1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Generic AC97 sound support for SH7760
4*4882a593Smuzhiyun //
5*4882a593Smuzhiyun // (c) 2007 Manuel Lauss
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <linux/module.h>
8*4882a593Smuzhiyun #include <linux/moduleparam.h>
9*4882a593Smuzhiyun #include <linux/platform_device.h>
10*4882a593Smuzhiyun #include <sound/core.h>
11*4882a593Smuzhiyun #include <sound/pcm.h>
12*4882a593Smuzhiyun #include <sound/soc.h>
13*4882a593Smuzhiyun #include <asm/io.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define IPSEL 0xFE400034
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(ac97,
18*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("hac-dai.0")), /* HAC0 */
19*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
20*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("sh7760-pcm-audio")));
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun static struct snd_soc_dai_link sh7760_ac97_dai = {
23*4882a593Smuzhiyun .name = "AC97",
24*4882a593Smuzhiyun .stream_name = "AC97 HiFi",
25*4882a593Smuzhiyun SND_SOC_DAILINK_REG(ac97),
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun static struct snd_soc_card sh7760_ac97_soc_machine = {
29*4882a593Smuzhiyun .name = "SH7760 AC97",
30*4882a593Smuzhiyun .owner = THIS_MODULE,
31*4882a593Smuzhiyun .dai_link = &sh7760_ac97_dai,
32*4882a593Smuzhiyun .num_links = 1,
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun static struct platform_device *sh7760_ac97_snd_device;
36*4882a593Smuzhiyun
sh7760_ac97_init(void)37*4882a593Smuzhiyun static int __init sh7760_ac97_init(void)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun int ret;
40*4882a593Smuzhiyun unsigned short ipsel;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun /* enable both AC97 controllers in pinmux reg */
43*4882a593Smuzhiyun ipsel = __raw_readw(IPSEL);
44*4882a593Smuzhiyun __raw_writew(ipsel | (3 << 10), IPSEL);
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun ret = -ENOMEM;
47*4882a593Smuzhiyun sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);
48*4882a593Smuzhiyun if (!sh7760_ac97_snd_device)
49*4882a593Smuzhiyun goto out;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun platform_set_drvdata(sh7760_ac97_snd_device,
52*4882a593Smuzhiyun &sh7760_ac97_soc_machine);
53*4882a593Smuzhiyun ret = platform_device_add(sh7760_ac97_snd_device);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun if (ret)
56*4882a593Smuzhiyun platform_device_put(sh7760_ac97_snd_device);
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun out:
59*4882a593Smuzhiyun return ret;
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
sh7760_ac97_exit(void)62*4882a593Smuzhiyun static void __exit sh7760_ac97_exit(void)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun platform_device_unregister(sh7760_ac97_snd_device);
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun module_init(sh7760_ac97_init);
68*4882a593Smuzhiyun module_exit(sh7760_ac97_exit);
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
71*4882a593Smuzhiyun MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
72*4882a593Smuzhiyun MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");
73