1 // SPDX-License-Identifier: GPL-2.0 !! 1 /*
2 // !! 2 * Phytec pcm030 driver for the PSC of the Freescale MPC52xx
3 // Phytec pcm030 driver for the PSC of the Fre !! 3 * configured as AC97 interface
4 // configured as AC97 interface !! 4 *
5 // !! 5 * Copyright 2008 Jon Smirl, Digispeaker
6 // Copyright 2008 Jon Smirl, Digispeaker !! 6 * Author: Jon Smirl <jonsmirl@gmail.com>
7 // Author: Jon Smirl <jonsmirl@gmail.com> !! 7 *
>> 8 * This file is licensed under the terms of the GNU General Public License
>> 9 * version 2. This program is licensed "as is" without any warranty of any
>> 10 * kind, whether express or implied.
>> 11 */
8 12
9 #include <linux/init.h> 13 #include <linux/init.h>
10 #include <linux/module.h> 14 #include <linux/module.h>
11 #include <linux/device.h> 15 #include <linux/device.h>
12 #include <linux/of.h> !! 16 #include <linux/of_device.h>
>> 17 #include <linux/of_platform.h>
13 18
14 #include <sound/soc.h> 19 #include <sound/soc.h>
15 20
16 #include "mpc5200_dma.h" 21 #include "mpc5200_dma.h"
17 22
18 #define DRV_NAME "pcm030-audio-fabric" 23 #define DRV_NAME "pcm030-audio-fabric"
19 24
20 struct pcm030_audio_data { 25 struct pcm030_audio_data {
21 struct snd_soc_card *card; 26 struct snd_soc_card *card;
22 struct platform_device *codec_device; 27 struct platform_device *codec_device;
23 }; 28 };
24 29
25 SND_SOC_DAILINK_DEFS(analog, <<
26 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p <<
27 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712- <<
28 DAILINK_COMP_ARRAY(COMP_EMPTY())); <<
29 <<
30 SND_SOC_DAILINK_DEFS(iec958, <<
31 DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-p <<
32 DAILINK_COMP_ARRAY(COMP_CODEC("wm9712- <<
33 DAILINK_COMP_ARRAY(COMP_EMPTY())); <<
34 <<
35 static struct snd_soc_dai_link pcm030_fabric_d 30 static struct snd_soc_dai_link pcm030_fabric_dai[] = {
36 { 31 {
37 .name = "AC97.0", 32 .name = "AC97.0",
38 .stream_name = "AC97 Analog", 33 .stream_name = "AC97 Analog",
39 SND_SOC_DAILINK_REG(analog), !! 34 .codec_dai_name = "wm9712-hifi",
>> 35 .cpu_dai_name = "mpc5200-psc-ac97.0",
>> 36 .codec_name = "wm9712-codec",
40 }, 37 },
41 { 38 {
42 .name = "AC97.1", 39 .name = "AC97.1",
43 .stream_name = "AC97 IEC958", 40 .stream_name = "AC97 IEC958",
44 SND_SOC_DAILINK_REG(iec958), !! 41 .codec_dai_name = "wm9712-aux",
>> 42 .cpu_dai_name = "mpc5200-psc-ac97.1",
>> 43 .codec_name = "wm9712-codec",
45 }, 44 },
46 }; 45 };
47 46
48 static struct snd_soc_card pcm030_card = { 47 static struct snd_soc_card pcm030_card = {
49 .name = "pcm030", 48 .name = "pcm030",
50 .owner = THIS_MODULE, 49 .owner = THIS_MODULE,
51 .dai_link = pcm030_fabric_dai, 50 .dai_link = pcm030_fabric_dai,
52 .num_links = ARRAY_SIZE(pcm030_fabric_ 51 .num_links = ARRAY_SIZE(pcm030_fabric_dai),
53 }; 52 };
54 53
55 static int pcm030_fabric_probe(struct platform 54 static int pcm030_fabric_probe(struct platform_device *op)
56 { 55 {
57 struct device_node *np = op->dev.of_no 56 struct device_node *np = op->dev.of_node;
58 struct device_node *platform_np; 57 struct device_node *platform_np;
59 struct snd_soc_card *card = &pcm030_ca 58 struct snd_soc_card *card = &pcm030_card;
60 struct pcm030_audio_data *pdata; 59 struct pcm030_audio_data *pdata;
61 struct snd_soc_dai_link *dai_link; <<
62 int ret; 60 int ret;
63 int i; 61 int i;
64 62
65 if (!of_machine_is_compatible("phytec, 63 if (!of_machine_is_compatible("phytec,pcm030"))
66 return -ENODEV; 64 return -ENODEV;
67 65
68 pdata = devm_kzalloc(&op->dev, sizeof( 66 pdata = devm_kzalloc(&op->dev, sizeof(struct pcm030_audio_data),
69 GFP_KERNEL); 67 GFP_KERNEL);
70 if (!pdata) 68 if (!pdata)
71 return -ENOMEM; 69 return -ENOMEM;
72 70
73 card->dev = &op->dev; 71 card->dev = &op->dev;
74 72
75 pdata->card = card; 73 pdata->card = card;
76 74
77 platform_np = of_parse_phandle(np, "as 75 platform_np = of_parse_phandle(np, "asoc-platform", 0);
78 if (!platform_np) { 76 if (!platform_np) {
79 dev_err(&op->dev, "ac97 not re 77 dev_err(&op->dev, "ac97 not registered\n");
80 return -ENODEV; 78 return -ENODEV;
81 } 79 }
82 80
83 for_each_card_prelinks(card, i, dai_li !! 81 for (i = 0; i < card->num_links; i++)
84 dai_link->platforms->of_node = !! 82 card->dai_link[i].platform_of_node = platform_np;
85 83
86 ret = request_module("snd-soc-wm9712") 84 ret = request_module("snd-soc-wm9712");
87 if (ret) 85 if (ret)
88 dev_err(&op->dev, "request_mod 86 dev_err(&op->dev, "request_module returned: %d\n", ret);
89 87
90 pdata->codec_device = platform_device_ 88 pdata->codec_device = platform_device_alloc("wm9712-codec", -1);
91 if (!pdata->codec_device) 89 if (!pdata->codec_device)
92 dev_err(&op->dev, "platform_de 90 dev_err(&op->dev, "platform_device_alloc() failed\n");
93 91
94 ret = platform_device_add(pdata->codec 92 ret = platform_device_add(pdata->codec_device);
95 if (ret) { !! 93 if (ret)
96 dev_err(&op->dev, "platform_de 94 dev_err(&op->dev, "platform_device_add() failed: %d\n", ret);
97 platform_device_put(pdata->cod <<
98 } <<
99 95
100 ret = snd_soc_register_card(card); 96 ret = snd_soc_register_card(card);
101 if (ret) { !! 97 if (ret)
102 dev_err(&op->dev, "snd_soc_reg 98 dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret);
103 platform_device_unregister(pda <<
104 } <<
105 99
106 platform_set_drvdata(op, pdata); 100 platform_set_drvdata(op, pdata);
107 return ret; <<
108 101
>> 102 return ret;
109 } 103 }
110 104
111 static void pcm030_fabric_remove(struct platfo !! 105 static int pcm030_fabric_remove(struct platform_device *op)
112 { 106 {
113 struct pcm030_audio_data *pdata = plat 107 struct pcm030_audio_data *pdata = platform_get_drvdata(op);
>> 108 int ret;
114 109
115 snd_soc_unregister_card(pdata->card); !! 110 ret = snd_soc_unregister_card(pdata->card);
116 platform_device_unregister(pdata->code 111 platform_device_unregister(pdata->codec_device);
>> 112
>> 113 return ret;
117 } 114 }
118 115
119 static const struct of_device_id pcm030_audio_ 116 static const struct of_device_id pcm030_audio_match[] = {
120 { .compatible = "phytec,pcm030-audio-f 117 { .compatible = "phytec,pcm030-audio-fabric", },
121 {} 118 {}
122 }; 119 };
123 MODULE_DEVICE_TABLE(of, pcm030_audio_match); 120 MODULE_DEVICE_TABLE(of, pcm030_audio_match);
124 121
125 static struct platform_driver pcm030_fabric_dr 122 static struct platform_driver pcm030_fabric_driver = {
126 .probe = pcm030_fabric_probe, 123 .probe = pcm030_fabric_probe,
127 .remove = pcm030_fabric_remove 124 .remove = pcm030_fabric_remove,
128 .driver = { 125 .driver = {
129 .name = DRV_NAME, 126 .name = DRV_NAME,
130 .of_match_table = pcm030_au 127 .of_match_table = pcm030_audio_match,
131 }, 128 },
132 }; 129 };
133 130
134 module_platform_driver(pcm030_fabric_driver); 131 module_platform_driver(pcm030_fabric_driver);
135 132
136 133
137 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>" 134 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
138 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 135 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
139 MODULE_LICENSE("GPL"); 136 MODULE_LICENSE("GPL");
140 137
141 138
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