver = {
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.name = "imx_mc13783",
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},
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.probe = imx_mc13783_probe,
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.remove = imx_mc13783_remove
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};
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module_platform_driver(imx_mc13783_audio_driver);
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MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
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MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
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MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:imx_mc13783");
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