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Commit | Line | Data |
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86059653 | 1 | /* |
2 | * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC. | |
3 | * | |
4 | * Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms and conditions of the GNU General Public License, | |
8 | * version 2, as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | */ | |
19 | ||
20 | #include <linux/module.h> | |
21 | #include <linux/platform_device.h> | |
22 | #include <linux/slab.h> | |
23 | #include <linux/gpio.h> | |
24 | #include <linux/of_gpio.h> | |
25 | #include <linux/delay.h> | |
26 | #include <sound/core.h> | |
27 | #include <sound/jack.h> | |
28 | #include <sound/pcm.h> | |
29 | #include <sound/pcm_params.h> | |
30 | #include <sound/soc.h> | |
31 | #include "rockchip_i2s.h" | |
32 | ||
33 | #define DRV_NAME "rockchip-snd-rt5645" | |
34 | ||
35 | static struct snd_soc_jack headset_jack; | |
36 | ||
37 | /* Jack detect via rt5645 driver. */ | |
38 | extern int rt5645_set_jack_detect(struct snd_soc_codec *codec, | |
39 | struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack, | |
40 | struct snd_soc_jack *btn_jack); | |
41 | ||
42 | static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { | |
43 | SND_SOC_DAPM_HP("Headphones", NULL), | |
44 | SND_SOC_DAPM_SPK("Speakers", NULL), | |
45 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
46 | SND_SOC_DAPM_MIC("Int Mic", NULL), | |
47 | }; | |
48 | ||
49 | static const struct snd_soc_dapm_route rk_audio_map[] = { | |
50 | /* Input Lines */ | |
51 | {"DMIC L2", NULL, "Int Mic"}, | |
52 | {"DMIC R2", NULL, "Int Mic"}, | |
53 | {"RECMIXL", NULL, "Headset Mic"}, | |
54 | {"RECMIXR", NULL, "Headset Mic"}, | |
55 | ||
56 | /* Output Lines */ | |
57 | {"Headphones", NULL, "HPOR"}, | |
58 | {"Headphones", NULL, "HPOL"}, | |
59 | {"Speakers", NULL, "SPOL"}, | |
60 | {"Speakers", NULL, "SPOR"}, | |
61 | }; | |
62 | ||
63 | static const struct snd_kcontrol_new rk_mc_controls[] = { | |
64 | SOC_DAPM_PIN_SWITCH("Headphones"), | |
65 | SOC_DAPM_PIN_SWITCH("Speakers"), | |
66 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
67 | SOC_DAPM_PIN_SWITCH("Int Mic"), | |
68 | }; | |
69 | ||
70 | static int rk_aif1_hw_params(struct snd_pcm_substream *substream, | |
71 | struct snd_pcm_hw_params *params) | |
72 | { | |
73 | int ret = 0; | |
74 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
75 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
76 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
77 | int mclk; | |
78 | ||
79 | switch (params_rate(params)) { | |
80 | case 8000: | |
81 | case 16000: | |
3a3b070d CW |
82 | case 24000: |
83 | case 32000: | |
86059653 | 84 | case 48000: |
3a3b070d | 85 | case 64000: |
86059653 | 86 | case 96000: |
87 | mclk = 12288000; | |
88 | break; | |
3a3b070d CW |
89 | case 11025: |
90 | case 22050: | |
86059653 | 91 | case 44100: |
3a3b070d | 92 | case 88200: |
86059653 | 93 | mclk = 11289600; |
94 | break; | |
95 | default: | |
96 | return -EINVAL; | |
97 | } | |
98 | ||
99 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, | |
100 | SND_SOC_CLOCK_OUT); | |
101 | if (ret < 0) { | |
102 | dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); | |
103 | return ret; | |
104 | } | |
105 | ||
106 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, | |
107 | SND_SOC_CLOCK_IN); | |
108 | if (ret < 0) { | |
109 | dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); | |
110 | return ret; | |
111 | } | |
112 | ||
113 | return ret; | |
114 | } | |
115 | ||
116 | static int rk_init(struct snd_soc_pcm_runtime *runtime) | |
117 | { | |
118 | struct snd_soc_card *card = runtime->card; | |
119 | int ret; | |
120 | ||
121 | /* Enable Headset and 4 Buttons Jack detection */ | |
122 | ret = snd_soc_card_jack_new(card, "Headset Jack", | |
123 | SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | | |
124 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | | |
125 | SND_JACK_BTN_2 | SND_JACK_BTN_3, | |
126 | &headset_jack, NULL, 0); | |
f8ce2000 | 127 | if (ret) { |
86059653 | 128 | dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret); |
129 | return ret; | |
130 | } | |
131 | ||
132 | return rt5645_set_jack_detect(runtime->codec, | |
133 | &headset_jack, | |
134 | &headset_jack, | |
135 | &headset_jack); | |
136 | } | |
137 | ||
705e9994 | 138 | static const struct snd_soc_ops rk_aif1_ops = { |
86059653 | 139 | .hw_params = rk_aif1_hw_params, |
140 | }; | |
141 | ||
142 | static struct snd_soc_dai_link rk_dailink = { | |
143 | .name = "rt5645", | |
144 | .stream_name = "rt5645 PCM", | |
145 | .codec_dai_name = "rt5645-aif1", | |
146 | .init = rk_init, | |
147 | .ops = &rk_aif1_ops, | |
148 | /* set rt5645 as slave */ | |
149 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
150 | SND_SOC_DAIFMT_CBS_CFS, | |
151 | }; | |
152 | ||
153 | static struct snd_soc_card snd_soc_card_rk = { | |
154 | .name = "I2S-RT5650", | |
54d8697f | 155 | .owner = THIS_MODULE, |
86059653 | 156 | .dai_link = &rk_dailink, |
157 | .num_links = 1, | |
158 | .dapm_widgets = rk_dapm_widgets, | |
159 | .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), | |
160 | .dapm_routes = rk_audio_map, | |
161 | .num_dapm_routes = ARRAY_SIZE(rk_audio_map), | |
162 | .controls = rk_mc_controls, | |
163 | .num_controls = ARRAY_SIZE(rk_mc_controls), | |
164 | }; | |
165 | ||
166 | static 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 | /* register the soc card */ | |
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 | 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 | return ret; | |
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 | return ret; | |
205 | } | |
206 | ||
207 | return ret; | |
208 | } | |
209 | ||
210 | static const struct of_device_id rockchip_rt5645_of_match[] = { | |
211 | { .compatible = "rockchip,rockchip-audio-rt5645", }, | |
212 | {}, | |
213 | }; | |
214 | ||
215 | MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match); | |
216 | ||
217 | static struct platform_driver snd_rk_mc_driver = { | |
218 | .probe = snd_rk_mc_probe, | |
219 | .driver = { | |
220 | .name = DRV_NAME, | |
86059653 | 221 | .pm = &snd_soc_pm_ops, |
222 | .of_match_table = rockchip_rt5645_of_match, | |
223 | }, | |
224 | }; | |
225 | ||
226 | module_platform_driver(snd_rk_mc_driver); | |
227 | ||
228 | MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>"); | |
229 | MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver"); | |
230 | MODULE_LICENSE("GPL v2"); | |
231 | MODULE_ALIAS("platform:" DRV_NAME); |