LXR linux/sound/soc/cirrus/simone.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * simone.c -- ASoC audio for Simplemachines Sim.One board
   4 *
   5 * Copyright (c) 2010 Mika Westerberg
   6 *
   7 * Based on snappercl15 machine driver by Ryan Mallon.
   8 */
   9
  10#include <linux/init.h>
  11#include <linux/module.h>
  12#include <linux/platform_device.h>
  13#include <linux/soc/cirrus/ep93xx.h>
  14
  15#include <sound/core.h>
  16#include <sound/pcm.h>
  17#include <sound/soc.h>
  18
  19#include <asm/mach-types.h>
  20
  21SND_SOC_DAILINK_DEFS(hifi,
  22        DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-ac97")),
  23        DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
  24        DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-ac97")));
  25
  26static struct snd_soc_dai_link simone_dai = {
  27        .name           = "AC97",
  28        .stream_name    = "AC97 HiFi",
  29        SND_SOC_DAILINK_REG(hifi),
  30};
  31
  32static struct snd_soc_card snd_soc_simone = {
  33        .name           = "Sim.One",
  34        .owner          = THIS_MODULE,
  35        .dai_link       = &simone_dai,
  36        .num_links      = 1,
  37};
  38
  39static struct platform_device *simone_snd_ac97_device;
  40
  41static int simone_probe(struct platform_device *pdev)
  42{
  43        struct snd_soc_card *card = &snd_soc_simone;
  44        int ret;
  45
  46        simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
  47                                                                 -1, NULL, 0);
  48        if (IS_ERR(simone_snd_ac97_device))
  49                return PTR_ERR(simone_snd_ac97_device);
  50
  51        card->dev = &pdev->dev;
  52
  53        ret = snd_soc_register_card(card);
  54        if (ret) {
  55                dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
  56                        ret);
  57                platform_device_unregister(simone_snd_ac97_device);
  58        }
  59
  60        return ret;
  61}
  62
  63static int simone_remove(struct platform_device *pdev)
  64{
  65        struct snd_soc_card *card = platform_get_drvdata(pdev);
  66
  67        snd_soc_unregister_card(card);
  68        platform_device_unregister(simone_snd_ac97_device);
  69
  70        return 0;
  71}
  72
  73static struct platform_driver simone_driver = {
  74        .driver         = {
  75                .name   = "simone-audio",
  76        },
  77        .probe          = simone_probe,
  78        .remove         = simone_remove,
  79};
  80
  81module_platform_driver(simone_driver);
  82
  83MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
  84MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
  85MODULE_LICENSE("GPL");
  86MODULE_ALIAS("platform:simone-audio");
  87