1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * ad73311.c -- ALSA Soc AD73311 codec support |
4 | * |
5 | * Copyright: Analog Devices Inc. |
6 | * Author: Cliff Cai <cliff.cai@analog.com> |
7 | */ |
8 | |
9 | #include <linux/init.h> |
10 | #include <linux/slab.h> |
11 | #include <linux/module.h> |
12 | #include <linux/kernel.h> |
13 | #include <linux/device.h> |
14 | #include <sound/core.h> |
15 | #include <sound/pcm.h> |
16 | #include <sound/ac97_codec.h> |
17 | #include <sound/initval.h> |
18 | #include <sound/soc.h> |
19 | |
20 | #include "ad73311.h" |
21 | |
22 | static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = { |
23 | SND_SOC_DAPM_INPUT("VINP" ), |
24 | SND_SOC_DAPM_INPUT("VINN" ), |
25 | SND_SOC_DAPM_OUTPUT("VOUTN" ), |
26 | SND_SOC_DAPM_OUTPUT("VOUTP" ), |
27 | }; |
28 | |
29 | static const struct snd_soc_dapm_route ad73311_dapm_routes[] = { |
30 | { "Capture" , NULL, "VINP" }, |
31 | { "Capture" , NULL, "VINN" }, |
32 | |
33 | { "VOUTN" , NULL, "Playback" }, |
34 | { "VOUTP" , NULL, "Playback" }, |
35 | }; |
36 | |
37 | static struct snd_soc_dai_driver ad73311_dai = { |
38 | .name = "ad73311-hifi" , |
39 | .playback = { |
40 | .stream_name = "Playback" , |
41 | .channels_min = 1, |
42 | .channels_max = 1, |
43 | .rates = SNDRV_PCM_RATE_8000, |
44 | .formats = SNDRV_PCM_FMTBIT_S16_LE, }, |
45 | .capture = { |
46 | .stream_name = "Capture" , |
47 | .channels_min = 1, |
48 | .channels_max = 1, |
49 | .rates = SNDRV_PCM_RATE_8000, |
50 | .formats = SNDRV_PCM_FMTBIT_S16_LE, }, |
51 | }; |
52 | |
53 | static const struct snd_soc_component_driver soc_component_dev_ad73311 = { |
54 | .dapm_widgets = ad73311_dapm_widgets, |
55 | .num_dapm_widgets = ARRAY_SIZE(ad73311_dapm_widgets), |
56 | .dapm_routes = ad73311_dapm_routes, |
57 | .num_dapm_routes = ARRAY_SIZE(ad73311_dapm_routes), |
58 | .idle_bias_on = 1, |
59 | .use_pmdown_time = 1, |
60 | .endianness = 1, |
61 | }; |
62 | |
63 | static int ad73311_probe(struct platform_device *pdev) |
64 | { |
65 | return devm_snd_soc_register_component(dev: &pdev->dev, |
66 | component_driver: &soc_component_dev_ad73311, dai_drv: &ad73311_dai, num_dai: 1); |
67 | } |
68 | |
69 | static struct platform_driver ad73311_codec_driver = { |
70 | .driver = { |
71 | .name = "ad73311" , |
72 | }, |
73 | |
74 | .probe = ad73311_probe, |
75 | }; |
76 | |
77 | module_platform_driver(ad73311_codec_driver); |
78 | |
79 | MODULE_DESCRIPTION("ASoC ad73311 driver" ); |
80 | MODULE_AUTHOR("Cliff Cai " ); |
81 | MODULE_LICENSE("GPL" ); |
82 | |