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>
>> 15 #include <linux/interrupt.h>
11 #include <linux/device.h> 16 #include <linux/device.h>
12 #include <linux/of.h> !! 17 #include <linux/delay.h>
13 !! 18 #include <linux/of_device.h>
>> 19 #include <linux/of_platform.h>
>> 20 #include <linux/dma-mapping.h>
>> 21
>> 22 #include <sound/core.h>
>> 23 #include <sound/pcm.h>
>> 24 #include <sound/pcm_params.h>
>> 25 #include <sound/initval.h>
14 #include <sound/soc.h> 26 #include <sound/soc.h>
>> 27 #include <sound/soc-of-simple.h>
15 28
16 #include "mpc5200_dma.h" 29 #include "mpc5200_dma.h"
>> 30 #include "mpc5200_psc_ac97.h"
>> 31 #include "../codecs/wm9712.h"
17 32
18 #define DRV_NAME "pcm030-audio-fabric" 33 #define DRV_NAME "pcm030-audio-fabric"
19 34
20 struct pcm030_audio_data { !! 35 static struct snd_soc_device device;
21 struct snd_soc_card *card; !! 36 static struct snd_soc_card card;
22 struct platform_device *codec_device; <<
23 }; <<
24 <<
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 37
35 static struct snd_soc_dai_link pcm030_fabric_d 38 static struct snd_soc_dai_link pcm030_fabric_dai[] = {
36 { 39 {
37 .name = "AC97.0", !! 40 .name = "AC97",
38 .stream_name = "AC97 Analog", 41 .stream_name = "AC97 Analog",
39 SND_SOC_DAILINK_REG(analog), !! 42 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
>> 43 .cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
40 }, 44 },
41 { 45 {
42 .name = "AC97.1", !! 46 .name = "AC97",
43 .stream_name = "AC97 IEC958", 47 .stream_name = "AC97 IEC958",
44 SND_SOC_DAILINK_REG(iec958), !! 48 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
>> 49 .cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
45 }, 50 },
46 }; 51 };
47 52
48 static struct snd_soc_card pcm030_card = { !! 53 static __init int pcm030_fabric_init(void)
49 .name = "pcm030", <<
50 .owner = THIS_MODULE, <<
51 .dai_link = pcm030_fabric_dai, <<
52 .num_links = ARRAY_SIZE(pcm030_fabric_ <<
53 }; <<
54 <<
55 static int pcm030_fabric_probe(struct platform <<
56 { 54 {
57 struct device_node *np = op->dev.of_no !! 55 struct platform_device *pdev;
58 struct device_node *platform_np; !! 56 int rc;
59 struct snd_soc_card *card = &pcm030_ca <<
60 struct pcm030_audio_data *pdata; <<
61 struct snd_soc_dai_link *dai_link; <<
62 int ret; <<
63 int i; <<
64 57
65 if (!of_machine_is_compatible("phytec, !! 58 if (!machine_is_compatible("phytec,pcm030"))
66 return -ENODEV; 59 return -ENODEV;
67 60
68 pdata = devm_kzalloc(&op->dev, sizeof( !! 61 card.platform = &mpc5200_audio_dma_platform;
69 GFP_KERNEL); !! 62 card.name = "pcm030";
70 if (!pdata) !! 63 card.dai_link = pcm030_fabric_dai;
71 return -ENOMEM; !! 64 card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
72 !! 65
73 card->dev = &op->dev; !! 66 device.card = &card;
74 !! 67 device.codec_dev = &soc_codec_dev_wm9712;
75 pdata->card = card; !! 68
76 !! 69 pdev = platform_device_alloc("soc-audio", 1);
77 platform_np = of_parse_phandle(np, "as !! 70 if (!pdev) {
78 if (!platform_np) { !! 71 pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
79 dev_err(&op->dev, "ac97 not re <<
80 return -ENODEV; 72 return -ENODEV;
81 } 73 }
82 74
83 for_each_card_prelinks(card, i, dai_li !! 75 platform_set_drvdata(pdev, &device);
84 dai_link->platforms->of_node = !! 76 device.dev = &pdev->dev;
85 77
86 ret = request_module("snd-soc-wm9712") !! 78 rc = platform_device_add(pdev);
87 if (ret) !! 79 if (rc) {
88 dev_err(&op->dev, "request_mod !! 80 pr_err("pcm030_fabric_init: platform_device_add() failed\n");
89 !! 81 return -ENODEV;
90 pdata->codec_device = platform_device_ <<
91 if (!pdata->codec_device) <<
92 dev_err(&op->dev, "platform_de <<
93 <<
94 ret = platform_device_add(pdata->codec <<
95 if (ret) { <<
96 dev_err(&op->dev, "platform_de <<
97 platform_device_put(pdata->cod <<
98 } <<
99 <<
100 ret = snd_soc_register_card(card); <<
101 if (ret) { <<
102 dev_err(&op->dev, "snd_soc_reg <<
103 platform_device_unregister(pda <<
104 } 82 }
105 !! 83 return 0;
106 platform_set_drvdata(op, pdata); <<
107 return ret; <<
108 <<
109 } <<
110 <<
111 static void pcm030_fabric_remove(struct platfo <<
112 { <<
113 struct pcm030_audio_data *pdata = plat <<
114 <<
115 snd_soc_unregister_card(pdata->card); <<
116 platform_device_unregister(pdata->code <<
117 } 84 }
118 85
119 static const struct of_device_id pcm030_audio_ !! 86 module_init(pcm030_fabric_init);
120 { .compatible = "phytec,pcm030-audio-f <<
121 {} <<
122 }; <<
123 MODULE_DEVICE_TABLE(of, pcm030_audio_match); <<
124 <<
125 static struct platform_driver pcm030_fabric_dr <<
126 .probe = pcm030_fabric_probe, <<
127 .remove = pcm030_fabric_remove <<
128 .driver = { <<
129 .name = DRV_NAME, <<
130 .of_match_table = pcm030_au <<
131 }, <<
132 }; <<
133 <<
134 module_platform_driver(pcm030_fabric_driver); <<
135 87
136 88
137 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>" 89 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
138 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 90 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
139 MODULE_LICENSE("GPL"); 91 MODULE_LICENSE("GPL");
140 92
141 93
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