2 * Copyright (C) ST-Ericsson SA 2012
4 * Author: Ola Lilja (ola.o.lilja@stericsson.com)
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as published
11 * by the Free Software Foundation.
14 #include <asm/mach-types.h>
16 #include <linux/module.h>
18 #include <linux/spi/spi.h>
21 #include <sound/soc.h>
22 #include <sound/initval.h>
24 #include "ux500_pcm.h"
25 #include "ux500_msp_dai.h"
27 #include <mop500_ab8500.h>
29 /* Define the whole MOP500 soundcard, linking platform to the codec-drivers */
30 struct snd_soc_dai_link mop500_dai_links[] = {
33 .stream_name = "ab8500_0",
34 .cpu_dai_name = "ux500-msp-i2s.1",
35 .codec_dai_name = "ab8500-codec-dai.0",
36 .platform_name = "ux500-pcm.0",
37 .codec_name = "ab8500-codec.0",
38 .init = mop500_ab8500_machine_init,
39 .ops = mop500_ab8500_ops,
43 .stream_name = "ab8500_1",
44 .cpu_dai_name = "ux500-msp-i2s.3",
45 .codec_dai_name = "ab8500-codec-dai.1",
46 .platform_name = "ux500-pcm.0",
47 .codec_name = "ab8500-codec.0",
49 .ops = mop500_ab8500_ops,
53 static struct snd_soc_card mop500_card = {
54 .name = "MOP500-card",
56 .dai_link = mop500_dai_links,
57 .num_links = ARRAY_SIZE(mop500_dai_links),
60 static int __devinit mop500_of_probe(struct platform_device *pdev,
61 struct device_node *np)
63 struct device_node *codec_np, *msp_np[2];
66 msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0);
67 msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1);
68 codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0);
70 if (!(msp_np[0] && msp_np[1] && codec_np)) {
71 dev_err(&pdev->dev, "Phandle missing or invalid\n");
75 for (i = 0; i < 2; i++) {
76 mop500_dai_links[i].cpu_of_node = msp_np[i];
77 mop500_dai_links[i].cpu_dai_name = NULL;
78 mop500_dai_links[i].codec_of_node = codec_np;
79 mop500_dai_links[i].codec_name = NULL;
82 snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name");
86 static int __devinit mop500_probe(struct platform_device *pdev)
88 struct device_node *np = pdev->dev.of_node;
91 dev_dbg(&pdev->dev, "%s: Enter.\n", __func__);
93 mop500_card.dev = &pdev->dev;
96 ret = mop500_of_probe(pdev, np);
101 dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n",
102 __func__, mop500_card.name);
103 platform_set_drvdata(pdev, &mop500_card);
105 snd_soc_card_set_drvdata(&mop500_card, NULL);
107 dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n",
108 __func__, mop500_card.name, mop500_card.num_links);
109 dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n",
110 __func__, mop500_card.name, mop500_card.dai_link[0].name);
111 dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n",
112 __func__, mop500_card.name,
113 mop500_card.dai_link[0].stream_name);
115 ret = snd_soc_register_card(&mop500_card);
118 "Error: snd_soc_register_card failed (%d)!\n", ret);
123 static int __devexit mop500_remove(struct platform_device *pdev)
125 struct snd_soc_card *mop500_card = platform_get_drvdata(pdev);
127 pr_debug("%s: Enter.\n", __func__);
129 snd_soc_unregister_card(mop500_card);
130 mop500_ab8500_remove(mop500_card);
135 static const struct of_device_id snd_soc_mop500_match[] = {
136 { .compatible = "stericsson,snd-soc-mop500", },
140 static struct platform_driver snd_soc_mop500_driver = {
142 .owner = THIS_MODULE,
143 .name = "snd-soc-mop500",
144 .of_match_table = snd_soc_mop500_match,
146 .probe = mop500_probe,
147 .remove = __devexit_p(mop500_remove),
150 module_platform_driver(snd_soc_mop500_driver);