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11#include <asm/mach-types.h>
12
13#include <linux/module.h>
14#include <linux/io.h>
15#include <linux/spi/spi.h>
16#include <linux/of.h>
17
18#include <sound/soc.h>
19#include <sound/initval.h>
20
21#include "ux500_pcm.h"
22#include "ux500_msp_dai.h"
23
24#include "mop500_ab8500.h"
25
26
27SND_SOC_DAILINK_DEFS(link1,
28 DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.1")),
29 DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.0")),
30 DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.1")));
31
32SND_SOC_DAILINK_DEFS(link2,
33 DAILINK_COMP_ARRAY(COMP_CPU("ux500-msp-i2s.3")),
34 DAILINK_COMP_ARRAY(COMP_CODEC("ab8500-codec.0", "ab8500-codec-dai.1")),
35 DAILINK_COMP_ARRAY(COMP_PLATFORM("ux500-msp-i2s.3")));
36
37static struct snd_soc_dai_link mop500_dai_links[] = {
38 {
39 .name = "ab8500_0",
40 .stream_name = "ab8500_0",
41 .init = mop500_ab8500_machine_init,
42 .ops = mop500_ab8500_ops,
43 SND_SOC_DAILINK_REG(link1),
44 },
45 {
46 .name = "ab8500_1",
47 .stream_name = "ab8500_1",
48 .init = NULL,
49 .ops = mop500_ab8500_ops,
50 SND_SOC_DAILINK_REG(link2),
51 },
52};
53
54static struct snd_soc_card mop500_card = {
55 .name = "MOP500-card",
56 .owner = THIS_MODULE,
57 .probe = NULL,
58 .dai_link = mop500_dai_links,
59 .num_links = ARRAY_SIZE(mop500_dai_links),
60};
61
62static void mop500_of_node_put(void)
63{
64 int i;
65
66 for (i = 0; i < 2; i++)
67 of_node_put(mop500_dai_links[i].cpus->of_node);
68
69
70 of_node_put(mop500_dai_links[0].codecs->of_node);
71}
72
73static int mop500_of_probe(struct platform_device *pdev,
74 struct device_node *np)
75{
76 struct device_node *codec_np, *msp_np[2];
77 int i;
78
79 msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0);
80 msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1);
81 codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0);
82
83 if (!(msp_np[0] && msp_np[1] && codec_np)) {
84 dev_err(&pdev->dev, "Phandle missing or invalid\n");
85 for (i = 0; i < 2; i++)
86 of_node_put(msp_np[i]);
87 of_node_put(codec_np);
88 return -EINVAL;
89 }
90
91 for (i = 0; i < 2; i++) {
92 mop500_dai_links[i].cpus->of_node = msp_np[i];
93 mop500_dai_links[i].cpus->dai_name = NULL;
94 mop500_dai_links[i].platforms->of_node = msp_np[i];
95 mop500_dai_links[i].platforms->name = NULL;
96 mop500_dai_links[i].codecs->of_node = codec_np;
97 mop500_dai_links[i].codecs->name = NULL;
98 }
99
100 snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name");
101
102 return 0;
103}
104
105static int mop500_probe(struct platform_device *pdev)
106{
107 struct device_node *np = pdev->dev.of_node;
108 int ret;
109
110 dev_dbg(&pdev->dev, "%s: Enter.\n", __func__);
111
112 mop500_card.dev = &pdev->dev;
113
114 if (np) {
115 ret = mop500_of_probe(pdev, np);
116 if (ret)
117 return ret;
118 }
119
120 dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n",
121 __func__, mop500_card.name);
122
123 snd_soc_card_set_drvdata(&mop500_card, NULL);
124
125 dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n",
126 __func__, mop500_card.name, mop500_card.num_links);
127 dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n",
128 __func__, mop500_card.name, mop500_card.dai_link[0].name);
129 dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n",
130 __func__, mop500_card.name,
131 mop500_card.dai_link[0].stream_name);
132
133 ret = snd_soc_register_card(&mop500_card);
134 if (ret)
135 dev_err(&pdev->dev,
136 "Error: snd_soc_register_card failed (%d)!\n", ret);
137
138 return ret;
139}
140
141static int mop500_remove(struct platform_device *pdev)
142{
143 struct snd_soc_card *card = platform_get_drvdata(pdev);
144
145 pr_debug("%s: Enter.\n", __func__);
146
147 snd_soc_unregister_card(card);
148 mop500_ab8500_remove(card);
149 mop500_of_node_put();
150
151 return 0;
152}
153
154static const struct of_device_id snd_soc_mop500_match[] = {
155 { .compatible = "stericsson,snd-soc-mop500", },
156 {},
157};
158MODULE_DEVICE_TABLE(of, snd_soc_mop500_match);
159
160static struct platform_driver snd_soc_mop500_driver = {
161 .driver = {
162 .name = "snd-soc-mop500",
163 .of_match_table = snd_soc_mop500_match,
164 },
165 .probe = mop500_probe,
166 .remove = mop500_remove,
167};
168
169module_platform_driver(snd_soc_mop500_driver);
170
171MODULE_LICENSE("GPL v2");
172MODULE_DESCRIPTION("ASoC MOP500 board driver");
173MODULE_AUTHOR("Ola Lilja");
174
