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;
37 static struct snd_soc_jack_pin headset_jack_pins[] = {
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,
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),
53 static const struct snd_soc_dapm_route rk_audio_map[] = {
54 {"IN34", NULL, "Headset Mic"},
55 {"IN34", NULL, "MICBIAS"},
56 {"Headset Mic", NULL, "MICBIAS"},
57 {"DMICL", NULL, "Int Mic"},
58 {"Headphone", NULL, "HPL"},
59 {"Headphone", NULL, "HPR"},
60 {"Speaker", NULL, "SPKL"},
61 {"Speaker", NULL, "SPKR"},
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"),
71 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
72 struct snd_pcm_hw_params *params)
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;
80 switch (params_rate(params)) {
100 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
103 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
107 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
110 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
117 static struct snd_soc_ops rk_aif1_ops = {
118 .hw_params = rk_aif1_hw_params,
121 static struct snd_soc_dai_link rk_dailink = {
123 .stream_name = "Audio",
124 .codec_dai_name = "HiFi",
126 /* set max98090 as slave */
127 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
128 SND_SOC_DAIFMT_CBS_CFS,
131 static int rk_98090_headset_init(struct snd_soc_component *component);
133 static struct snd_soc_aux_dev rk_98090_headset_dev = {
134 .name = "Headset Chip",
135 .init = rk_98090_headset_init,
138 static struct snd_soc_card snd_soc_card_rk = {
139 .name = "ROCKCHIP-I2S",
140 .owner = THIS_MODULE,
141 .dai_link = &rk_dailink,
143 .aux_dev = &rk_98090_headset_dev,
145 .dapm_widgets = rk_dapm_widgets,
146 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
147 .dapm_routes = rk_audio_map,
148 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
149 .controls = rk_mc_controls,
150 .num_controls = ARRAY_SIZE(rk_mc_controls),
153 static int rk_98090_headset_init(struct snd_soc_component *component)
157 /* Enable Headset and 4 Buttons Jack detection */
158 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
160 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
161 SND_JACK_BTN_2 | SND_JACK_BTN_3,
164 ARRAY_SIZE(headset_jack_pins));
168 ret = ts3a227e_enable_jack_detect(component, &headset_jack);
173 static int snd_rk_mc_probe(struct platform_device *pdev)
176 struct snd_soc_card *card = &snd_soc_card_rk;
177 struct device_node *np = pdev->dev.of_node;
179 /* register the soc card */
180 card->dev = &pdev->dev;
182 rk_dailink.codec_of_node = of_parse_phandle(np,
183 "rockchip,audio-codec", 0);
184 if (!rk_dailink.codec_of_node) {
186 "Property 'rockchip,audio-codec' missing or invalid\n");
190 rk_dailink.cpu_of_node = of_parse_phandle(np,
191 "rockchip,i2s-controller", 0);
192 if (!rk_dailink.cpu_of_node) {
194 "Property 'rockchip,i2s-controller' missing or invalid\n");
198 rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
200 rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
201 "rockchip,headset-codec", 0);
202 if (!rk_98090_headset_dev.codec_of_node) {
204 "Property 'rockchip,headset-codec' missing/invalid\n");
208 ret = snd_soc_of_parse_card_name(card, "rockchip,model");
211 "Soc parse card name failed %d\n", ret);
215 ret = devm_snd_soc_register_card(&pdev->dev, card);
218 "Soc register card failed %d\n", ret);
225 static const struct of_device_id rockchip_max98090_of_match[] = {
226 { .compatible = "rockchip,rockchip-audio-max98090", },
230 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
232 static struct platform_driver snd_rk_mc_driver = {
233 .probe = snd_rk_mc_probe,
236 .pm = &snd_soc_pm_ops,
237 .of_match_table = rockchip_max98090_of_match,
241 module_platform_driver(snd_rk_mc_driver);
243 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
244 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
245 MODULE_LICENSE("GPL v2");
246 MODULE_ALIAS("platform:" DRV_NAME);