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
  21static struct snd_soc_dai_link simone_dai = {
  22        .name           = "AC97",
  23        .stream_name    = "AC97 HiFi",
  24        .cpu_dai_name   = "ep93xx-ac97",
  25        .codec_dai_name = "ac97-hifi",
  26        .codec_name     = "ac97-codec",
  27        .platform_name  = "ep93xx-ac97",
  28};
  29
  30static struct snd_soc_card snd_soc_simone = {
  31        .name           = "Sim.One",
  32        .owner          = THIS_MODULE,
  33        .dai_link       = &simone_dai,
  34        .num_links      = 1,
  35};
  36
  37static struct platform_device *simone_snd_ac97_device;
  38
  39static int simone_probe(struct platform_device *pdev)
  40{
  41        struct snd_soc_card *card = &snd_soc_simone;
  42        int ret;
  43
  44        simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
  45                                                                 -1, NULL, 0);
  46        if (IS_ERR(simone_snd_ac97_device))
  47                return PTR_ERR(simone_snd_ac97_device);
  48
  49        card->dev = &pdev->dev;
  50
  51        ret = snd_soc_register_card(card);
  52        if (ret) {
  53                dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
  54                        ret);
  55                platform_device_unregister(simone_snd_ac97_device);
  56        }
  57
  58        return ret;
  59}
  60
  61static int simone_remove(struct platform_device *pdev)
  62{
  63        struct snd_soc_card *card = platform_get_drvdata(pdev);
  64
  65        snd_soc_unregister_card(card);
  66        platform_device_unregister(simone_snd_ac97_device);
  67
  68        return 0;
  69}
  70
  71static struct platform_driver simone_driver = {
  72        .driver         = {
  73                .name   = "simone-audio",
  74        },
  75        .probe          = simone_probe,
  76        .remove         = simone_remove,
  77};
  78
  79module_platform_driver(simone_driver);
  80
  81MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
  82MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
  83MODULE_LICENSE("GPL");
  84MODULE_ALIAS("platform:simone-audio");
  85