Merge tag 'amd-drm-fixes-5.11-2020-12-16' of git://people.freedesktop.org/~agd5f...
[linux-2.6-microblaze.git] / sound / soc / codecs / ads117x.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * ads117x.c  --  Driver for ads1174/8 ADC chips
4  *
5  * Copyright 2009 ShotSpotter Inc.
6  * Author: Graeme Gregory <gg@slimlogic.co.uk>
7  */
8
9 #include <linux/kernel.h>
10 #include <linux/slab.h>
11 #include <linux/init.h>
12 #include <linux/device.h>
13 #include <linux/module.h>
14 #include <sound/core.h>
15 #include <sound/pcm.h>
16 #include <sound/initval.h>
17 #include <sound/soc.h>
18
19 #include <linux/of.h>
20
21 #define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
22 #define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
23
24 static const struct snd_soc_dapm_widget ads117x_dapm_widgets[] = {
25 SND_SOC_DAPM_INPUT("Input1"),
26 SND_SOC_DAPM_INPUT("Input2"),
27 SND_SOC_DAPM_INPUT("Input3"),
28 SND_SOC_DAPM_INPUT("Input4"),
29 SND_SOC_DAPM_INPUT("Input5"),
30 SND_SOC_DAPM_INPUT("Input6"),
31 SND_SOC_DAPM_INPUT("Input7"),
32 SND_SOC_DAPM_INPUT("Input8"),
33 };
34
35 static const struct snd_soc_dapm_route ads117x_dapm_routes[] = {
36         { "Capture", NULL, "Input1" },
37         { "Capture", NULL, "Input2" },
38         { "Capture", NULL, "Input3" },
39         { "Capture", NULL, "Input4" },
40         { "Capture", NULL, "Input5" },
41         { "Capture", NULL, "Input6" },
42         { "Capture", NULL, "Input7" },
43         { "Capture", NULL, "Input8" },
44 };
45
46 static struct snd_soc_dai_driver ads117x_dai = {
47 /* ADC */
48         .name = "ads117x-hifi",
49         .capture = {
50                 .stream_name = "Capture",
51                 .channels_min = 1,
52                 .channels_max = 32,
53                 .rates = ADS117X_RATES,
54                 .formats = ADS117X_FORMATS,},
55 };
56
57 static const struct snd_soc_component_driver soc_component_dev_ads117x = {
58         .dapm_widgets           = ads117x_dapm_widgets,
59         .num_dapm_widgets       = ARRAY_SIZE(ads117x_dapm_widgets),
60         .dapm_routes            = ads117x_dapm_routes,
61         .num_dapm_routes        = ARRAY_SIZE(ads117x_dapm_routes),
62         .idle_bias_on           = 1,
63         .use_pmdown_time        = 1,
64         .endianness             = 1,
65         .non_legacy_dai_naming  = 1,
66 };
67
68 static int ads117x_probe(struct platform_device *pdev)
69 {
70         return devm_snd_soc_register_component(&pdev->dev,
71                         &soc_component_dev_ads117x, &ads117x_dai, 1);
72 }
73
74 #if defined(CONFIG_OF)
75 static const struct of_device_id ads117x_dt_ids[] = {
76         { .compatible = "ti,ads1174" },
77         { .compatible = "ti,ads1178" },
78         { },
79 };
80 MODULE_DEVICE_TABLE(of, ads117x_dt_ids);
81 #endif
82
83 static struct platform_driver ads117x_codec_driver = {
84         .driver = {
85                         .name = "ads117x-codec",
86                         .of_match_table = of_match_ptr(ads117x_dt_ids),
87         },
88
89         .probe = ads117x_probe,
90 };
91
92 module_platform_driver(ads117x_codec_driver);
93
94 MODULE_DESCRIPTION("ASoC ads117x driver");
95 MODULE_AUTHOR("Graeme Gregory");
96 MODULE_LICENSE("GPL");