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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
e0690385 OL |
2 | /* |
3 | * Copyright (C) ST-Ericsson SA 2012 | |
4 | * | |
5 | * Author: Ola Lilja (ola.o.lilja@stericsson.com) | |
6 | * for ST-Ericsson. | |
7 | * | |
8 | * License terms: | |
e0690385 OL |
9 | */ |
10 | ||
11 | #include <asm/mach-types.h> | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/io.h> | |
15 | #include <linux/spi/spi.h> | |
0af541ce | 16 | #include <linux/of.h> |
e0690385 OL |
17 | |
18 | #include <sound/soc.h> | |
19 | #include <sound/initval.h> | |
20 | ||
21 | #include "ux500_pcm.h" | |
22 | #include "ux500_msp_dai.h" | |
23 | ||
9fc4cd82 | 24 | #include "mop500_ab8500.h" |
e0690385 OL |
25 | |
26 | /* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ | |
aba1e2be | 27 | static struct snd_soc_dai_link mop500_dai_links[] = { |
e0690385 OL |
28 | { |
29 | .name = "ab8500_0", | |
30 | .stream_name = "ab8500_0", | |
31 | .cpu_dai_name = "ux500-msp-i2s.1", | |
32 | .codec_dai_name = "ab8500-codec-dai.0", | |
651e9268 | 33 | .platform_name = "ux500-msp-i2s.1", |
e0690385 OL |
34 | .codec_name = "ab8500-codec.0", |
35 | .init = mop500_ab8500_machine_init, | |
36 | .ops = mop500_ab8500_ops, | |
37 | }, | |
38 | { | |
39 | .name = "ab8500_1", | |
40 | .stream_name = "ab8500_1", | |
41 | .cpu_dai_name = "ux500-msp-i2s.3", | |
42 | .codec_dai_name = "ab8500-codec-dai.1", | |
651e9268 | 43 | .platform_name = "ux500-msp-i2s.3", |
e0690385 OL |
44 | .codec_name = "ab8500-codec.0", |
45 | .init = NULL, | |
46 | .ops = mop500_ab8500_ops, | |
47 | }, | |
48 | }; | |
49 | ||
50 | static struct snd_soc_card mop500_card = { | |
51 | .name = "MOP500-card", | |
e7c8c589 | 52 | .owner = THIS_MODULE, |
e0690385 OL |
53 | .probe = NULL, |
54 | .dai_link = mop500_dai_links, | |
55 | .num_links = ARRAY_SIZE(mop500_dai_links), | |
56 | }; | |
57 | ||
39013bd6 LJ |
58 | static void mop500_of_node_put(void) |
59 | { | |
60 | int i; | |
61 | ||
62 | for (i = 0; i < 2; i++) { | |
1679b532 ME |
63 | of_node_put(mop500_dai_links[i].cpu_of_node); |
64 | of_node_put(mop500_dai_links[i].codec_of_node); | |
39013bd6 LJ |
65 | } |
66 | } | |
67 | ||
da794876 BP |
68 | static int mop500_of_probe(struct platform_device *pdev, |
69 | struct device_node *np) | |
0af541ce LJ |
70 | { |
71 | struct device_node *codec_np, *msp_np[2]; | |
72 | int i; | |
73 | ||
74 | msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); | |
75 | msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); | |
76 | codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); | |
77 | ||
78 | if (!(msp_np[0] && msp_np[1] && codec_np)) { | |
79 | dev_err(&pdev->dev, "Phandle missing or invalid\n"); | |
39013bd6 | 80 | mop500_of_node_put(); |
0af541ce LJ |
81 | return -EINVAL; |
82 | } | |
83 | ||
84 | for (i = 0; i < 2; i++) { | |
85 | mop500_dai_links[i].cpu_of_node = msp_np[i]; | |
86 | mop500_dai_links[i].cpu_dai_name = NULL; | |
651e9268 JH |
87 | mop500_dai_links[i].platform_of_node = msp_np[i]; |
88 | mop500_dai_links[i].platform_name = NULL; | |
0af541ce LJ |
89 | mop500_dai_links[i].codec_of_node = codec_np; |
90 | mop500_dai_links[i].codec_name = NULL; | |
91 | } | |
92 | ||
93 | snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); | |
94 | ||
95 | return 0; | |
96 | } | |
39013bd6 | 97 | |
da794876 | 98 | static int mop500_probe(struct platform_device *pdev) |
e0690385 | 99 | { |
0af541ce | 100 | struct device_node *np = pdev->dev.of_node; |
e0690385 OL |
101 | int ret; |
102 | ||
e0690385 OL |
103 | dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); |
104 | ||
105 | mop500_card.dev = &pdev->dev; | |
106 | ||
0af541ce LJ |
107 | if (np) { |
108 | ret = mop500_of_probe(pdev, np); | |
109 | if (ret) | |
110 | return ret; | |
111 | } | |
112 | ||
e0690385 OL |
113 | dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", |
114 | __func__, mop500_card.name); | |
e0690385 OL |
115 | |
116 | snd_soc_card_set_drvdata(&mop500_card, NULL); | |
117 | ||
118 | dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", | |
119 | __func__, mop500_card.name, mop500_card.num_links); | |
120 | dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", | |
121 | __func__, mop500_card.name, mop500_card.dai_link[0].name); | |
122 | dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", | |
123 | __func__, mop500_card.name, | |
124 | mop500_card.dai_link[0].stream_name); | |
125 | ||
126 | ret = snd_soc_register_card(&mop500_card); | |
127 | if (ret) | |
128 | dev_err(&pdev->dev, | |
2087a692 | 129 | "Error: snd_soc_register_card failed (%d)!\n", ret); |
e0690385 OL |
130 | |
131 | return ret; | |
132 | } | |
133 | ||
da794876 | 134 | static int mop500_remove(struct platform_device *pdev) |
e0690385 OL |
135 | { |
136 | struct snd_soc_card *mop500_card = platform_get_drvdata(pdev); | |
137 | ||
138 | pr_debug("%s: Enter.\n", __func__); | |
139 | ||
140 | snd_soc_unregister_card(mop500_card); | |
141 | mop500_ab8500_remove(mop500_card); | |
39013bd6 | 142 | mop500_of_node_put(); |
2087a692 | 143 | |
e0690385 OL |
144 | return 0; |
145 | } | |
146 | ||
0af541ce LJ |
147 | static const struct of_device_id snd_soc_mop500_match[] = { |
148 | { .compatible = "stericsson,snd-soc-mop500", }, | |
149 | {}, | |
150 | }; | |
cfa7a38c | 151 | MODULE_DEVICE_TABLE(of, snd_soc_mop500_match); |
0af541ce | 152 | |
e0690385 OL |
153 | static struct platform_driver snd_soc_mop500_driver = { |
154 | .driver = { | |
e0690385 | 155 | .name = "snd-soc-mop500", |
0af541ce | 156 | .of_match_table = snd_soc_mop500_match, |
e0690385 OL |
157 | }, |
158 | .probe = mop500_probe, | |
da794876 | 159 | .remove = mop500_remove, |
e0690385 OL |
160 | }; |
161 | ||
162 | module_platform_driver(snd_soc_mop500_driver); | |
1783c9d7 AB |
163 | |
164 | MODULE_LICENSE("GPL v2"); | |
165 | MODULE_DESCRIPTION("ASoC MOP500 board driver"); | |
166 | MODULE_AUTHOR("Ola Lilja"); |