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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 <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
24static struct snd_soc_jack headset_jack;
25
26static 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
33static const struct snd_soc_dapm_route rk_audio_map[] = {
34
35 {"DMIC L2", NULL, "Int Mic"},
36 {"DMIC R2", NULL, "Int Mic"},
37 {"RECMIXL", NULL, "Headset Mic"},
38 {"RECMIXR", NULL, "Headset Mic"},
39
40
41 {"Headphones", NULL, "HPOR"},
42 {"Headphones", NULL, "HPOL"},
43 {"Speakers", NULL, "SPOL"},
44 {"Speakers", NULL, "SPOR"},
45};
46
47static 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
54static 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
100static int rk_init(struct snd_soc_pcm_runtime *runtime)
101{
102 struct snd_soc_card *card = runtime->card;
103 int ret;
104
105
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, NULL, 0);
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
122static const struct snd_soc_ops rk_aif1_ops = {
123 .hw_params = rk_aif1_hw_params,
124};
125
126SND_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
131static 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
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
142static 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
155static 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
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
199put_cpu_of_node:
200 of_node_put(rk_dailink.cpus->of_node);
201 rk_dailink.cpus->of_node = NULL;
202put_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
209static 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
219static const struct of_device_id rockchip_rt5645_of_match[] = {
220 { .compatible = "rockchip,rockchip-audio-rt5645", },
221 {},
222};
223
224MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);
225
226static 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
236module_platform_driver(snd_rk_mc_driver);
237
238MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
239MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");
240MODULE_LICENSE("GPL v2");
241MODULE_ALIAS("platform:" DRV_NAME);
242
