1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * ac97.c -- ALSA Soc AC97 codec support 3 * ac97.c -- ALSA Soc AC97 codec support
4 * 4 *
5 * Copyright 2005 Wolfson Microelectronics PLC 5 * Copyright 2005 Wolfson Microelectronics PLC.
6 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 6 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7 * 7 *
8 * Generic AC97 support. 8 * Generic AC97 support.
9 */ 9 */
10 10
11 #include <linux/init.h> 11 #include <linux/init.h>
12 #include <linux/slab.h> 12 #include <linux/slab.h>
13 #include <linux/kernel.h> 13 #include <linux/kernel.h>
14 #include <linux/device.h> 14 #include <linux/device.h>
15 #include <linux/module.h> 15 #include <linux/module.h>
16 #include <sound/core.h> 16 #include <sound/core.h>
17 #include <sound/pcm.h> 17 #include <sound/pcm.h>
18 #include <sound/ac97_codec.h> 18 #include <sound/ac97_codec.h>
19 #include <sound/initval.h> 19 #include <sound/initval.h>
20 #include <sound/soc.h> 20 #include <sound/soc.h>
21 21
22 static const struct snd_soc_dapm_widget ac97_w 22 static const struct snd_soc_dapm_widget ac97_widgets[] = {
23 SND_SOC_DAPM_INPUT("RX"), 23 SND_SOC_DAPM_INPUT("RX"),
24 SND_SOC_DAPM_OUTPUT("TX"), 24 SND_SOC_DAPM_OUTPUT("TX"),
25 }; 25 };
26 26
27 static const struct snd_soc_dapm_route ac97_ro 27 static const struct snd_soc_dapm_route ac97_routes[] = {
28 { "AC97 Capture", NULL, "RX" }, 28 { "AC97 Capture", NULL, "RX" },
29 { "TX", NULL, "AC97 Playback" }, 29 { "TX", NULL, "AC97 Playback" },
30 }; 30 };
31 31
32 static int ac97_prepare(struct snd_pcm_substre 32 static int ac97_prepare(struct snd_pcm_substream *substream,
33 struct snd_soc_dai *da 33 struct snd_soc_dai *dai)
34 { 34 {
35 struct snd_soc_component *component = 35 struct snd_soc_component *component = dai->component;
36 struct snd_ac97 *ac97 = snd_soc_compon 36 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
37 37
38 int reg = (substream->stream == SNDRV_ 38 int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
39 AC97_PCM_FRONT_DAC_RATE : AC 39 AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE;
40 return snd_ac97_set_rate(ac97, reg, su 40 return snd_ac97_set_rate(ac97, reg, substream->runtime->rate);
41 } 41 }
42 42
43 static const struct snd_soc_dai_ops ac97_dai_o 43 static const struct snd_soc_dai_ops ac97_dai_ops = {
44 .prepare = ac97_prepare, 44 .prepare = ac97_prepare,
45 }; 45 };
46 46
47 static struct snd_soc_dai_driver ac97_dai = { 47 static struct snd_soc_dai_driver ac97_dai = {
48 .name = "ac97-hifi", 48 .name = "ac97-hifi",
49 .playback = { 49 .playback = {
50 .stream_name = "AC97 Playback" 50 .stream_name = "AC97 Playback",
51 .channels_min = 1, 51 .channels_min = 1,
52 .channels_max = 2, 52 .channels_max = 2,
53 .rates = SNDRV_PCM_RATE_KNOT, 53 .rates = SNDRV_PCM_RATE_KNOT,
54 .formats = SND_SOC_STD_AC97_FM 54 .formats = SND_SOC_STD_AC97_FMTS,},
55 .capture = { 55 .capture = {
56 .stream_name = "AC97 Capture", 56 .stream_name = "AC97 Capture",
57 .channels_min = 1, 57 .channels_min = 1,
58 .channels_max = 2, 58 .channels_max = 2,
59 .rates = SNDRV_PCM_RATE_KNOT, 59 .rates = SNDRV_PCM_RATE_KNOT,
60 .formats = SND_SOC_STD_AC97_FM 60 .formats = SND_SOC_STD_AC97_FMTS,},
61 .ops = &ac97_dai_ops, 61 .ops = &ac97_dai_ops,
62 }; 62 };
63 63
64 static int ac97_soc_probe(struct snd_soc_compo 64 static int ac97_soc_probe(struct snd_soc_component *component)
65 { 65 {
66 struct snd_ac97 *ac97; 66 struct snd_ac97 *ac97;
67 struct snd_ac97_bus *ac97_bus; 67 struct snd_ac97_bus *ac97_bus;
68 struct snd_ac97_template ac97_template 68 struct snd_ac97_template ac97_template;
69 int ret; 69 int ret;
70 70
71 /* add codec as bus device for standar 71 /* add codec as bus device for standard ac97 */
72 ret = snd_ac97_bus(component->card->sn 72 ret = snd_ac97_bus(component->card->snd_card, 0, soc_ac97_ops,
73 NULL, &ac97_bus); 73 NULL, &ac97_bus);
74 if (ret < 0) 74 if (ret < 0)
75 return ret; 75 return ret;
76 76
77 memset(&ac97_template, 0, sizeof(struc 77 memset(&ac97_template, 0, sizeof(struct snd_ac97_template));
78 ret = snd_ac97_mixer(ac97_bus, &ac97_t 78 ret = snd_ac97_mixer(ac97_bus, &ac97_template, &ac97);
79 if (ret < 0) 79 if (ret < 0)
80 return ret; 80 return ret;
81 81
82 snd_soc_component_set_drvdata(componen 82 snd_soc_component_set_drvdata(component, ac97);
83 83
84 return 0; 84 return 0;
85 } 85 }
86 86
87 #ifdef CONFIG_PM 87 #ifdef CONFIG_PM
88 static int ac97_soc_suspend(struct snd_soc_com 88 static int ac97_soc_suspend(struct snd_soc_component *component)
89 { 89 {
90 struct snd_ac97 *ac97 = snd_soc_compon 90 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
91 91
92 snd_ac97_suspend(ac97); 92 snd_ac97_suspend(ac97);
93 93
94 return 0; 94 return 0;
95 } 95 }
96 96
97 static int ac97_soc_resume(struct snd_soc_comp 97 static int ac97_soc_resume(struct snd_soc_component *component)
98 { 98 {
99 99
100 struct snd_ac97 *ac97 = snd_soc_compon 100 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
101 101
102 snd_ac97_resume(ac97); 102 snd_ac97_resume(ac97);
103 103
104 return 0; 104 return 0;
105 } 105 }
106 #else 106 #else
107 #define ac97_soc_suspend NULL 107 #define ac97_soc_suspend NULL
108 #define ac97_soc_resume NULL 108 #define ac97_soc_resume NULL
109 #endif 109 #endif
110 110
111 static const struct snd_soc_component_driver s 111 static const struct snd_soc_component_driver soc_component_dev_ac97 = {
112 .probe = ac97_soc_pro 112 .probe = ac97_soc_probe,
113 .suspend = ac97_soc_sus 113 .suspend = ac97_soc_suspend,
114 .resume = ac97_soc_res 114 .resume = ac97_soc_resume,
115 .dapm_widgets = ac97_widgets 115 .dapm_widgets = ac97_widgets,
116 .num_dapm_widgets = ARRAY_SIZE(a 116 .num_dapm_widgets = ARRAY_SIZE(ac97_widgets),
117 .dapm_routes = ac97_routes, 117 .dapm_routes = ac97_routes,
118 .num_dapm_routes = ARRAY_SIZE(a 118 .num_dapm_routes = ARRAY_SIZE(ac97_routes),
119 .idle_bias_on = 1, 119 .idle_bias_on = 1,
120 .use_pmdown_time = 1, 120 .use_pmdown_time = 1,
121 .endianness = 1, 121 .endianness = 1,
>> 122 .non_legacy_dai_naming = 1,
122 }; 123 };
123 124
124 static int ac97_probe(struct platform_device * 125 static int ac97_probe(struct platform_device *pdev)
125 { 126 {
126 return devm_snd_soc_register_component 127 return devm_snd_soc_register_component(&pdev->dev,
127 &soc_component_dev_ac9 128 &soc_component_dev_ac97, &ac97_dai, 1);
128 } 129 }
129 130
>> 131 static int ac97_remove(struct platform_device *pdev)
>> 132 {
>> 133 return 0;
>> 134 }
>> 135
130 static struct platform_driver ac97_codec_drive 136 static struct platform_driver ac97_codec_driver = {
131 .driver = { 137 .driver = {
132 .name = "ac97-codec", 138 .name = "ac97-codec",
133 }, 139 },
134 140
135 .probe = ac97_probe, 141 .probe = ac97_probe,
>> 142 .remove = ac97_remove,
136 }; 143 };
137 144
138 module_platform_driver(ac97_codec_driver); 145 module_platform_driver(ac97_codec_driver);
139 146
140 MODULE_DESCRIPTION("Soc Generic AC97 driver"); 147 MODULE_DESCRIPTION("Soc Generic AC97 driver");
141 MODULE_AUTHOR("Liam Girdwood"); 148 MODULE_AUTHOR("Liam Girdwood");
142 MODULE_LICENSE("GPL"); 149 MODULE_LICENSE("GPL");
143 MODULE_ALIAS("platform:ac97-codec"); 150 MODULE_ALIAS("platform:ac97-codec");
144 151
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