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12#include <linux/platform_device.h>
13#include <sound/sh_fsi.h>
14
15struct fsi_ak4642_data {
16 const char *name;
17 const char *card;
18 const char *cpu_dai;
19 const char *codec;
20 const char *platform;
21 int id;
22};
23
24static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
25{
26 struct snd_soc_dai *codec = rtd->codec_dai;
27 struct snd_soc_dai *cpu = rtd->cpu_dai;
28 int ret;
29
30 ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J |
31 SND_SOC_DAIFMT_CBM_CFM);
32 if (ret < 0)
33 return ret;
34
35 ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0);
36 if (ret < 0)
37 return ret;
38
39 ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J |
40 SND_SOC_DAIFMT_CBS_CFS);
41
42 return ret;
43}
44
45static struct snd_soc_dai_link fsi_dai_link = {
46 .codec_dai_name = "ak4642-hifi",
47 .init = fsi_ak4642_dai_init,
48};
49
50static struct snd_soc_card fsi_soc_card = {
51 .dai_link = &fsi_dai_link,
52 .num_links = 1,
53};
54
55static struct platform_device *fsi_snd_device;
56
57static int fsi_ak4642_probe(struct platform_device *pdev)
58{
59 int ret = -ENOMEM;
60 const struct platform_device_id *id_entry;
61 struct fsi_ak4642_data *pdata;
62
63 id_entry = pdev->id_entry;
64 if (!id_entry) {
65 dev_err(&pdev->dev, "unknown fsi ak4642\n");
66 return -ENODEV;
67 }
68
69 pdata = (struct fsi_ak4642_data *)id_entry->driver_data;
70
71 fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
72 if (!fsi_snd_device)
73 goto out;
74
75 fsi_dai_link.name = pdata->name;
76 fsi_dai_link.stream_name = pdata->name;
77 fsi_dai_link.cpu_dai_name = pdata->cpu_dai;
78 fsi_dai_link.platform_name = pdata->platform;
79 fsi_dai_link.codec_name = pdata->codec;
80 fsi_soc_card.name = pdata->card;
81
82 platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
83 ret = platform_device_add(fsi_snd_device);
84
85 if (ret)
86 platform_device_put(fsi_snd_device);
87
88out:
89 return ret;
90}
91
92static int fsi_ak4642_remove(struct platform_device *pdev)
93{
94 platform_device_unregister(fsi_snd_device);
95 return 0;
96}
97
98static struct fsi_ak4642_data fsi_a_ak4642 = {
99 .name = "AK4642",
100 .card = "FSIA (AK4642)",
101 .cpu_dai = "fsia-dai",
102 .codec = "ak4642-codec.0-0012",
103 .platform = "sh_fsi.0",
104 .id = FSI_PORT_A,
105};
106
107static struct fsi_ak4642_data fsi_b_ak4642 = {
108 .name = "AK4642",
109 .card = "FSIB (AK4642)",
110 .cpu_dai = "fsib-dai",
111 .codec = "ak4642-codec.0-0012",
112 .platform = "sh_fsi.0",
113 .id = FSI_PORT_B,
114};
115
116static struct fsi_ak4642_data fsi_a_ak4643 = {
117 .name = "AK4643",
118 .card = "FSIA (AK4643)",
119 .cpu_dai = "fsia-dai",
120 .codec = "ak4642-codec.0-0013",
121 .platform = "sh_fsi.0",
122 .id = FSI_PORT_A,
123};
124
125static struct fsi_ak4642_data fsi_b_ak4643 = {
126 .name = "AK4643",
127 .card = "FSIB (AK4643)",
128 .cpu_dai = "fsib-dai",
129 .codec = "ak4642-codec.0-0013",
130 .platform = "sh_fsi.0",
131 .id = FSI_PORT_B,
132};
133
134static struct fsi_ak4642_data fsi2_a_ak4642 = {
135 .name = "AK4642",
136 .card = "FSI2A (AK4642)",
137 .cpu_dai = "fsia-dai",
138 .codec = "ak4642-codec.0-0012",
139 .platform = "sh_fsi2",
140 .id = FSI_PORT_A,
141};
142
143static struct fsi_ak4642_data fsi2_b_ak4642 = {
144 .name = "AK4642",
145 .card = "FSI2B (AK4642)",
146 .cpu_dai = "fsib-dai",
147 .codec = "ak4642-codec.0-0012",
148 .platform = "sh_fsi2",
149 .id = FSI_PORT_B,
150};
151
152static struct fsi_ak4642_data fsi2_a_ak4643 = {
153 .name = "AK4643",
154 .card = "FSI2A (AK4643)",
155 .cpu_dai = "fsia-dai",
156 .codec = "ak4642-codec.0-0013",
157 .platform = "sh_fsi2",
158 .id = FSI_PORT_A,
159};
160
161static struct fsi_ak4642_data fsi2_b_ak4643 = {
162 .name = "AK4643",
163 .card = "FSI2B (AK4643)",
164 .cpu_dai = "fsib-dai",
165 .codec = "ak4642-codec.0-0013",
166 .platform = "sh_fsi2",
167 .id = FSI_PORT_B,
168};
169
170static struct platform_device_id fsi_id_table[] = {
171
172 { "sh_fsi_a_ak4642", (kernel_ulong_t)&fsi_a_ak4642 },
173 { "sh_fsi_b_ak4642", (kernel_ulong_t)&fsi_b_ak4642 },
174 { "sh_fsi_a_ak4643", (kernel_ulong_t)&fsi_a_ak4643 },
175 { "sh_fsi_b_ak4643", (kernel_ulong_t)&fsi_b_ak4643 },
176
177
178 { "sh_fsi2_a_ak4642", (kernel_ulong_t)&fsi2_a_ak4642 },
179 { "sh_fsi2_b_ak4642", (kernel_ulong_t)&fsi2_b_ak4642 },
180 { "sh_fsi2_a_ak4643", (kernel_ulong_t)&fsi2_a_ak4643 },
181 { "sh_fsi2_b_ak4643", (kernel_ulong_t)&fsi2_b_ak4643 },
182 {},
183};
184
185static struct platform_driver fsi_ak4642 = {
186 .driver = {
187 .name = "fsi-ak4642-audio",
188 },
189 .probe = fsi_ak4642_probe,
190 .remove = fsi_ak4642_remove,
191 .id_table = fsi_id_table,
192};
193
194static int __init fsi_ak4642_init(void)
195{
196 return platform_driver_register(&fsi_ak4642);
197}
198
199static void __exit fsi_ak4642_exit(void)
200{
201 platform_driver_unregister(&fsi_ak4642);
202}
203
204module_init(fsi_ak4642_init);
205module_exit(fsi_ak4642_exit);
206
207MODULE_LICENSE("GPL");
208MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
209MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
210
