1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * simone.c -- ASoC audio for Simplemachines Sim.One board
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2010 Mika Westerberg
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Based on snappercl15 machine driver by Ryan Mallon.
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun #include <linux/module.h>
12*4882a593Smuzhiyun #include <linux/platform_device.h>
13*4882a593Smuzhiyun #include <linux/soc/cirrus/ep93xx.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <sound/core.h>
16*4882a593Smuzhiyun #include <sound/pcm.h>
17*4882a593Smuzhiyun #include <sound/soc.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include <asm/mach-types.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(hifi,
22*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-ac97")),
23*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
24*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-ac97")));
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun static struct snd_soc_dai_link simone_dai = {
27*4882a593Smuzhiyun .name = "AC97",
28*4882a593Smuzhiyun .stream_name = "AC97 HiFi",
29*4882a593Smuzhiyun SND_SOC_DAILINK_REG(hifi),
30*4882a593Smuzhiyun };
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun static struct snd_soc_card snd_soc_simone = {
33*4882a593Smuzhiyun .name = "Sim.One",
34*4882a593Smuzhiyun .owner = THIS_MODULE,
35*4882a593Smuzhiyun .dai_link = &simone_dai,
36*4882a593Smuzhiyun .num_links = 1,
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct platform_device *simone_snd_ac97_device;
40*4882a593Smuzhiyun
simone_probe(struct platform_device * pdev)41*4882a593Smuzhiyun static int simone_probe(struct platform_device *pdev)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun struct snd_soc_card *card = &snd_soc_simone;
44*4882a593Smuzhiyun int ret;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
47*4882a593Smuzhiyun -1, NULL, 0);
48*4882a593Smuzhiyun if (IS_ERR(simone_snd_ac97_device))
49*4882a593Smuzhiyun return PTR_ERR(simone_snd_ac97_device);
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun card->dev = &pdev->dev;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun ret = snd_soc_register_card(card);
54*4882a593Smuzhiyun if (ret) {
55*4882a593Smuzhiyun dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
56*4882a593Smuzhiyun ret);
57*4882a593Smuzhiyun platform_device_unregister(simone_snd_ac97_device);
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun return ret;
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
simone_remove(struct platform_device * pdev)63*4882a593Smuzhiyun static int simone_remove(struct platform_device *pdev)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun struct snd_soc_card *card = platform_get_drvdata(pdev);
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun snd_soc_unregister_card(card);
68*4882a593Smuzhiyun platform_device_unregister(simone_snd_ac97_device);
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun return 0;
71*4882a593Smuzhiyun }
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun static struct platform_driver simone_driver = {
74*4882a593Smuzhiyun .driver = {
75*4882a593Smuzhiyun .name = "simone-audio",
76*4882a593Smuzhiyun },
77*4882a593Smuzhiyun .probe = simone_probe,
78*4882a593Smuzhiyun .remove = simone_remove,
79*4882a593Smuzhiyun };
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun module_platform_driver(simone_driver);
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
84*4882a593Smuzhiyun MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
85*4882a593Smuzhiyun MODULE_LICENSE("GPL");
86*4882a593Smuzhiyun MODULE_ALIAS("platform:simone-audio");
87