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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_aif1_hw_params(struct snd_pcm_substream *substream,
65 struct snd_pcm_hw_params *params)
66{
67 int ret = 0;
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;
71 int mclk;
72
73 switch (params_rate(params)) {
74 case 8000:
75 case 16000:
76 case 24000:
77 case 32000:
78 case 48000:
79 case 64000:
80 case 96000:
81 mclk = 12288000;
82 break;
83 case 11025:
84 case 22050:
85 case 44100:
86 case 88200:
87 mclk = 11289600;
88 break;
89 default:
90 return -EINVAL;
91 }
92
93 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
94 SND_SOC_CLOCK_OUT);
95 if (ret < 0) {
96 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
97 return ret;
98 }
99
100 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
101 SND_SOC_CLOCK_IN);
102 if (ret < 0) {
103 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
104 return ret;
105 }
106
107 return ret;
108}
109
110static const struct snd_soc_ops rk_aif1_ops = {
111 .hw_params = rk_aif1_hw_params,
112};
113
114static struct snd_soc_dai_link rk_dailink = {
115 .name = "max98090",
116 .stream_name = "Audio",
117 .codec_dai_name = "HiFi",
118 .ops = &rk_aif1_ops,
119
120 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
121 SND_SOC_DAIFMT_CBS_CFS,
122};
123
124static int rk_98090_headset_init(struct snd_soc_component *component);
125
126static struct snd_soc_aux_dev rk_98090_headset_dev = {
127 .name = "Headset Chip",
128 .init = rk_98090_headset_init,
129};
130
131static struct snd_soc_card snd_soc_card_rk = {
132 .name = "ROCKCHIP-I2S",
133 .owner = THIS_MODULE,
134 .dai_link = &rk_dailink,
135 .num_links = 1,
136 .aux_dev = &rk_98090_headset_dev,
137 .num_aux_devs = 1,
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),
144};
145
146static int rk_98090_headset_init(struct snd_soc_component *component)
147{
148 int ret;
149
150
151 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
152 SND_JACK_HEADSET |
153 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
154 SND_JACK_BTN_2 | SND_JACK_BTN_3,
155 &headset_jack,
156 headset_jack_pins,
157 ARRAY_SIZE(headset_jack_pins));
158 if (ret)
159 return ret;
160
161 ret = ts3a227e_enable_jack_detect(component, &headset_jack);
162
163 return ret;
164}
165
166static int snd_rk_mc_probe(struct platform_device *pdev)
167{
168 int ret = 0;
169 struct snd_soc_card *card = &snd_soc_card_rk;
170 struct device_node *np = pdev->dev.of_node;
171
172
173 card->dev = &pdev->dev;
174
175 rk_dailink.codec_of_node = of_parse_phandle(np,
176 "rockchip,audio-codec", 0);
177 if (!rk_dailink.codec_of_node) {
178 dev_err(&pdev->dev,
179 "Property 'rockchip,audio-codec' missing or invalid\n");
180 return -EINVAL;
181 }
182
183 rk_dailink.cpu_of_node = of_parse_phandle(np,
184 "rockchip,i2s-controller", 0);
185 if (!rk_dailink.cpu_of_node) {
186 dev_err(&pdev->dev,
187 "Property 'rockchip,i2s-controller' missing or invalid\n");
188 return -EINVAL;
189 }
190
191 rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
192
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) {
196 dev_err(&pdev->dev,
197 "Property 'rockchip,headset-codec' missing/invalid\n");
198 return -EINVAL;
199 }
200
201 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
202 if (ret) {
203 dev_err(&pdev->dev,
204 "Soc parse card name failed %d\n", ret);
205 return ret;
206 }
207
208 ret = devm_snd_soc_register_card(&pdev->dev, card);
209 if (ret) {
210 dev_err(&pdev->dev,
211 "Soc register card failed %d\n", ret);
212 return ret;
213 }
214
215 return ret;
216}
217
218static const struct of_device_id rockchip_max98090_of_match[] = {
219 { .compatible = "rockchip,rockchip-audio-max98090", },
220 {},
221};
222
223MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
224
225static struct platform_driver snd_rk_mc_driver = {
226 .probe = snd_rk_mc_probe,
227 .driver = {
228 .name = DRV_NAME,
229 .pm = &snd_soc_pm_ops,
230 .of_match_table = rockchip_max98090_of_match,
231 },
232};
233
234module_platform_driver(snd_rk_mc_driver);
235
236MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
237MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
238MODULE_LICENSE("GPL v2");
239MODULE_ALIAS("platform:" DRV_NAME);
240