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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>
18
19#include "rockchip_i2s.h"
20#include "../codecs/ts3a227e.h"
21
22#define DRV_NAME "rockchip-snd-max98090"
23
24static struct snd_soc_jack headset_jack;
25
26
27static struct snd_soc_jack_pin headset_jack_pins[] = {
28 {
29 .pin = "Headphone",
30 .mask = SND_JACK_HEADPHONE,
31 },
32 {
33 .pin = "Headset Mic",
34 .mask = SND_JACK_MICROPHONE,
35 },
36
37};
38
39static 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),
44};
45
46static 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"},
55};
56
57static 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"),
62};
63
64static int rk_jack_event(struct notifier_block *nb, unsigned long event,
65 void *data)
66{
67 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
68 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
69
70 if (event & SND_JACK_MICROPHONE)
71 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
72 else
73 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
74
75 snd_soc_dapm_sync(dapm);
76
77 return 0;
78}
79
80static struct notifier_block rk_jack_nb = {
81 .notifier_call = rk_jack_event,
82};
83
84static int rk_init(struct snd_soc_pcm_runtime *runtime)
85{
86
87
88
89
90 snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
91
92 return 0;
93}
94
95static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
96 struct snd_pcm_hw_params *params)
97{
98 int ret = 0;
99 struct snd_soc_pcm_runtime *rtd = substream->private_data;
100 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
101 struct snd_soc_dai *codec_dai = rtd->codec_dai;
102 int mclk;
103
104 switch (params_rate(params)) {
105 case 8000:
106 case 16000:
107 case 24000:
108 case 32000:
109 case 48000:
110 case 64000:
111 case 96000:
112 mclk = 12288000;
113 break;
114 case 11025:
115 case 22050:
116 case 44100:
117 case 88200:
118 mclk = 11289600;
119 break;
120 default:
121 return -EINVAL;
122 }
123
124 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
125 SND_SOC_CLOCK_OUT);
126 if (ret < 0) {
127 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
128 return ret;
129 }
130
131 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
132 SND_SOC_CLOCK_IN);
133 if (ret < 0) {
134 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
135 return ret;
136 }
137
138 return ret;
139}
140
141static const struct snd_soc_ops rk_aif1_ops = {
142 .hw_params = rk_aif1_hw_params,
143};
144
145SND_SOC_DAILINK_DEFS(hifi,
146 DAILINK_COMP_ARRAY(COMP_EMPTY()),
147 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
148 DAILINK_COMP_ARRAY(COMP_EMPTY()));
149
150static struct snd_soc_dai_link rk_dailink = {
151 .name = "max98090",
152 .stream_name = "Audio",
153 .init = rk_init,
154 .ops = &rk_aif1_ops,
155
156 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
157 SND_SOC_DAIFMT_CBS_CFS,
158 SND_SOC_DAILINK_REG(hifi),
159};
160
161static int rk_98090_headset_init(struct snd_soc_component *component);
162
163static struct snd_soc_aux_dev rk_98090_headset_dev = {
164 .name = "Headset Chip",
165 .init = rk_98090_headset_init,
166};
167
168static struct snd_soc_card snd_soc_card_rk = {
169 .name = "ROCKCHIP-I2S",
170 .owner = THIS_MODULE,
171 .dai_link = &rk_dailink,
172 .num_links = 1,
173 .aux_dev = &rk_98090_headset_dev,
174 .num_aux_devs = 1,
175 .dapm_widgets = rk_dapm_widgets,
176 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
177 .dapm_routes = rk_audio_map,
178 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
179 .controls = rk_mc_controls,
180 .num_controls = ARRAY_SIZE(rk_mc_controls),
181};
182
183static int rk_98090_headset_init(struct snd_soc_component *component)
184{
185 int ret;
186
187
188 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
189 SND_JACK_HEADSET |
190 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
191 SND_JACK_BTN_2 | SND_JACK_BTN_3,
192 &headset_jack,
193 headset_jack_pins,
194 ARRAY_SIZE(headset_jack_pins));
195 if (ret)
196 return ret;
197
198 ret = ts3a227e_enable_jack_detect(component, &headset_jack);
199
200 return ret;
201}
202
203static int snd_rk_mc_probe(struct platform_device *pdev)
204{
205 int ret = 0;
206 struct snd_soc_card *card = &snd_soc_card_rk;
207 struct device_node *np = pdev->dev.of_node;
208
209
210 card->dev = &pdev->dev;
211
212 rk_dailink.codecs->of_node = of_parse_phandle(np,
213 "rockchip,audio-codec", 0);
214 if (!rk_dailink.codecs->of_node) {
215 dev_err(&pdev->dev,
216 "Property 'rockchip,audio-codec' missing or invalid\n");
217 return -EINVAL;
218 }
219
220 rk_dailink.cpus->of_node = of_parse_phandle(np,
221 "rockchip,i2s-controller", 0);
222 if (!rk_dailink.cpus->of_node) {
223 dev_err(&pdev->dev,
224 "Property 'rockchip,i2s-controller' missing or invalid\n");
225 return -EINVAL;
226 }
227
228 rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
229
230 rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
231 "rockchip,headset-codec", 0);
232 if (!rk_98090_headset_dev.codec_of_node) {
233 dev_err(&pdev->dev,
234 "Property 'rockchip,headset-codec' missing/invalid\n");
235 return -EINVAL;
236 }
237
238 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
239 if (ret) {
240 dev_err(&pdev->dev,
241 "Soc parse card name failed %d\n", ret);
242 return ret;
243 }
244
245 ret = devm_snd_soc_register_card(&pdev->dev, card);
246 if (ret) {
247 dev_err(&pdev->dev,
248 "Soc register card failed %d\n", ret);
249 return ret;
250 }
251
252 return ret;
253}
254
255static const struct of_device_id rockchip_max98090_of_match[] = {
256 { .compatible = "rockchip,rockchip-audio-max98090", },
257 {},
258};
259
260MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
261
262static struct platform_driver snd_rk_mc_driver = {
263 .probe = snd_rk_mc_probe,
264 .driver = {
265 .name = DRV_NAME,
266 .pm = &snd_soc_pm_ops,
267 .of_match_table = rockchip_max98090_of_match,
268 },
269};
270
271module_platform_driver(snd_rk_mc_driver);
272
273MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
274MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
275MODULE_LICENSE("GPL v2");
276MODULE_ALIAS("platform:" DRV_NAME);
277
