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8#include <linux/module.h>
9#include <linux/platform_device.h>
10#include <linux/slab.h>
11#include <linux/delay.h>
12#include <sound/core.h>
13#include <sound/jack.h>
14#include <sound/pcm.h>
15#include <sound/pcm_params.h>
16#include <sound/soc.h>
17#include "rockchip_i2s.h"
18#include "../codecs/rt5645.h"
19
20#define DRV_NAME "rockchip-snd-rt5645"
21
22static struct snd_soc_jack headset_jack;
23static struct snd_soc_jack_pin headset_jack_pins[] = {
24 {
25 .pin = "Headphones",
26 .mask = SND_JACK_HEADPHONE,
27 },
28 {
29 .pin = "Headset Mic",
30 .mask = SND_JACK_MICROPHONE,
31 },
32};
33
34static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
35 SND_SOC_DAPM_HP("Headphones", NULL),
36 SND_SOC_DAPM_SPK("Speakers", NULL),
37 SND_SOC_DAPM_MIC("Headset Mic", NULL),
38 SND_SOC_DAPM_MIC("Int Mic", NULL),
39};
40
41static const struct snd_soc_dapm_route rk_audio_map[] = {
42
43 {"DMIC L2", NULL, "Int Mic"},
44 {"DMIC R2", NULL, "Int Mic"},
45 {"RECMIXL", NULL, "Headset Mic"},
46 {"RECMIXR", NULL, "Headset Mic"},
47
48
49 {"Headphones", NULL, "HPOR"},
50 {"Headphones", NULL, "HPOL"},
51 {"Speakers", NULL, "SPOL"},
52 {"Speakers", NULL, "SPOR"},
53};
54
55static const struct snd_kcontrol_new rk_mc_controls[] = {
56 SOC_DAPM_PIN_SWITCH("Headphones"),
57 SOC_DAPM_PIN_SWITCH("Speakers"),
58 SOC_DAPM_PIN_SWITCH("Headset Mic"),
59 SOC_DAPM_PIN_SWITCH("Int Mic"),
60};
61
62static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
63 struct snd_pcm_hw_params *params)
64{
65 int ret = 0;
66 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
67 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
68 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
69 int mclk;
70
71 switch (params_rate(params)) {
72 case 8000:
73 case 16000:
74 case 24000:
75 case 32000:
76 case 48000:
77 case 64000:
78 case 96000:
79 mclk = 12288000;
80 break;
81 case 11025:
82 case 22050:
83 case 44100:
84 case 88200:
85 mclk = 11289600;
86 break;
87 default:
88 return -EINVAL;
89 }
90
91 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
92 SND_SOC_CLOCK_OUT);
93 if (ret < 0) {
94 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
95 return ret;
96 }
97
98 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
99 SND_SOC_CLOCK_IN);
100 if (ret < 0) {
101 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
102 return ret;
103 }
104
105 return ret;
106}
107
108static int rk_init(struct snd_soc_pcm_runtime *runtime)
109{
110 struct snd_soc_card *card = runtime->card;
111 int ret;
112
113
114 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
115 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
116 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
117 SND_JACK_BTN_2 | SND_JACK_BTN_3,
118 &headset_jack,
119 headset_jack_pins,
120 ARRAY_SIZE(headset_jack_pins));
121 if (ret) {
122 dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);
123 return ret;
124 }
125
126 return rt5645_set_jack_detect(snd_soc_rtd_to_codec(runtime, 0)->component,
127 &headset_jack,
128 &headset_jack,
129 &headset_jack);
130}
131
132static const struct snd_soc_ops rk_aif1_ops = {
133 .hw_params = rk_aif1_hw_params,
134};
135
136SND_SOC_DAILINK_DEFS(pcm,
137 DAILINK_COMP_ARRAY(COMP_EMPTY()),
138 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")),
139 DAILINK_COMP_ARRAY(COMP_EMPTY()));
140
141static struct snd_soc_dai_link rk_dailink = {
142 .name = "rt5645",
143 .stream_name = "rt5645 PCM",
144 .init = rk_init,
145 .ops = &rk_aif1_ops,
146
147 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
148 SND_SOC_DAIFMT_CBC_CFC,
149 SND_SOC_DAILINK_REG(pcm),
150};
151
152static struct snd_soc_card snd_soc_card_rk = {
153 .name = "I2S-RT5650",
154 .owner = THIS_MODULE,
155 .dai_link = &rk_dailink,
156 .num_links = 1,
157 .dapm_widgets = rk_dapm_widgets,
158 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
159 .dapm_routes = rk_audio_map,
160 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
161 .controls = rk_mc_controls,
162 .num_controls = ARRAY_SIZE(rk_mc_controls),
163};
164
165static int snd_rk_mc_probe(struct platform_device *pdev)
166{
167 int ret = 0;
168 struct snd_soc_card *card = &snd_soc_card_rk;
169 struct device_node *np = pdev->dev.of_node;
170
171
172 card->dev = &pdev->dev;
173
174 rk_dailink.codecs->of_node = of_parse_phandle(np,
175 "rockchip,audio-codec", 0);
176 if (!rk_dailink.codecs->of_node) {
177 dev_err(&pdev->dev,
178 "Property 'rockchip,audio-codec' missing or invalid\n");
179 return -EINVAL;
180 }
181
182 rk_dailink.cpus->of_node = of_parse_phandle(np,
183 "rockchip,i2s-controller", 0);
184 if (!rk_dailink.cpus->of_node) {
185 dev_err(&pdev->dev,
186 "Property 'rockchip,i2s-controller' missing or invalid\n");
187 ret = -EINVAL;
188 goto put_codec_of_node;
189 }
190
191 rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
192
193 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
194 if (ret) {
195 dev_err(&pdev->dev,
196 "Soc parse card name failed %d\n", ret);
197 goto put_cpu_of_node;
198 }
199
200 ret = devm_snd_soc_register_card(&pdev->dev, card);
201 if (ret) {
202 dev_err(&pdev->dev,
203 "Soc register card failed %d\n", ret);
204 goto put_cpu_of_node;
205 }
206
207 return ret;
208
209put_cpu_of_node:
210 of_node_put(rk_dailink.cpus->of_node);
211 rk_dailink.cpus->of_node = NULL;
212put_codec_of_node:
213 of_node_put(rk_dailink.codecs->of_node);
214 rk_dailink.codecs->of_node = NULL;
215
216 return ret;
217}
218
219static void snd_rk_mc_remove(struct platform_device *pdev)
220{
221 of_node_put(rk_dailink.cpus->of_node);
222 rk_dailink.cpus->of_node = NULL;
223 of_node_put(rk_dailink.codecs->of_node);
224 rk_dailink.codecs->of_node = NULL;
225}
226
227static const struct of_device_id rockchip_rt5645_of_match[] = {
228 { .compatible = "rockchip,rockchip-audio-rt5645", },
229 {},
230};
231
232MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);
233
234static struct platform_driver snd_rk_mc_driver = {
235 .probe = snd_rk_mc_probe,
236 .remove = snd_rk_mc_remove,
237 .driver = {
238 .name = DRV_NAME,
239 .pm = &snd_soc_pm_ops,
240 .of_match_table = rockchip_rt5645_of_match,
241 },
242};
243
244module_platform_driver(snd_rk_mc_driver);
245
246MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
247MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");
248MODULE_LICENSE("GPL v2");
249MODULE_ALIAS("platform:" DRV_NAME);
250
