This source file includes following definitions.
- rk_jack_event
- rk_init
- rk_aif1_hw_params
- rk_aif1_startup
- rk_98090_headset_init
- snd_rk_mc_probe
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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
24 static struct snd_soc_jack headset_jack;
25
26
27 static 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
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),
44 };
45
46 static const struct snd_soc_dapm_route rk_audio_map[] = {
47 {"IN34", NULL, "Headset Mic"},
48 {"Headset Mic", NULL, "MICBIAS"},
49 {"DMICL", NULL, "Int Mic"},
50 {"Headphone", NULL, "HPL"},
51 {"Headphone", NULL, "HPR"},
52 {"Speaker", NULL, "SPKL"},
53 {"Speaker", NULL, "SPKR"},
54 };
55
56 static const struct snd_kcontrol_new rk_mc_controls[] = {
57 SOC_DAPM_PIN_SWITCH("Headphone"),
58 SOC_DAPM_PIN_SWITCH("Headset Mic"),
59 SOC_DAPM_PIN_SWITCH("Int Mic"),
60 SOC_DAPM_PIN_SWITCH("Speaker"),
61 };
62
63 static int rk_jack_event(struct notifier_block *nb, unsigned long event,
64 void *data)
65 {
66 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
67 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
68
69 if (event & SND_JACK_MICROPHONE) {
70 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
71 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
72 } else {
73 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
74 snd_soc_dapm_disable_pin(dapm, "SHDN");
75 }
76
77 snd_soc_dapm_sync(dapm);
78
79 return 0;
80 }
81
82 static struct notifier_block rk_jack_nb = {
83 .notifier_call = rk_jack_event,
84 };
85
86 static int rk_init(struct snd_soc_pcm_runtime *runtime)
87 {
88
89
90
91
92 snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
93
94 return 0;
95 }
96
97 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
98 struct snd_pcm_hw_params *params)
99 {
100 int ret = 0;
101 struct snd_soc_pcm_runtime *rtd = substream->private_data;
102 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
103 struct snd_soc_dai *codec_dai = rtd->codec_dai;
104 int mclk;
105
106 switch (params_rate(params)) {
107 case 8000:
108 case 16000:
109 case 24000:
110 case 32000:
111 case 48000:
112 case 64000:
113 case 96000:
114 mclk = 12288000;
115 break;
116 case 11025:
117 case 22050:
118 case 44100:
119 case 88200:
120 mclk = 11289600;
121 break;
122 default:
123 return -EINVAL;
124 }
125
126 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
127 SND_SOC_CLOCK_OUT);
128 if (ret < 0) {
129 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
130 return ret;
131 }
132
133 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
134 SND_SOC_CLOCK_IN);
135 if (ret < 0) {
136 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
137 return ret;
138 }
139
140 return ret;
141 }
142
143 static int rk_aif1_startup(struct snd_pcm_substream *substream)
144 {
145
146
147
148
149 return snd_pcm_hw_constraint_minmax(substream->runtime,
150 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
151 }
152
153 static const struct snd_soc_ops rk_aif1_ops = {
154 .hw_params = rk_aif1_hw_params,
155 .startup = rk_aif1_startup,
156 };
157
158 SND_SOC_DAILINK_DEFS(hifi,
159 DAILINK_COMP_ARRAY(COMP_EMPTY()),
160 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
161 DAILINK_COMP_ARRAY(COMP_EMPTY()));
162
163 static struct snd_soc_dai_link rk_dailink = {
164 .name = "max98090",
165 .stream_name = "Audio",
166 .init = rk_init,
167 .ops = &rk_aif1_ops,
168
169 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
170 SND_SOC_DAIFMT_CBS_CFS,
171 SND_SOC_DAILINK_REG(hifi),
172 };
173
174 static int rk_98090_headset_init(struct snd_soc_component *component);
175
176 static struct snd_soc_aux_dev rk_98090_headset_dev = {
177 .dlc = COMP_EMPTY(),
178 .init = rk_98090_headset_init,
179 };
180
181 static struct snd_soc_card snd_soc_card_rk = {
182 .name = "ROCKCHIP-I2S",
183 .owner = THIS_MODULE,
184 .dai_link = &rk_dailink,
185 .num_links = 1,
186 .aux_dev = &rk_98090_headset_dev,
187 .num_aux_devs = 1,
188 .dapm_widgets = rk_dapm_widgets,
189 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
190 .dapm_routes = rk_audio_map,
191 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
192 .controls = rk_mc_controls,
193 .num_controls = ARRAY_SIZE(rk_mc_controls),
194 };
195
196 static int rk_98090_headset_init(struct snd_soc_component *component)
197 {
198 int ret;
199
200
201 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
202 SND_JACK_HEADSET |
203 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
204 SND_JACK_BTN_2 | SND_JACK_BTN_3,
205 &headset_jack,
206 headset_jack_pins,
207 ARRAY_SIZE(headset_jack_pins));
208 if (ret)
209 return ret;
210
211 ret = ts3a227e_enable_jack_detect(component, &headset_jack);
212
213 return ret;
214 }
215
216 static int snd_rk_mc_probe(struct platform_device *pdev)
217 {
218 int ret = 0;
219 struct snd_soc_card *card = &snd_soc_card_rk;
220 struct device_node *np = pdev->dev.of_node;
221
222
223 card->dev = &pdev->dev;
224
225 rk_dailink.codecs->of_node = of_parse_phandle(np,
226 "rockchip,audio-codec", 0);
227 if (!rk_dailink.codecs->of_node) {
228 dev_err(&pdev->dev,
229 "Property 'rockchip,audio-codec' missing or invalid\n");
230 return -EINVAL;
231 }
232
233 rk_dailink.cpus->of_node = of_parse_phandle(np,
234 "rockchip,i2s-controller", 0);
235 if (!rk_dailink.cpus->of_node) {
236 dev_err(&pdev->dev,
237 "Property 'rockchip,i2s-controller' missing or invalid\n");
238 return -EINVAL;
239 }
240
241 rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
242
243 rk_98090_headset_dev.dlc.of_node = of_parse_phandle(np,
244 "rockchip,headset-codec", 0);
245 if (!rk_98090_headset_dev.dlc.of_node) {
246 dev_err(&pdev->dev,
247 "Property 'rockchip,headset-codec' missing/invalid\n");
248 return -EINVAL;
249 }
250
251 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
252 if (ret) {
253 dev_err(&pdev->dev,
254 "Soc parse card name failed %d\n", ret);
255 return ret;
256 }
257
258 ret = devm_snd_soc_register_card(&pdev->dev, card);
259 if (ret) {
260 dev_err(&pdev->dev,
261 "Soc register card failed %d\n", ret);
262 return ret;
263 }
264
265 return ret;
266 }
267
268 static const struct of_device_id rockchip_max98090_of_match[] = {
269 { .compatible = "rockchip,rockchip-audio-max98090", },
270 {},
271 };
272
273 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
274
275 static struct platform_driver snd_rk_mc_driver = {
276 .probe = snd_rk_mc_probe,
277 .driver = {
278 .name = DRV_NAME,
279 .pm = &snd_soc_pm_ops,
280 .of_match_table = rockchip_max98090_of_match,
281 },
282 };
283
284 module_platform_driver(snd_rk_mc_driver);
285
286 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
287 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
288 MODULE_LICENSE("GPL v2");
289 MODULE_ALIAS("platform:" DRV_NAME);