cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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simone.c (2021B)

      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");