Merge remote-tracking branch 'asoc/topic/twl6040' into asoc-next
[linux-2.6-microblaze.git] / sound / soc / rockchip / rockchip_max98090.c
1 /*
2  * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
3  *
4  * Copyright (c) 2014, 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 <sound/core.h>
26 #include <sound/jack.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30
31 #include "rockchip_i2s.h"
32 #include "../codecs/ts3a227e.h"
33
34 #define DRV_NAME "rockchip-snd-max98090"
35
36 static struct snd_soc_jack headset_jack;
37 static struct snd_soc_jack_pin headset_jack_pins[] = {
38         {
39                 .pin = "Headset Jack",
40                 .mask = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
41                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
42                         SND_JACK_BTN_2 | SND_JACK_BTN_3,
43         },
44 };
45
46 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
47         SND_SOC_DAPM_HP("Headphone", NULL),
48         SND_SOC_DAPM_MIC("Headset Mic", NULL),
49         SND_SOC_DAPM_MIC("Int Mic", NULL),
50         SND_SOC_DAPM_SPK("Speaker", NULL),
51 };
52
53 static const struct snd_soc_dapm_route rk_audio_map[] = {
54         {"IN34", NULL, "Headset Mic"},
55         {"IN34", NULL, "MICBIAS"},
56         {"MICBIAS", NULL, "Headset Mic"},
57         {"DMICL", NULL, "Int Mic"},
58         {"Headphone", NULL, "HPL"},
59         {"Headphone", NULL, "HPR"},
60         {"Speaker", NULL, "SPKL"},
61         {"Speaker", NULL, "SPKR"},
62 };
63
64 static const struct snd_kcontrol_new rk_mc_controls[] = {
65         SOC_DAPM_PIN_SWITCH("Headphone"),
66         SOC_DAPM_PIN_SWITCH("Headset Mic"),
67         SOC_DAPM_PIN_SWITCH("Int Mic"),
68         SOC_DAPM_PIN_SWITCH("Speaker"),
69 };
70
71 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
72                              struct snd_pcm_hw_params *params)
73 {
74         int ret = 0;
75         struct snd_soc_pcm_runtime *rtd = substream->private_data;
76         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
77         struct snd_soc_dai *codec_dai = rtd->codec_dai;
78         int mclk;
79
80         switch (params_rate(params)) {
81         case 8000:
82         case 16000:
83         case 24000:
84         case 32000:
85         case 48000:
86         case 64000:
87         case 96000:
88                 mclk = 12288000;
89                 break;
90         case 11025:
91         case 22050:
92         case 44100:
93         case 88200:
94                 mclk = 11289600;
95                 break;
96         default:
97                 return -EINVAL;
98         }
99
100         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
101                                      SND_SOC_CLOCK_OUT);
102         if (ret < 0) {
103                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
104                 return ret;
105         }
106
107         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
108                                      SND_SOC_CLOCK_IN);
109         if (ret < 0) {
110                 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
111                 return ret;
112         }
113
114         return ret;
115 }
116
117 static int rk_init(struct snd_soc_pcm_runtime *runtime)
118 {
119         /* Enable Headset and 4 Buttons Jack detection */
120         return snd_soc_card_jack_new(runtime->card, "Headset Jack",
121                                SND_JACK_HEADSET |
122                                SND_JACK_BTN_0 | SND_JACK_BTN_1 |
123                                SND_JACK_BTN_2 | SND_JACK_BTN_3,
124                                &headset_jack,
125                                headset_jack_pins,
126                                ARRAY_SIZE(headset_jack_pins));
127 }
128
129 static int rk_98090_headset_init(struct snd_soc_component *component)
130 {
131         return ts3a227e_enable_jack_detect(component, &headset_jack);
132 }
133
134 static struct snd_soc_ops rk_aif1_ops = {
135         .hw_params = rk_aif1_hw_params,
136 };
137
138 static struct snd_soc_aux_dev rk_98090_headset_dev = {
139         .name = "Headset Chip",
140         .init = rk_98090_headset_init,
141 };
142
143 static struct snd_soc_dai_link rk_dailink = {
144         .name = "max98090",
145         .stream_name = "Audio",
146         .codec_dai_name = "HiFi",
147         .init = rk_init,
148         .ops = &rk_aif1_ops,
149         /* set max98090 as slave */
150         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
151                 SND_SOC_DAIFMT_CBS_CFS,
152 };
153
154 static struct snd_soc_card snd_soc_card_rk = {
155         .name = "ROCKCHIP-I2S",
156         .owner = THIS_MODULE,
157         .dai_link = &rk_dailink,
158         .num_links = 1,
159         .aux_dev = &rk_98090_headset_dev,
160         .num_aux_devs = 1,
161         .dapm_widgets = rk_dapm_widgets,
162         .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
163         .dapm_routes = rk_audio_map,
164         .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
165         .controls = rk_mc_controls,
166         .num_controls = ARRAY_SIZE(rk_mc_controls),
167 };
168
169 static int snd_rk_mc_probe(struct platform_device *pdev)
170 {
171         int ret = 0;
172         struct snd_soc_card *card = &snd_soc_card_rk;
173         struct device_node *np = pdev->dev.of_node;
174
175         /* register the soc card */
176         card->dev = &pdev->dev;
177
178         rk_dailink.codec_of_node = of_parse_phandle(np,
179                         "rockchip,audio-codec", 0);
180         if (!rk_dailink.codec_of_node) {
181                 dev_err(&pdev->dev,
182                         "Property 'rockchip,audio-codec' missing or invalid\n");
183                 return -EINVAL;
184         }
185
186         rk_dailink.cpu_of_node = of_parse_phandle(np,
187                         "rockchip,i2s-controller", 0);
188         if (!rk_dailink.cpu_of_node) {
189                 dev_err(&pdev->dev,
190                         "Property 'rockchip,i2s-controller' missing or invalid\n");
191                 return -EINVAL;
192         }
193
194         rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
195
196         rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
197                         "rockchip,headset-codec", 0);
198         if (!rk_98090_headset_dev.codec_of_node) {
199                 dev_err(&pdev->dev,
200                         "Property 'rockchip,headset-codec' missing/invalid\n");
201                 return -EINVAL;
202         }
203
204         ret = snd_soc_of_parse_card_name(card, "rockchip,model");
205         if (ret) {
206                 dev_err(&pdev->dev,
207                         "Soc parse card name failed %d\n", ret);
208                 return ret;
209         }
210
211         ret = devm_snd_soc_register_card(&pdev->dev, card);
212         if (ret) {
213                 dev_err(&pdev->dev,
214                         "Soc register card failed %d\n", ret);
215                 return ret;
216         }
217
218         return ret;
219 }
220
221 static const struct of_device_id rockchip_max98090_of_match[] = {
222         { .compatible = "rockchip,rockchip-audio-max98090", },
223         {},
224 };
225
226 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
227
228 static struct platform_driver snd_rk_mc_driver = {
229         .probe = snd_rk_mc_probe,
230         .driver = {
231                 .name = DRV_NAME,
232                 .pm = &snd_soc_pm_ops,
233                 .of_match_table = rockchip_max98090_of_match,
234         },
235 };
236
237 module_platform_driver(snd_rk_mc_driver);
238
239 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
240 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
241 MODULE_LICENSE("GPL v2");
242 MODULE_ALIAS("platform:" DRV_NAME);