2 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
4 * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved.
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.
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
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/>.
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>
31 #include "rockchip_i2s.h"
32 #include "../codecs/ts3a227e.h"
34 #define DRV_NAME "rockchip-snd-max98090"
36 static struct snd_soc_jack headset_jack;
38 /* Headset jack detection DAPM pins */
39 static struct snd_soc_jack_pin headset_jack_pins[] = {
42 .mask = SND_JACK_HEADPHONE,
46 .mask = SND_JACK_MICROPHONE,
51 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
52 SND_SOC_DAPM_HP("Headphone", NULL),
53 SND_SOC_DAPM_MIC("Headset Mic", NULL),
54 SND_SOC_DAPM_MIC("Int Mic", NULL),
55 SND_SOC_DAPM_SPK("Speaker", NULL),
58 static const struct snd_soc_dapm_route rk_audio_map[] = {
59 {"IN34", NULL, "Headset Mic"},
60 {"IN34", NULL, "MICBIAS"},
61 {"Headset Mic", NULL, "MICBIAS"},
62 {"DMICL", NULL, "Int Mic"},
63 {"Headphone", NULL, "HPL"},
64 {"Headphone", NULL, "HPR"},
65 {"Speaker", NULL, "SPKL"},
66 {"Speaker", NULL, "SPKR"},
69 static const struct snd_kcontrol_new rk_mc_controls[] = {
70 SOC_DAPM_PIN_SWITCH("Headphone"),
71 SOC_DAPM_PIN_SWITCH("Headset Mic"),
72 SOC_DAPM_PIN_SWITCH("Int Mic"),
73 SOC_DAPM_PIN_SWITCH("Speaker"),
76 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
77 struct snd_pcm_hw_params *params)
80 struct snd_soc_pcm_runtime *rtd = substream->private_data;
81 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
82 struct snd_soc_dai *codec_dai = rtd->codec_dai;
85 switch (params_rate(params)) {
105 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
108 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
112 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
115 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
122 static const struct snd_soc_ops rk_aif1_ops = {
123 .hw_params = rk_aif1_hw_params,
126 static struct snd_soc_dai_link rk_dailink = {
128 .stream_name = "Audio",
129 .codec_dai_name = "HiFi",
131 /* set max98090 as slave */
132 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
133 SND_SOC_DAIFMT_CBS_CFS,
136 static int rk_98090_headset_init(struct snd_soc_component *component);
138 static struct snd_soc_aux_dev rk_98090_headset_dev = {
139 .name = "Headset Chip",
140 .init = rk_98090_headset_init,
143 static struct snd_soc_card snd_soc_card_rk = {
144 .name = "ROCKCHIP-I2S",
145 .owner = THIS_MODULE,
146 .dai_link = &rk_dailink,
148 .aux_dev = &rk_98090_headset_dev,
150 .dapm_widgets = rk_dapm_widgets,
151 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
152 .dapm_routes = rk_audio_map,
153 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
154 .controls = rk_mc_controls,
155 .num_controls = ARRAY_SIZE(rk_mc_controls),
158 static int rk_98090_headset_init(struct snd_soc_component *component)
162 /* Enable Headset and 4 Buttons Jack detection */
163 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
165 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
166 SND_JACK_BTN_2 | SND_JACK_BTN_3,
169 ARRAY_SIZE(headset_jack_pins));
173 ret = ts3a227e_enable_jack_detect(component, &headset_jack);
178 static int snd_rk_mc_probe(struct platform_device *pdev)
181 struct snd_soc_card *card = &snd_soc_card_rk;
182 struct device_node *np = pdev->dev.of_node;
184 /* register the soc card */
185 card->dev = &pdev->dev;
187 rk_dailink.codec_of_node = of_parse_phandle(np,
188 "rockchip,audio-codec", 0);
189 if (!rk_dailink.codec_of_node) {
191 "Property 'rockchip,audio-codec' missing or invalid\n");
195 rk_dailink.cpu_of_node = of_parse_phandle(np,
196 "rockchip,i2s-controller", 0);
197 if (!rk_dailink.cpu_of_node) {
199 "Property 'rockchip,i2s-controller' missing or invalid\n");
203 rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
205 rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
206 "rockchip,headset-codec", 0);
207 if (!rk_98090_headset_dev.codec_of_node) {
209 "Property 'rockchip,headset-codec' missing/invalid\n");
213 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
216 "Soc parse card name failed %d\n", ret);
220 ret = devm_snd_soc_register_card(&pdev->dev, card);
223 "Soc register card failed %d\n", ret);
230 static const struct of_device_id rockchip_max98090_of_match[] = {
231 { .compatible = "rockchip,rockchip-audio-max98090", },
235 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
237 static struct platform_driver snd_rk_mc_driver = {
238 .probe = snd_rk_mc_probe,
241 .pm = &snd_soc_pm_ops,
242 .of_match_table = rockchip_max98090_of_match,
246 module_platform_driver(snd_rk_mc_driver);
248 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
249 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
250 MODULE_LICENSE("GPL v2");
251 MODULE_ALIAS("platform:" DRV_NAME);