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: |
82 | case 48000: |
83 | case 96000: |
84 | mclk = 12288000; |
85 | break; |
86 | case 44100: |
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 | |
110 | static int rk_init(struct snd_soc_pcm_runtime *runtime) |
111 | { |
112 | struct snd_soc_card *card = runtime->card; |
113 | int ret; |
114 | |
115 | /* Enable Headset and 4 Buttons Jack detection */ |
116 | ret = snd_soc_card_jack_new(card, "Headset Jack", |
117 | SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | |
118 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
119 | SND_JACK_BTN_2 | SND_JACK_BTN_3, |
120 | &headset_jack, NULL, 0); |
f8ce2000 |
121 | if (ret) { |
86059653 |
122 | dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret); |
123 | return ret; |
124 | } |
125 | |
126 | return rt5645_set_jack_detect(runtime->codec, |
127 | &headset_jack, |
128 | &headset_jack, |
129 | &headset_jack); |
130 | } |
131 | |
132 | static struct snd_soc_ops rk_aif1_ops = { |
133 | .hw_params = rk_aif1_hw_params, |
134 | }; |
135 | |
136 | static struct snd_soc_dai_link rk_dailink = { |
137 | .name = "rt5645", |
138 | .stream_name = "rt5645 PCM", |
139 | .codec_dai_name = "rt5645-aif1", |
140 | .init = rk_init, |
141 | .ops = &rk_aif1_ops, |
142 | /* set rt5645 as slave */ |
143 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
144 | SND_SOC_DAIFMT_CBS_CFS, |
145 | }; |
146 | |
147 | static struct snd_soc_card snd_soc_card_rk = { |
148 | .name = "I2S-RT5650", |
54d8697f |
149 | .owner = THIS_MODULE, |
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150 | .dai_link = &rk_dailink, |
151 | .num_links = 1, |
152 | .dapm_widgets = rk_dapm_widgets, |
153 | .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), |
154 | .dapm_routes = rk_audio_map, |
155 | .num_dapm_routes = ARRAY_SIZE(rk_audio_map), |
156 | .controls = rk_mc_controls, |
157 | .num_controls = ARRAY_SIZE(rk_mc_controls), |
158 | }; |
159 | |
160 | static int snd_rk_mc_probe(struct platform_device *pdev) |
161 | { |
162 | int ret = 0; |
163 | struct snd_soc_card *card = &snd_soc_card_rk; |
164 | struct device_node *np = pdev->dev.of_node; |
165 | |
166 | /* register the soc card */ |
167 | card->dev = &pdev->dev; |
168 | |
169 | rk_dailink.codec_of_node = of_parse_phandle(np, |
170 | "rockchip,audio-codec", 0); |
171 | if (!rk_dailink.codec_of_node) { |
172 | dev_err(&pdev->dev, |
173 | "Property 'rockchip,audio-codec' missing or invalid\n"); |
174 | return -EINVAL; |
175 | } |
176 | |
177 | rk_dailink.cpu_of_node = of_parse_phandle(np, |
178 | "rockchip,i2s-controller", 0); |
179 | if (!rk_dailink.cpu_of_node) { |
180 | dev_err(&pdev->dev, |
181 | "Property 'rockchip,i2s-controller' missing or invalid\n"); |
182 | return -EINVAL; |
183 | } |
184 | |
185 | rk_dailink.platform_of_node = rk_dailink.cpu_of_node; |
186 | |
187 | ret = snd_soc_of_parse_card_name(card, "rockchip,model"); |
188 | if (ret) { |
189 | dev_err(&pdev->dev, |
190 | "Soc parse card name failed %d\n", ret); |
191 | return ret; |
192 | } |
193 | |
194 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
195 | if (ret) { |
196 | dev_err(&pdev->dev, |
197 | "Soc register card failed %d\n", ret); |
198 | return ret; |
199 | } |
200 | |
201 | return ret; |
202 | } |
203 | |
204 | static const struct of_device_id rockchip_rt5645_of_match[] = { |
205 | { .compatible = "rockchip,rockchip-audio-rt5645", }, |
206 | {}, |
207 | }; |
208 | |
209 | MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match); |
210 | |
211 | static struct platform_driver snd_rk_mc_driver = { |
212 | .probe = snd_rk_mc_probe, |
213 | .driver = { |
214 | .name = DRV_NAME, |
86059653 |
215 | .pm = &snd_soc_pm_ops, |
216 | .of_match_table = rockchip_rt5645_of_match, |
217 | }, |
218 | }; |
219 | |
220 | module_platform_driver(snd_rk_mc_driver); |
221 | |
222 | MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>"); |
223 | MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver"); |
224 | MODULE_LICENSE("GPL v2"); |
225 | MODULE_ALIAS("platform:" DRV_NAME); |