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e0690385 OL |
1 | /* |
2 | * Copyright (C) ST-Ericsson SA 2012 | |
3 | * | |
4 | * Author: Ola Lilja (ola.o.lilja@stericsson.com) | |
5 | * for ST-Ericsson. | |
6 | * | |
7 | * License terms: | |
8 | * | |
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. | |
12 | */ | |
13 | ||
14 | #include <asm/mach-types.h> | |
15 | ||
16 | #include <linux/module.h> | |
17 | #include <linux/io.h> | |
18 | #include <linux/spi/spi.h> | |
0af541ce | 19 | #include <linux/of.h> |
e0690385 OL |
20 | |
21 | #include <sound/soc.h> | |
22 | #include <sound/initval.h> | |
23 | ||
24 | #include "ux500_pcm.h" | |
25 | #include "ux500_msp_dai.h" | |
26 | ||
27 | #include <mop500_ab8500.h> | |
28 | ||
29 | /* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ | |
30 | struct snd_soc_dai_link mop500_dai_links[] = { | |
31 | { | |
32 | .name = "ab8500_0", | |
33 | .stream_name = "ab8500_0", | |
34 | .cpu_dai_name = "ux500-msp-i2s.1", | |
35 | .codec_dai_name = "ab8500-codec-dai.0", | |
1428c20f | 36 | .platform_name = "ux500-msp-i2s.1", |
e0690385 OL |
37 | .codec_name = "ab8500-codec.0", |
38 | .init = mop500_ab8500_machine_init, | |
39 | .ops = mop500_ab8500_ops, | |
40 | }, | |
41 | { | |
42 | .name = "ab8500_1", | |
43 | .stream_name = "ab8500_1", | |
44 | .cpu_dai_name = "ux500-msp-i2s.3", | |
45 | .codec_dai_name = "ab8500-codec-dai.1", | |
1428c20f | 46 | .platform_name = "ux500-msp-i2s.3", |
e0690385 OL |
47 | .codec_name = "ab8500-codec.0", |
48 | .init = NULL, | |
49 | .ops = mop500_ab8500_ops, | |
50 | }, | |
51 | }; | |
52 | ||
53 | static struct snd_soc_card mop500_card = { | |
54 | .name = "MOP500-card", | |
55 | .probe = NULL, | |
56 | .dai_link = mop500_dai_links, | |
57 | .num_links = ARRAY_SIZE(mop500_dai_links), | |
58 | }; | |
59 | ||
39013bd6 LJ |
60 | static void mop500_of_node_put(void) |
61 | { | |
62 | int i; | |
63 | ||
64 | for (i = 0; i < 2; i++) { | |
65 | if (mop500_dai_links[i].cpu_of_node) | |
66 | of_node_put((struct device_node *) | |
67 | mop500_dai_links[i].cpu_of_node); | |
68 | if (mop500_dai_links[i].codec_of_node) | |
69 | of_node_put((struct device_node *) | |
70 | mop500_dai_links[i].codec_of_node); | |
71 | } | |
72 | } | |
73 | ||
0af541ce LJ |
74 | static int __devinit mop500_of_probe(struct platform_device *pdev, |
75 | struct device_node *np) | |
76 | { | |
77 | struct device_node *codec_np, *msp_np[2]; | |
78 | int i; | |
79 | ||
80 | msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); | |
81 | msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); | |
82 | codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); | |
83 | ||
84 | if (!(msp_np[0] && msp_np[1] && codec_np)) { | |
85 | dev_err(&pdev->dev, "Phandle missing or invalid\n"); | |
39013bd6 | 86 | mop500_of_node_put(); |
0af541ce LJ |
87 | return -EINVAL; |
88 | } | |
89 | ||
90 | for (i = 0; i < 2; i++) { | |
91 | mop500_dai_links[i].cpu_of_node = msp_np[i]; | |
92 | mop500_dai_links[i].cpu_dai_name = NULL; | |
93 | mop500_dai_links[i].codec_of_node = codec_np; | |
94 | mop500_dai_links[i].codec_name = NULL; | |
95 | } | |
96 | ||
97 | snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); | |
98 | ||
99 | return 0; | |
100 | } | |
39013bd6 | 101 | |
e0690385 OL |
102 | static int __devinit mop500_probe(struct platform_device *pdev) |
103 | { | |
0af541ce | 104 | struct device_node *np = pdev->dev.of_node; |
e0690385 OL |
105 | int ret; |
106 | ||
e0690385 OL |
107 | dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); |
108 | ||
109 | mop500_card.dev = &pdev->dev; | |
110 | ||
0af541ce LJ |
111 | if (np) { |
112 | ret = mop500_of_probe(pdev, np); | |
113 | if (ret) | |
114 | return ret; | |
115 | } | |
116 | ||
e0690385 OL |
117 | dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", |
118 | __func__, mop500_card.name); | |
119 | platform_set_drvdata(pdev, &mop500_card); | |
120 | ||
121 | snd_soc_card_set_drvdata(&mop500_card, NULL); | |
122 | ||
123 | dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", | |
124 | __func__, mop500_card.name, mop500_card.num_links); | |
125 | dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", | |
126 | __func__, mop500_card.name, mop500_card.dai_link[0].name); | |
127 | dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", | |
128 | __func__, mop500_card.name, | |
129 | mop500_card.dai_link[0].stream_name); | |
130 | ||
131 | ret = snd_soc_register_card(&mop500_card); | |
132 | if (ret) | |
133 | dev_err(&pdev->dev, | |
2087a692 | 134 | "Error: snd_soc_register_card failed (%d)!\n", ret); |
e0690385 OL |
135 | |
136 | return ret; | |
137 | } | |
138 | ||
139 | static int __devexit mop500_remove(struct platform_device *pdev) | |
140 | { | |
141 | struct snd_soc_card *mop500_card = platform_get_drvdata(pdev); | |
142 | ||
143 | pr_debug("%s: Enter.\n", __func__); | |
144 | ||
145 | snd_soc_unregister_card(mop500_card); | |
146 | mop500_ab8500_remove(mop500_card); | |
39013bd6 | 147 | mop500_of_node_put(); |
2087a692 | 148 | |
e0690385 OL |
149 | return 0; |
150 | } | |
151 | ||
0af541ce LJ |
152 | static const struct of_device_id snd_soc_mop500_match[] = { |
153 | { .compatible = "stericsson,snd-soc-mop500", }, | |
154 | {}, | |
155 | }; | |
156 | ||
e0690385 OL |
157 | static struct platform_driver snd_soc_mop500_driver = { |
158 | .driver = { | |
159 | .owner = THIS_MODULE, | |
160 | .name = "snd-soc-mop500", | |
0af541ce | 161 | .of_match_table = snd_soc_mop500_match, |
e0690385 OL |
162 | }, |
163 | .probe = mop500_probe, | |
164 | .remove = __devexit_p(mop500_remove), | |
165 | }; | |
166 | ||
167 | module_platform_driver(snd_soc_mop500_driver); |