104433977SKuninori Morimoto // SPDX-License-Identifier: GPL-2.0
204433977SKuninori Morimoto //
304433977SKuninori Morimoto // Generic AC97 sound support for SH7760
404433977SKuninori Morimoto //
504433977SKuninori Morimoto // (c) 2007 Manuel Lauss
6aef3b06aSManuel Lauss
7aef3b06aSManuel Lauss #include <linux/module.h>
8aef3b06aSManuel Lauss #include <linux/moduleparam.h>
9aef3b06aSManuel Lauss #include <linux/platform_device.h>
10aef3b06aSManuel Lauss #include <sound/core.h>
11aef3b06aSManuel Lauss #include <sound/pcm.h>
12aef3b06aSManuel Lauss #include <sound/soc.h>
13aef3b06aSManuel Lauss #include <asm/io.h>
14aef3b06aSManuel Lauss
15aef3b06aSManuel Lauss #define IPSEL 0xFE400034
16aef3b06aSManuel Lauss
17f9aaa192SKuninori Morimoto SND_SOC_DAILINK_DEFS(ac97,
18f9aaa192SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("hac-dai.0")), /* HAC0 */
19f9aaa192SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
20f9aaa192SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_PLATFORM("sh7760-pcm-audio")));
21f9aaa192SKuninori Morimoto
22aef3b06aSManuel Lauss static struct snd_soc_dai_link sh7760_ac97_dai = {
23aef3b06aSManuel Lauss .name = "AC97",
24aef3b06aSManuel Lauss .stream_name = "AC97 HiFi",
25f9aaa192SKuninori Morimoto SND_SOC_DAILINK_REG(ac97),
26aef3b06aSManuel Lauss };
27aef3b06aSManuel Lauss
2887506549SMark Brown static struct snd_soc_card sh7760_ac97_soc_machine = {
29aef3b06aSManuel Lauss .name = "SH7760 AC97",
304a7042e5SAxel Lin .owner = THIS_MODULE,
31aef3b06aSManuel Lauss .dai_link = &sh7760_ac97_dai,
32aef3b06aSManuel Lauss .num_links = 1,
33aef3b06aSManuel Lauss };
34aef3b06aSManuel Lauss
35aef3b06aSManuel Lauss static struct platform_device *sh7760_ac97_snd_device;
36aef3b06aSManuel Lauss
sh7760_ac97_init(void)37aef3b06aSManuel Lauss static int __init sh7760_ac97_init(void)
38aef3b06aSManuel Lauss {
39aef3b06aSManuel Lauss int ret;
40aef3b06aSManuel Lauss unsigned short ipsel;
41aef3b06aSManuel Lauss
42aef3b06aSManuel Lauss /* enable both AC97 controllers in pinmux reg */
4348ccb2ceSPaul Mundt ipsel = __raw_readw(IPSEL);
4448ccb2ceSPaul Mundt __raw_writew(ipsel | (3 << 10), IPSEL);
45aef3b06aSManuel Lauss
46aef3b06aSManuel Lauss ret = -ENOMEM;
47aef3b06aSManuel Lauss sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);
48aef3b06aSManuel Lauss if (!sh7760_ac97_snd_device)
49aef3b06aSManuel Lauss goto out;
50aef3b06aSManuel Lauss
51aef3b06aSManuel Lauss platform_set_drvdata(sh7760_ac97_snd_device,
52f0fba2adSLiam Girdwood &sh7760_ac97_soc_machine);
53aef3b06aSManuel Lauss ret = platform_device_add(sh7760_ac97_snd_device);
54aef3b06aSManuel Lauss
55aef3b06aSManuel Lauss if (ret)
56aef3b06aSManuel Lauss platform_device_put(sh7760_ac97_snd_device);
57aef3b06aSManuel Lauss
58aef3b06aSManuel Lauss out:
59aef3b06aSManuel Lauss return ret;
60aef3b06aSManuel Lauss }
61aef3b06aSManuel Lauss
sh7760_ac97_exit(void)62aef3b06aSManuel Lauss static void __exit sh7760_ac97_exit(void)
63aef3b06aSManuel Lauss {
64aef3b06aSManuel Lauss platform_device_unregister(sh7760_ac97_snd_device);
65aef3b06aSManuel Lauss }
66aef3b06aSManuel Lauss
67aef3b06aSManuel Lauss module_init(sh7760_ac97_init);
68aef3b06aSManuel Lauss module_exit(sh7760_ac97_exit);
69aef3b06aSManuel Lauss
7004433977SKuninori Morimoto MODULE_LICENSE("GPL v2");
71aef3b06aSManuel Lauss MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
72aef3b06aSManuel Lauss MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");
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