1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 // 2 //
3 // Phytec pcm030 driver for the PSC of the Fre 3 // Phytec pcm030 driver for the PSC of the Freescale MPC52xx
4 // configured as AC97 interface 4 // configured as AC97 interface
5 // 5 //
6 // Copyright 2008 Jon Smirl, Digispeaker 6 // Copyright 2008 Jon Smirl, Digispeaker
7 // Author: Jon Smirl <jonsmirl@gmail.com> 7 // Author: Jon Smirl <jonsmirl@gmail.com>
8 8
9 #include <linux/init.h> 9 #include <linux/init.h>
10 #include <linux/module.h> 10 #include <linux/module.h>
11 #include <linux/device.h> 11 #include <linux/device.h>
12 #include <linux/of.h> !! 12 #include <linux/of_device.h>
>> 13 #include <linux/of_platform.h>
13 14
14 #include <sound/soc.h> 15 #include <sound/soc.h>
15 16
16 #include "mpc5200_dma.h" 17 #include "mpc5200_dma.h"
17 18
18 #define DRV_NAME "pcm030-audio-fabric" 19 #define DRV_NAME "pcm030-audio-fabric"
19 20
20 struct pcm030_audio_data { 21 struct pcm030_audio_data {
21 struct snd_soc_card *card; 22 struct snd_soc_card *card;
22 struct platform_device *codec_device; 23 struct platform_device *codec_device;
23 }; 24 };
24 25
25 SND_SOC_DAILINK_DEFS(analog, 26 SND_SOC_DAILINK_DEFS(analog,
26 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p 27 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
27 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712- 28 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
28 DAILINK_COMP_ARRAY(COMP_EMPTY())); 29 DAILINK_COMP_ARRAY(COMP_EMPTY()));
29 30
30 SND_SOC_DAILINK_DEFS(iec958, 31 SND_SOC_DAILINK_DEFS(iec958,
31 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p 32 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
32 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712- 33 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")),
33 DAILINK_COMP_ARRAY(COMP_EMPTY())); 34 DAILINK_COMP_ARRAY(COMP_EMPTY()));
34 35
35 static struct snd_soc_dai_link pcm030_fabric_d 36 static struct snd_soc_dai_link pcm030_fabric_dai[] = {
36 { 37 {
37 .name = "AC97.0", 38 .name = "AC97.0",
38 .stream_name = "AC97 Analog", 39 .stream_name = "AC97 Analog",
39 SND_SOC_DAILINK_REG(analog), 40 SND_SOC_DAILINK_REG(analog),
40 }, 41 },
41 { 42 {
42 .name = "AC97.1", 43 .name = "AC97.1",
43 .stream_name = "AC97 IEC958", 44 .stream_name = "AC97 IEC958",
44 SND_SOC_DAILINK_REG(iec958), 45 SND_SOC_DAILINK_REG(iec958),
45 }, 46 },
46 }; 47 };
47 48
48 static struct snd_soc_card pcm030_card = { 49 static struct snd_soc_card pcm030_card = {
49 .name = "pcm030", 50 .name = "pcm030",
50 .owner = THIS_MODULE, 51 .owner = THIS_MODULE,
51 .dai_link = pcm030_fabric_dai, 52 .dai_link = pcm030_fabric_dai,
52 .num_links = ARRAY_SIZE(pcm030_fabric_ 53 .num_links = ARRAY_SIZE(pcm030_fabric_dai),
53 }; 54 };
54 55
55 static int pcm030_fabric_probe(struct platform 56 static int pcm030_fabric_probe(struct platform_device *op)
56 { 57 {
57 struct device_node *np = op->dev.of_no 58 struct device_node *np = op->dev.of_node;
58 struct device_node *platform_np; 59 struct device_node *platform_np;
59 struct snd_soc_card *card = &pcm030_ca 60 struct snd_soc_card *card = &pcm030_card;
60 struct pcm030_audio_data *pdata; 61 struct pcm030_audio_data *pdata;
61 struct snd_soc_dai_link *dai_link; 62 struct snd_soc_dai_link *dai_link;
62 int ret; 63 int ret;
63 int i; 64 int i;
64 65
65 if (!of_machine_is_compatible("phytec, 66 if (!of_machine_is_compatible("phytec,pcm030"))
66 return -ENODEV; 67 return -ENODEV;
67 68
68 pdata = devm_kzalloc(&op->dev, sizeof( 69 pdata = devm_kzalloc(&op->dev, sizeof(struct pcm030_audio_data),
69 GFP_KERNEL); 70 GFP_KERNEL);
70 if (!pdata) 71 if (!pdata)
71 return -ENOMEM; 72 return -ENOMEM;
72 73
73 card->dev = &op->dev; 74 card->dev = &op->dev;
74 75
75 pdata->card = card; 76 pdata->card = card;
76 77
77 platform_np = of_parse_phandle(np, "as 78 platform_np = of_parse_phandle(np, "asoc-platform", 0);
78 if (!platform_np) { 79 if (!platform_np) {
79 dev_err(&op->dev, "ac97 not re 80 dev_err(&op->dev, "ac97 not registered\n");
80 return -ENODEV; 81 return -ENODEV;
81 } 82 }
82 83
83 for_each_card_prelinks(card, i, dai_li 84 for_each_card_prelinks(card, i, dai_link)
84 dai_link->platforms->of_node = 85 dai_link->platforms->of_node = platform_np;
85 86
86 ret = request_module("snd-soc-wm9712") 87 ret = request_module("snd-soc-wm9712");
87 if (ret) 88 if (ret)
88 dev_err(&op->dev, "request_mod 89 dev_err(&op->dev, "request_module returned: %d\n", ret);
89 90
90 pdata->codec_device = platform_device_ 91 pdata->codec_device = platform_device_alloc("wm9712-codec", -1);
91 if (!pdata->codec_device) 92 if (!pdata->codec_device)
92 dev_err(&op->dev, "platform_de 93 dev_err(&op->dev, "platform_device_alloc() failed\n");
93 94
94 ret = platform_device_add(pdata->codec 95 ret = platform_device_add(pdata->codec_device);
95 if (ret) { 96 if (ret) {
96 dev_err(&op->dev, "platform_de 97 dev_err(&op->dev, "platform_device_add() failed: %d\n", ret);
97 platform_device_put(pdata->cod 98 platform_device_put(pdata->codec_device);
98 } 99 }
99 100
100 ret = snd_soc_register_card(card); 101 ret = snd_soc_register_card(card);
101 if (ret) { 102 if (ret) {
102 dev_err(&op->dev, "snd_soc_reg 103 dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret);
103 platform_device_unregister(pda !! 104 platform_device_del(pdata->codec_device);
>> 105 platform_device_put(pdata->codec_device);
104 } 106 }
105 107
106 platform_set_drvdata(op, pdata); 108 platform_set_drvdata(op, pdata);
107 return ret; 109 return ret;
108 110
109 } 111 }
110 112
111 static void pcm030_fabric_remove(struct platfo !! 113 static int pcm030_fabric_remove(struct platform_device *op)
112 { 114 {
113 struct pcm030_audio_data *pdata = plat 115 struct pcm030_audio_data *pdata = platform_get_drvdata(op);
>> 116 int ret;
114 117
115 snd_soc_unregister_card(pdata->card); !! 118 ret = snd_soc_unregister_card(pdata->card);
116 platform_device_unregister(pdata->code 119 platform_device_unregister(pdata->codec_device);
>> 120
>> 121 return ret;
117 } 122 }
118 123
119 static const struct of_device_id pcm030_audio_ 124 static const struct of_device_id pcm030_audio_match[] = {
120 { .compatible = "phytec,pcm030-audio-f 125 { .compatible = "phytec,pcm030-audio-fabric", },
121 {} 126 {}
122 }; 127 };
123 MODULE_DEVICE_TABLE(of, pcm030_audio_match); 128 MODULE_DEVICE_TABLE(of, pcm030_audio_match);
124 129
125 static struct platform_driver pcm030_fabric_dr 130 static struct platform_driver pcm030_fabric_driver = {
126 .probe = pcm030_fabric_probe, 131 .probe = pcm030_fabric_probe,
127 .remove_new = pcm030_fabric_remove !! 132 .remove = pcm030_fabric_remove,
128 .driver = { 133 .driver = {
129 .name = DRV_NAME, 134 .name = DRV_NAME,
130 .of_match_table = pcm030_au 135 .of_match_table = pcm030_audio_match,
131 }, 136 },
132 }; 137 };
133 138
134 module_platform_driver(pcm030_fabric_driver); 139 module_platform_driver(pcm030_fabric_driver);
135 140
136 141
137 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>" 142 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
138 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 143 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
139 MODULE_LICENSE("GPL"); 144 MODULE_LICENSE("GPL");
140 145
141 146
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