2 * mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs
4 * Copyright (c) 2016 MediaTek Inc.
5 * Author: Koro Chen <koro.chen@mediatek.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 and
9 * only version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
17 #include <linux/module.h>
18 #include <linux/gpio.h>
19 #include <linux/of_gpio.h>
20 #include <sound/soc.h>
21 #include <sound/jack.h>
22 #include "../codecs/rt5645.h"
24 #define MCLK_FOR_CODECS 12288000
26 static const struct snd_soc_dapm_widget mt8173_rt5650_widgets
[] = {
27 SND_SOC_DAPM_SPK("Speaker", NULL
),
28 SND_SOC_DAPM_MIC("Int Mic", NULL
),
29 SND_SOC_DAPM_HP("Headphone", NULL
),
30 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
33 static const struct snd_soc_dapm_route mt8173_rt5650_routes
[] = {
34 {"Speaker", NULL
, "SPOL"},
35 {"Speaker", NULL
, "SPOR"},
36 {"DMIC L1", NULL
, "Int Mic"},
37 {"DMIC R1", NULL
, "Int Mic"},
38 {"Headphone", NULL
, "HPOL"},
39 {"Headphone", NULL
, "HPOR"},
40 {"Headset Mic", NULL
, "micbias1"},
41 {"Headset Mic", NULL
, "micbias2"},
42 {"IN1P", NULL
, "Headset Mic"},
43 {"IN1N", NULL
, "Headset Mic"},
46 static const struct snd_kcontrol_new mt8173_rt5650_controls
[] = {
47 SOC_DAPM_PIN_SWITCH("Speaker"),
48 SOC_DAPM_PIN_SWITCH("Int Mic"),
49 SOC_DAPM_PIN_SWITCH("Headphone"),
50 SOC_DAPM_PIN_SWITCH("Headset Mic"),
53 static int mt8173_rt5650_hw_params(struct snd_pcm_substream
*substream
,
54 struct snd_pcm_hw_params
*params
)
56 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
59 for (i
= 0; i
< rtd
->num_codecs
; i
++) {
60 struct snd_soc_dai
*codec_dai
= rtd
->codec_dais
[i
];
62 /* pll from mclk 12.288M */
63 ret
= snd_soc_dai_set_pll(codec_dai
, 0, 0, MCLK_FOR_CODECS
,
64 params_rate(params
) * 512);
69 ret
= snd_soc_dai_set_sysclk(codec_dai
, 1,
70 params_rate(params
) * 512,
78 static struct snd_soc_ops mt8173_rt5650_ops
= {
79 .hw_params
= mt8173_rt5650_hw_params
,
82 static struct snd_soc_jack mt8173_rt5650_jack
;
84 static int mt8173_rt5650_init(struct snd_soc_pcm_runtime
*runtime
)
86 struct snd_soc_card
*card
= runtime
->card
;
87 struct snd_soc_codec
*codec
= runtime
->codec_dais
[0]->codec
;
90 rt5645_sel_asrc_clk_src(codec
,
91 RT5645_DA_STEREO_FILTER
|
92 RT5645_AD_STEREO_FILTER
,
93 RT5645_CLK_SEL_I2S1_ASRC
);
94 /* enable jack detection */
95 ret
= snd_soc_card_jack_new(card
, "Headset Jack",
96 SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
|
97 SND_JACK_BTN_0
| SND_JACK_BTN_1
|
98 SND_JACK_BTN_2
| SND_JACK_BTN_3
,
99 &mt8173_rt5650_jack
, NULL
, 0);
101 dev_err(card
->dev
, "Can't new Headset Jack %d\n", ret
);
105 return rt5645_set_jack_detect(codec
,
108 &mt8173_rt5650_jack
);
111 static struct snd_soc_dai_link_component mt8173_rt5650_codecs
[] = {
113 .dai_name
= "rt5645-aif1",
123 /* Digital audio interface glue - connects codec <---> CPU */
124 static struct snd_soc_dai_link mt8173_rt5650_dais
[] = {
125 /* Front End DAI links */
126 [DAI_LINK_PLAYBACK
] = {
127 .name
= "rt5650 Playback",
128 .stream_name
= "rt5650 Playback",
129 .cpu_dai_name
= "DL1",
130 .codec_name
= "snd-soc-dummy",
131 .codec_dai_name
= "snd-soc-dummy-dai",
132 .trigger
= {SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
136 [DAI_LINK_CAPTURE
] = {
137 .name
= "rt5650 Capture",
138 .stream_name
= "rt5650 Capture",
139 .cpu_dai_name
= "VUL",
140 .codec_name
= "snd-soc-dummy",
141 .codec_dai_name
= "snd-soc-dummy-dai",
142 .trigger
= {SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
146 /* Back End DAI links */
147 [DAI_LINK_CODEC_I2S
] = {
149 .cpu_dai_name
= "I2S",
151 .codecs
= mt8173_rt5650_codecs
,
153 .init
= mt8173_rt5650_init
,
154 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
|
155 SND_SOC_DAIFMT_CBS_CFS
,
156 .ops
= &mt8173_rt5650_ops
,
157 .ignore_pmdown_time
= 1,
163 static struct snd_soc_card mt8173_rt5650_card
= {
164 .name
= "mtk-rt5650",
165 .owner
= THIS_MODULE
,
166 .dai_link
= mt8173_rt5650_dais
,
167 .num_links
= ARRAY_SIZE(mt8173_rt5650_dais
),
168 .controls
= mt8173_rt5650_controls
,
169 .num_controls
= ARRAY_SIZE(mt8173_rt5650_controls
),
170 .dapm_widgets
= mt8173_rt5650_widgets
,
171 .num_dapm_widgets
= ARRAY_SIZE(mt8173_rt5650_widgets
),
172 .dapm_routes
= mt8173_rt5650_routes
,
173 .num_dapm_routes
= ARRAY_SIZE(mt8173_rt5650_routes
),
176 static int mt8173_rt5650_dev_probe(struct platform_device
*pdev
)
178 struct snd_soc_card
*card
= &mt8173_rt5650_card
;
179 struct device_node
*platform_node
;
182 platform_node
= of_parse_phandle(pdev
->dev
.of_node
,
183 "mediatek,platform", 0);
184 if (!platform_node
) {
185 dev_err(&pdev
->dev
, "Property 'platform' missing or invalid\n");
189 for (i
= 0; i
< card
->num_links
; i
++) {
190 if (mt8173_rt5650_dais
[i
].platform_name
)
192 mt8173_rt5650_dais
[i
].platform_of_node
= platform_node
;
195 mt8173_rt5650_codecs
[0].of_node
=
196 of_parse_phandle(pdev
->dev
.of_node
, "mediatek,audio-codec", 0);
197 if (!mt8173_rt5650_codecs
[0].of_node
) {
199 "Property 'audio-codec' missing or invalid\n");
202 card
->dev
= &pdev
->dev
;
203 platform_set_drvdata(pdev
, card
);
205 ret
= devm_snd_soc_register_card(&pdev
->dev
, card
);
207 dev_err(&pdev
->dev
, "%s snd_soc_register_card fail %d\n",
212 static const struct of_device_id mt8173_rt5650_dt_match
[] = {
213 { .compatible
= "mediatek,mt8173-rt5650", },
216 MODULE_DEVICE_TABLE(of
, mt8173_rt5650_dt_match
);
218 static struct platform_driver mt8173_rt5650_driver
= {
220 .name
= "mtk-rt5650",
221 .of_match_table
= mt8173_rt5650_dt_match
,
223 .pm
= &snd_soc_pm_ops
,
226 .probe
= mt8173_rt5650_dev_probe
,
229 module_platform_driver(mt8173_rt5650_driver
);
231 /* Module information */
232 MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
233 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
234 MODULE_LICENSE("GPL v2");
235 MODULE_ALIAS("platform:mtk-rt5650");