GNU Linux-libre 6.1.91-gnu
[releases.git] / sound / soc / rockchip / rockchip_rt5645.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC.
4  *
5  * Copyright (c) 2015, ROCKCHIP CORPORATION.  All rights reserved.
6  */
7
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 <linux/delay.h>
14 #include <sound/core.h>
15 #include <sound/jack.h>
16 #include <sound/pcm.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19 #include "rockchip_i2s.h"
20 #include "../codecs/rt5645.h"
21
22 #define DRV_NAME "rockchip-snd-rt5645"
23
24 static struct snd_soc_jack headset_jack;
25
26 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
27         SND_SOC_DAPM_HP("Headphones", NULL),
28         SND_SOC_DAPM_SPK("Speakers", NULL),
29         SND_SOC_DAPM_MIC("Headset Mic", NULL),
30         SND_SOC_DAPM_MIC("Int Mic", NULL),
31 };
32
33 static const struct snd_soc_dapm_route rk_audio_map[] = {
34         /* Input Lines */
35         {"DMIC L2", NULL, "Int Mic"},
36         {"DMIC R2", NULL, "Int Mic"},
37         {"RECMIXL", NULL, "Headset Mic"},
38         {"RECMIXR", NULL, "Headset Mic"},
39
40         /* Output Lines */
41         {"Headphones", NULL, "HPOR"},
42         {"Headphones", NULL, "HPOL"},
43         {"Speakers", NULL, "SPOL"},
44         {"Speakers", NULL, "SPOR"},
45 };
46
47 static const struct snd_kcontrol_new rk_mc_controls[] = {
48         SOC_DAPM_PIN_SWITCH("Headphones"),
49         SOC_DAPM_PIN_SWITCH("Speakers"),
50         SOC_DAPM_PIN_SWITCH("Headset Mic"),
51         SOC_DAPM_PIN_SWITCH("Int Mic"),
52 };
53
54 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
55                              struct snd_pcm_hw_params *params)
56 {
57         int ret = 0;
58         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
59         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
60         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
61         int mclk;
62
63         switch (params_rate(params)) {
64         case 8000:
65         case 16000:
66         case 24000:
67         case 32000:
68         case 48000:
69         case 64000:
70         case 96000:
71                 mclk = 12288000;
72                 break;
73         case 11025:
74         case 22050:
75         case 44100:
76         case 88200:
77                 mclk = 11289600;
78                 break;
79         default:
80                 return -EINVAL;
81         }
82
83         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
84                                      SND_SOC_CLOCK_OUT);
85         if (ret < 0) {
86                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
87                 return ret;
88         }
89
90         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
91                                      SND_SOC_CLOCK_IN);
92         if (ret < 0) {
93                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
94                 return ret;
95         }
96
97         return ret;
98 }
99
100 static int rk_init(struct snd_soc_pcm_runtime *runtime)
101 {
102         struct snd_soc_card *card = runtime->card;
103         int ret;
104
105         /* Enable Headset and 4 Buttons Jack detection */
106         ret = snd_soc_card_jack_new(card, "Headset Jack",
107                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
108                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
109                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
110                                     &headset_jack);
111         if (ret) {
112                 dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);
113                 return ret;
114         }
115
116         return rt5645_set_jack_detect(asoc_rtd_to_codec(runtime, 0)->component,
117                                      &headset_jack,
118                                      &headset_jack,
119                                      &headset_jack);
120 }
121
122 static const struct snd_soc_ops rk_aif1_ops = {
123         .hw_params = rk_aif1_hw_params,
124 };
125
126 SND_SOC_DAILINK_DEFS(pcm,
127         DAILINK_COMP_ARRAY(COMP_EMPTY()),
128         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")),
129         DAILINK_COMP_ARRAY(COMP_EMPTY()));
130
131 static struct snd_soc_dai_link rk_dailink = {
132         .name = "rt5645",
133         .stream_name = "rt5645 PCM",
134         .init = rk_init,
135         .ops = &rk_aif1_ops,
136         /* set rt5645 as slave */
137         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
138                 SND_SOC_DAIFMT_CBS_CFS,
139         SND_SOC_DAILINK_REG(pcm),
140 };
141
142 static struct snd_soc_card snd_soc_card_rk = {
143         .name = "I2S-RT5650",
144         .owner = THIS_MODULE,
145         .dai_link = &rk_dailink,
146         .num_links = 1,
147         .dapm_widgets = rk_dapm_widgets,
148         .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
149         .dapm_routes = rk_audio_map,
150         .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
151         .controls = rk_mc_controls,
152         .num_controls = ARRAY_SIZE(rk_mc_controls),
153 };
154
155 static int snd_rk_mc_probe(struct platform_device *pdev)
156 {
157         int ret = 0;
158         struct snd_soc_card *card = &snd_soc_card_rk;
159         struct device_node *np = pdev->dev.of_node;
160
161         /* register the soc card */
162         card->dev = &pdev->dev;
163
164         rk_dailink.codecs->of_node = of_parse_phandle(np,
165                         "rockchip,audio-codec", 0);
166         if (!rk_dailink.codecs->of_node) {
167                 dev_err(&pdev->dev,
168                         "Property 'rockchip,audio-codec' missing or invalid\n");
169                 return -EINVAL;
170         }
171
172         rk_dailink.cpus->of_node = of_parse_phandle(np,
173                         "rockchip,i2s-controller", 0);
174         if (!rk_dailink.cpus->of_node) {
175                 dev_err(&pdev->dev,
176                         "Property 'rockchip,i2s-controller' missing or invalid\n");
177                 ret = -EINVAL;
178                 goto put_codec_of_node;
179         }
180
181         rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
182
183         ret = snd_soc_of_parse_card_name(card, "rockchip,model");
184         if (ret) {
185                 dev_err(&pdev->dev,
186                         "Soc parse card name failed %d\n", ret);
187                 goto put_cpu_of_node;
188         }
189
190         ret = devm_snd_soc_register_card(&pdev->dev, card);
191         if (ret) {
192                 dev_err(&pdev->dev,
193                         "Soc register card failed %d\n", ret);
194                 goto put_cpu_of_node;
195         }
196
197         return ret;
198
199 put_cpu_of_node:
200         of_node_put(rk_dailink.cpus->of_node);
201         rk_dailink.cpus->of_node = NULL;
202 put_codec_of_node:
203         of_node_put(rk_dailink.codecs->of_node);
204         rk_dailink.codecs->of_node = NULL;
205
206         return ret;
207 }
208
209 static int snd_rk_mc_remove(struct platform_device *pdev)
210 {
211         of_node_put(rk_dailink.cpus->of_node);
212         rk_dailink.cpus->of_node = NULL;
213         of_node_put(rk_dailink.codecs->of_node);
214         rk_dailink.codecs->of_node = NULL;
215
216         return 0;
217 }
218
219 static const struct of_device_id rockchip_rt5645_of_match[] = {
220         { .compatible = "rockchip,rockchip-audio-rt5645", },
221         {},
222 };
223
224 MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);
225
226 static struct platform_driver snd_rk_mc_driver = {
227         .probe = snd_rk_mc_probe,
228         .remove = snd_rk_mc_remove,
229         .driver = {
230                 .name = DRV_NAME,
231                 .pm = &snd_soc_pm_ops,
232                 .of_match_table = rockchip_rt5645_of_match,
233         },
234 };
235
236 module_platform_driver(snd_rk_mc_driver);
237
238 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
239 MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");
240 MODULE_LICENSE("GPL v2");
241 MODULE_ALIAS("platform:" DRV_NAME);