1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * SoC audio driver for EM-X270, eXeda and CM-X300
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright 2007, 2009 CompuLab, Ltd.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Author: Mike Rapoport <mike@compulab.co.il>
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Copied from tosa.c:
10*4882a593Smuzhiyun * Copyright 2005 Wolfson Microelectronics PLC.
11*4882a593Smuzhiyun * Copyright 2005 Openedhand Ltd.
12*4882a593Smuzhiyun *
13*4882a593Smuzhiyun * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
14*4882a593Smuzhiyun * Richard Purdie <richard@openedhand.com>
15*4882a593Smuzhiyun */
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #include <linux/module.h>
18*4882a593Smuzhiyun #include <linux/moduleparam.h>
19*4882a593Smuzhiyun #include <linux/device.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #include <sound/core.h>
22*4882a593Smuzhiyun #include <sound/pcm.h>
23*4882a593Smuzhiyun #include <sound/soc.h>
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #include <asm/mach-types.h>
26*4882a593Smuzhiyun #include <mach/audio.h>
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(ac97,
29*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")),
30*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
31*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(ac97_aux,
34*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")),
35*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")),
36*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun static struct snd_soc_dai_link em_x270_dai[] = {
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun .name = "AC97",
41*4882a593Smuzhiyun .stream_name = "AC97 HiFi",
42*4882a593Smuzhiyun SND_SOC_DAILINK_REG(ac97),
43*4882a593Smuzhiyun },
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun .name = "AC97 Aux",
46*4882a593Smuzhiyun .stream_name = "AC97 Aux",
47*4882a593Smuzhiyun SND_SOC_DAILINK_REG(ac97_aux),
48*4882a593Smuzhiyun },
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun static struct snd_soc_card em_x270 = {
52*4882a593Smuzhiyun .name = "EM-X270",
53*4882a593Smuzhiyun .owner = THIS_MODULE,
54*4882a593Smuzhiyun .dai_link = em_x270_dai,
55*4882a593Smuzhiyun .num_links = ARRAY_SIZE(em_x270_dai),
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun static struct platform_device *em_x270_snd_device;
59*4882a593Smuzhiyun
em_x270_init(void)60*4882a593Smuzhiyun static int __init em_x270_init(void)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun int ret;
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun if (!(machine_is_em_x270() || machine_is_exeda()
65*4882a593Smuzhiyun || machine_is_cm_x300()))
66*4882a593Smuzhiyun return -ENODEV;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun em_x270_snd_device = platform_device_alloc("soc-audio", -1);
69*4882a593Smuzhiyun if (!em_x270_snd_device)
70*4882a593Smuzhiyun return -ENOMEM;
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun platform_set_drvdata(em_x270_snd_device, &em_x270);
73*4882a593Smuzhiyun ret = platform_device_add(em_x270_snd_device);
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun if (ret)
76*4882a593Smuzhiyun platform_device_put(em_x270_snd_device);
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun return ret;
79*4882a593Smuzhiyun }
80*4882a593Smuzhiyun
em_x270_exit(void)81*4882a593Smuzhiyun static void __exit em_x270_exit(void)
82*4882a593Smuzhiyun {
83*4882a593Smuzhiyun platform_device_unregister(em_x270_snd_device);
84*4882a593Smuzhiyun }
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun module_init(em_x270_init);
87*4882a593Smuzhiyun module_exit(em_x270_exit);
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun /* Module information */
90*4882a593Smuzhiyun MODULE_AUTHOR("Mike Rapoport");
91*4882a593Smuzhiyun MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300");
92*4882a593Smuzhiyun MODULE_LICENSE("GPL");
93