1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * ads117x.c -- Driver for ads1174/8 ADC chi 3 * ads117x.c -- Driver for ads1174/8 ADC chips
4 * 4 *
5 * Copyright 2009 ShotSpotter Inc. 5 * Copyright 2009 ShotSpotter Inc.
6 * Author: Graeme Gregory <gg@slimlogic.co.uk> 6 * Author: Graeme Gregory <gg@slimlogic.co.uk>
7 */ 7 */
8 8
9 #include <linux/kernel.h> 9 #include <linux/kernel.h>
10 #include <linux/slab.h> 10 #include <linux/slab.h>
11 #include <linux/init.h> 11 #include <linux/init.h>
12 #include <linux/device.h> 12 #include <linux/device.h>
13 #include <linux/module.h> 13 #include <linux/module.h>
14 #include <sound/core.h> 14 #include <sound/core.h>
15 #include <sound/pcm.h> 15 #include <sound/pcm.h>
16 #include <sound/initval.h> 16 #include <sound/initval.h>
17 #include <sound/soc.h> 17 #include <sound/soc.h>
18 18
19 #include <linux/of.h> 19 #include <linux/of.h>
20 20
21 #define ADS117X_RATES (SNDRV_PCM_RATE_8000_480 21 #define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
22 #define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_ 22 #define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
23 23
24 static const struct snd_soc_dapm_widget ads117 24 static const struct snd_soc_dapm_widget ads117x_dapm_widgets[] = {
25 SND_SOC_DAPM_INPUT("Input1"), 25 SND_SOC_DAPM_INPUT("Input1"),
26 SND_SOC_DAPM_INPUT("Input2"), 26 SND_SOC_DAPM_INPUT("Input2"),
27 SND_SOC_DAPM_INPUT("Input3"), 27 SND_SOC_DAPM_INPUT("Input3"),
28 SND_SOC_DAPM_INPUT("Input4"), 28 SND_SOC_DAPM_INPUT("Input4"),
29 SND_SOC_DAPM_INPUT("Input5"), 29 SND_SOC_DAPM_INPUT("Input5"),
30 SND_SOC_DAPM_INPUT("Input6"), 30 SND_SOC_DAPM_INPUT("Input6"),
31 SND_SOC_DAPM_INPUT("Input7"), 31 SND_SOC_DAPM_INPUT("Input7"),
32 SND_SOC_DAPM_INPUT("Input8"), 32 SND_SOC_DAPM_INPUT("Input8"),
33 }; 33 };
34 34
35 static const struct snd_soc_dapm_route ads117x 35 static const struct snd_soc_dapm_route ads117x_dapm_routes[] = {
36 { "Capture", NULL, "Input1" }, 36 { "Capture", NULL, "Input1" },
37 { "Capture", NULL, "Input2" }, 37 { "Capture", NULL, "Input2" },
38 { "Capture", NULL, "Input3" }, 38 { "Capture", NULL, "Input3" },
39 { "Capture", NULL, "Input4" }, 39 { "Capture", NULL, "Input4" },
40 { "Capture", NULL, "Input5" }, 40 { "Capture", NULL, "Input5" },
41 { "Capture", NULL, "Input6" }, 41 { "Capture", NULL, "Input6" },
42 { "Capture", NULL, "Input7" }, 42 { "Capture", NULL, "Input7" },
43 { "Capture", NULL, "Input8" }, 43 { "Capture", NULL, "Input8" },
44 }; 44 };
45 45
46 static struct snd_soc_dai_driver ads117x_dai = 46 static struct snd_soc_dai_driver ads117x_dai = {
47 /* ADC */ 47 /* ADC */
48 .name = "ads117x-hifi", 48 .name = "ads117x-hifi",
49 .capture = { 49 .capture = {
50 .stream_name = "Capture", 50 .stream_name = "Capture",
51 .channels_min = 1, 51 .channels_min = 1,
52 .channels_max = 32, 52 .channels_max = 32,
53 .rates = ADS117X_RATES, 53 .rates = ADS117X_RATES,
54 .formats = ADS117X_FORMATS,}, 54 .formats = ADS117X_FORMATS,},
55 }; 55 };
56 56
57 static const struct snd_soc_component_driver s 57 static const struct snd_soc_component_driver soc_component_dev_ads117x = {
58 .dapm_widgets = ads117x_dapm 58 .dapm_widgets = ads117x_dapm_widgets,
59 .num_dapm_widgets = ARRAY_SIZE(a 59 .num_dapm_widgets = ARRAY_SIZE(ads117x_dapm_widgets),
60 .dapm_routes = ads117x_dapm 60 .dapm_routes = ads117x_dapm_routes,
61 .num_dapm_routes = ARRAY_SIZE(a 61 .num_dapm_routes = ARRAY_SIZE(ads117x_dapm_routes),
62 .idle_bias_on = 1, 62 .idle_bias_on = 1,
63 .use_pmdown_time = 1, 63 .use_pmdown_time = 1,
64 .endianness = 1, 64 .endianness = 1,
65 }; 65 };
66 66
67 static int ads117x_probe(struct platform_devic 67 static int ads117x_probe(struct platform_device *pdev)
68 { 68 {
69 return devm_snd_soc_register_component 69 return devm_snd_soc_register_component(&pdev->dev,
70 &soc_component_dev_ads 70 &soc_component_dev_ads117x, &ads117x_dai, 1);
71 } 71 }
72 72
73 #if defined(CONFIG_OF) 73 #if defined(CONFIG_OF)
74 static const struct of_device_id ads117x_dt_id 74 static const struct of_device_id ads117x_dt_ids[] = {
75 { .compatible = "ti,ads1174" }, 75 { .compatible = "ti,ads1174" },
76 { .compatible = "ti,ads1178" }, 76 { .compatible = "ti,ads1178" },
77 { }, 77 { },
78 }; 78 };
79 MODULE_DEVICE_TABLE(of, ads117x_dt_ids); 79 MODULE_DEVICE_TABLE(of, ads117x_dt_ids);
80 #endif 80 #endif
81 81
82 static struct platform_driver ads117x_codec_dr 82 static struct platform_driver ads117x_codec_driver = {
83 .driver = { 83 .driver = {
84 .name = "ads117x-codec 84 .name = "ads117x-codec",
85 .of_match_table = of_m 85 .of_match_table = of_match_ptr(ads117x_dt_ids),
86 }, 86 },
87 87
88 .probe = ads117x_probe, 88 .probe = ads117x_probe,
89 }; 89 };
90 90
91 module_platform_driver(ads117x_codec_driver); 91 module_platform_driver(ads117x_codec_driver);
92 92
93 MODULE_DESCRIPTION("ASoC ads117x driver"); 93 MODULE_DESCRIPTION("ASoC ads117x driver");
94 MODULE_AUTHOR("Graeme Gregory"); 94 MODULE_AUTHOR("Graeme Gregory");
95 MODULE_LICENSE("GPL"); 95 MODULE_LICENSE("GPL");
96 96
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