1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * wm8727.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Created on: 15-Oct-2009
6*4882a593Smuzhiyun * Author: neil.jones@imgtec.com
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Copyright (C) 2009 Imagination Technologies Ltd.
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/init.h>
12*4882a593Smuzhiyun #include <linux/slab.h>
13*4882a593Smuzhiyun #include <linux/module.h>
14*4882a593Smuzhiyun #include <linux/kernel.h>
15*4882a593Smuzhiyun #include <linux/device.h>
16*4882a593Smuzhiyun #include <sound/core.h>
17*4882a593Smuzhiyun #include <sound/pcm.h>
18*4882a593Smuzhiyun #include <sound/initval.h>
19*4882a593Smuzhiyun #include <sound/soc.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun static const struct snd_soc_dapm_widget wm8727_dapm_widgets[] = {
22*4882a593Smuzhiyun SND_SOC_DAPM_OUTPUT("VOUTL"),
23*4882a593Smuzhiyun SND_SOC_DAPM_OUTPUT("VOUTR"),
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun static const struct snd_soc_dapm_route wm8727_dapm_routes[] = {
27*4882a593Smuzhiyun { "VOUTL", NULL, "Playback" },
28*4882a593Smuzhiyun { "VOUTR", NULL, "Playback" },
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun /*
32*4882a593Smuzhiyun * Note this is a simple chip with no configuration interface, sample rate is
33*4882a593Smuzhiyun * determined automatically by examining the Master clock and Bit clock ratios
34*4882a593Smuzhiyun */
35*4882a593Smuzhiyun #define WM8727_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
36*4882a593Smuzhiyun SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
37*4882a593Smuzhiyun SNDRV_PCM_RATE_192000)
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct snd_soc_dai_driver wm8727_dai = {
40*4882a593Smuzhiyun .name = "wm8727-hifi",
41*4882a593Smuzhiyun .playback = {
42*4882a593Smuzhiyun .stream_name = "Playback",
43*4882a593Smuzhiyun .channels_min = 2,
44*4882a593Smuzhiyun .channels_max = 2,
45*4882a593Smuzhiyun .rates = WM8727_RATES,
46*4882a593Smuzhiyun .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
47*4882a593Smuzhiyun },
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static const struct snd_soc_component_driver soc_component_dev_wm8727 = {
51*4882a593Smuzhiyun .dapm_widgets = wm8727_dapm_widgets,
52*4882a593Smuzhiyun .num_dapm_widgets = ARRAY_SIZE(wm8727_dapm_widgets),
53*4882a593Smuzhiyun .dapm_routes = wm8727_dapm_routes,
54*4882a593Smuzhiyun .num_dapm_routes = ARRAY_SIZE(wm8727_dapm_routes),
55*4882a593Smuzhiyun .idle_bias_on = 1,
56*4882a593Smuzhiyun .use_pmdown_time = 1,
57*4882a593Smuzhiyun .endianness = 1,
58*4882a593Smuzhiyun .non_legacy_dai_naming = 1,
59*4882a593Smuzhiyun };
60*4882a593Smuzhiyun
wm8727_probe(struct platform_device * pdev)61*4882a593Smuzhiyun static int wm8727_probe(struct platform_device *pdev)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun return devm_snd_soc_register_component(&pdev->dev,
64*4882a593Smuzhiyun &soc_component_dev_wm8727, &wm8727_dai, 1);
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun static struct platform_driver wm8727_codec_driver = {
68*4882a593Smuzhiyun .driver = {
69*4882a593Smuzhiyun .name = "wm8727",
70*4882a593Smuzhiyun },
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun .probe = wm8727_probe,
73*4882a593Smuzhiyun };
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun module_platform_driver(wm8727_codec_driver);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun MODULE_DESCRIPTION("ASoC wm8727 driver");
78*4882a593Smuzhiyun MODULE_AUTHOR("Neil Jones");
79*4882a593Smuzhiyun MODULE_LICENSE("GPL");
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