1 // SPDX-License-Identifier: GPL-2.0-only
3 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
5 * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved.
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <linux/slab.h>
11 #include <linux/gpio.h>
12 #include <linux/of_gpio.h>
13 #include <sound/core.h>
14 #include <sound/jack.h>
15 #include <sound/pcm.h>
16 #include <sound/pcm_params.h>
17 #include <sound/soc.h>
19 #include "rockchip_i2s.h"
20 #include "../codecs/ts3a227e.h"
22 #define DRV_NAME "rockchip-snd-max98090"
24 static struct snd_soc_jack headset_jack;
26 /* Headset jack detection DAPM pins */
27 static struct snd_soc_jack_pin headset_jack_pins[] = {
30 .mask = SND_JACK_HEADPHONE,
34 .mask = SND_JACK_MICROPHONE,
39 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
40 SND_SOC_DAPM_HP("Headphone", NULL),
41 SND_SOC_DAPM_MIC("Headset Mic", NULL),
42 SND_SOC_DAPM_MIC("Int Mic", NULL),
43 SND_SOC_DAPM_SPK("Speaker", NULL),
46 static const struct snd_soc_dapm_route rk_audio_map[] = {
47 {"IN34", NULL, "Headset Mic"},
48 {"IN34", NULL, "MICBIAS"},
49 {"Headset Mic", NULL, "MICBIAS"},
50 {"DMICL", NULL, "Int Mic"},
51 {"Headphone", NULL, "HPL"},
52 {"Headphone", NULL, "HPR"},
53 {"Speaker", NULL, "SPKL"},
54 {"Speaker", NULL, "SPKR"},
57 static const struct snd_kcontrol_new rk_mc_controls[] = {
58 SOC_DAPM_PIN_SWITCH("Headphone"),
59 SOC_DAPM_PIN_SWITCH("Headset Mic"),
60 SOC_DAPM_PIN_SWITCH("Int Mic"),
61 SOC_DAPM_PIN_SWITCH("Speaker"),
64 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
65 struct snd_pcm_hw_params *params)
68 struct snd_soc_pcm_runtime *rtd = substream->private_data;
69 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
70 struct snd_soc_dai *codec_dai = rtd->codec_dai;
73 switch (params_rate(params)) {
93 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
96 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
100 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
103 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
110 static const struct snd_soc_ops rk_aif1_ops = {
111 .hw_params = rk_aif1_hw_params,
114 static struct snd_soc_dai_link rk_dailink = {
116 .stream_name = "Audio",
117 .codec_dai_name = "HiFi",
119 /* set max98090 as slave */
120 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
121 SND_SOC_DAIFMT_CBS_CFS,
124 static int rk_98090_headset_init(struct snd_soc_component *component);
126 static struct snd_soc_aux_dev rk_98090_headset_dev = {
127 .name = "Headset Chip",
128 .init = rk_98090_headset_init,
131 static struct snd_soc_card snd_soc_card_rk = {
132 .name = "ROCKCHIP-I2S",
133 .owner = THIS_MODULE,
134 .dai_link = &rk_dailink,
136 .aux_dev = &rk_98090_headset_dev,
138 .dapm_widgets = rk_dapm_widgets,
139 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
140 .dapm_routes = rk_audio_map,
141 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
142 .controls = rk_mc_controls,
143 .num_controls = ARRAY_SIZE(rk_mc_controls),
146 static int rk_98090_headset_init(struct snd_soc_component *component)
150 /* Enable Headset and 4 Buttons Jack detection */
151 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
153 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
154 SND_JACK_BTN_2 | SND_JACK_BTN_3,
157 ARRAY_SIZE(headset_jack_pins));
161 ret = ts3a227e_enable_jack_detect(component, &headset_jack);
166 static int snd_rk_mc_probe(struct platform_device *pdev)
169 struct snd_soc_card *card = &snd_soc_card_rk;
170 struct device_node *np = pdev->dev.of_node;
172 /* register the soc card */
173 card->dev = &pdev->dev;
175 rk_dailink.codec_of_node = of_parse_phandle(np,
176 "rockchip,audio-codec", 0);
177 if (!rk_dailink.codec_of_node) {
179 "Property 'rockchip,audio-codec' missing or invalid\n");
183 rk_dailink.cpu_of_node = of_parse_phandle(np,
184 "rockchip,i2s-controller", 0);
185 if (!rk_dailink.cpu_of_node) {
187 "Property 'rockchip,i2s-controller' missing or invalid\n");
191 rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
193 rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
194 "rockchip,headset-codec", 0);
195 if (!rk_98090_headset_dev.codec_of_node) {
197 "Property 'rockchip,headset-codec' missing/invalid\n");
201 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
204 "Soc parse card name failed %d\n", ret);
208 ret = devm_snd_soc_register_card(&pdev->dev, card);
211 "Soc register card failed %d\n", ret);
218 static const struct of_device_id rockchip_max98090_of_match[] = {
219 { .compatible = "rockchip,rockchip-audio-max98090", },
223 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
225 static struct platform_driver snd_rk_mc_driver = {
226 .probe = snd_rk_mc_probe,
229 .pm = &snd_soc_pm_ops,
230 .of_match_table = rockchip_max98090_of_match,
234 module_platform_driver(snd_rk_mc_driver);
236 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
237 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
238 MODULE_LICENSE("GPL v2");
239 MODULE_ALIAS("platform:" DRV_NAME);