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Linux/sound/soc/amd/acp-rt5645.c

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  1 /*
  2  * Machine driver for AMD ACP Audio engine using Realtek RT5645 codec
  3  *
  4  * Copyright 2017 Advanced Micro Devices, Inc.
  5  *
  6  * This file is modified from rt288 machine driver
  7  *
  8  * Permission is hereby granted, free of charge, to any person obtaining a
  9  * copy of this software and associated documentation files (the "Software"),
 10  * to deal in the Software without restriction, including without limitation
 11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 12  * and/or sell copies of the Software, and to permit persons to whom the
 13  * Software is furnished to do so, subject to the following conditions:
 14  *
 15  * The above copyright notice and this permission notice shall be included in
 16  * all copies or substantial portions of the Software.
 17  *
 18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 21  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 24  * OTHER DEALINGS IN THE SOFTWARE.
 25  *
 26  *
 27  */
 28 
 29 #include <sound/core.h>
 30 #include <sound/soc.h>
 31 #include <sound/pcm.h>
 32 #include <sound/pcm_params.h>
 33 #include <sound/soc-dapm.h>
 34 #include <sound/jack.h>
 35 #include <linux/gpio.h>
 36 #include <linux/module.h>
 37 #include <linux/i2c.h>
 38 #include <linux/acpi.h>
 39 
 40 #include "../codecs/rt5645.h"
 41 
 42 #define CZ_PLAT_CLK 24000000
 43 
 44 static struct snd_soc_jack cz_jack;
 45 
 46 static int cz_aif1_hw_params(struct snd_pcm_substream *substream,
 47                              struct snd_pcm_hw_params *params)
 48 {
 49         int ret = 0;
 50         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 51         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 52 
 53         ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
 54                                   CZ_PLAT_CLK, params_rate(params) * 512);
 55         if (ret < 0) {
 56                 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
 57                 return ret;
 58         }
 59 
 60         ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
 61                                 params_rate(params) * 512, SND_SOC_CLOCK_OUT);
 62         if (ret < 0) {
 63                 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
 64                 return ret;
 65         }
 66 
 67         return ret;
 68 }
 69 
 70 static int cz_init(struct snd_soc_pcm_runtime *rtd)
 71 {
 72         int ret;
 73         struct snd_soc_card *card;
 74         struct snd_soc_component *codec;
 75 
 76         codec = rtd->codec_dai->component;
 77         card = rtd->card;
 78 
 79         ret = snd_soc_card_jack_new(card, "Headset Jack",
 80                                 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 81                                 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 82                                 SND_JACK_BTN_2 | SND_JACK_BTN_3,
 83                                 &cz_jack, NULL, 0);
 84         if (ret) {
 85                 dev_err(card->dev, "HP jack creation failed %d\n", ret);
 86                 return ret;
 87         }
 88 
 89         rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack);
 90 
 91         return 0;
 92 }
 93 
 94 static struct snd_soc_ops cz_aif1_ops = {
 95         .hw_params = cz_aif1_hw_params,
 96 };
 97 
 98 SND_SOC_DAILINK_DEF(designware1,
 99         DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));
100 SND_SOC_DAILINK_DEF(designware2,
101         DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
102 
103 SND_SOC_DAILINK_DEF(codec,
104         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));
105 
106 SND_SOC_DAILINK_DEF(platform,
107         DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));
108 
109 static struct snd_soc_dai_link cz_dai_rt5650[] = {
110         {
111                 .name = "amd-rt5645-play",
112                 .stream_name = "RT5645_AIF1",
113                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
114                                 | SND_SOC_DAIFMT_CBM_CFM,
115                 .init = cz_init,
116                 .ops = &cz_aif1_ops,
117                 SND_SOC_DAILINK_REG(designware1, codec, platform),
118         },
119         {
120                 .name = "amd-rt5645-cap",
121                 .stream_name = "RT5645_AIF1",
122                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
123                                 | SND_SOC_DAIFMT_CBM_CFM,
124                 .ops = &cz_aif1_ops,
125                 SND_SOC_DAILINK_REG(designware2, codec, platform),
126         },
127 };
128 
129 static const struct snd_soc_dapm_widget cz_widgets[] = {
130         SND_SOC_DAPM_HP("Headphones", NULL),
131         SND_SOC_DAPM_SPK("Speakers", NULL),
132         SND_SOC_DAPM_MIC("Headset Mic", NULL),
133         SND_SOC_DAPM_MIC("Int Mic", NULL),
134 };
135 
136 static const struct snd_soc_dapm_route cz_audio_route[] = {
137         {"Headphones", NULL, "HPOL"},
138         {"Headphones", NULL, "HPOR"},
139         {"RECMIXL", NULL, "Headset Mic"},
140         {"RECMIXR", NULL, "Headset Mic"},
141         {"Speakers", NULL, "SPOL"},
142         {"Speakers", NULL, "SPOR"},
143         {"DMIC L2", NULL, "Int Mic"},
144         {"DMIC R2", NULL, "Int Mic"},
145 };
146 
147 static const struct snd_kcontrol_new cz_mc_controls[] = {
148         SOC_DAPM_PIN_SWITCH("Headphones"),
149         SOC_DAPM_PIN_SWITCH("Speakers"),
150         SOC_DAPM_PIN_SWITCH("Headset Mic"),
151         SOC_DAPM_PIN_SWITCH("Int Mic"),
152 };
153 
154 static struct snd_soc_card cz_card = {
155         .name = "acprt5650",
156         .owner = THIS_MODULE,
157         .dai_link = cz_dai_rt5650,
158         .num_links = ARRAY_SIZE(cz_dai_rt5650),
159         .dapm_widgets = cz_widgets,
160         .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
161         .dapm_routes = cz_audio_route,
162         .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
163         .controls = cz_mc_controls,
164         .num_controls = ARRAY_SIZE(cz_mc_controls),
165 };
166 
167 static int cz_probe(struct platform_device *pdev)
168 {
169         int ret;
170         struct snd_soc_card *card;
171 
172         card = &cz_card;
173         cz_card.dev = &pdev->dev;
174         platform_set_drvdata(pdev, card);
175         ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
176         if (ret) {
177                 dev_err(&pdev->dev,
178                                 "devm_snd_soc_register_card(%s) failed: %d\n",
179                                 cz_card.name, ret);
180                 return ret;
181         }
182         return 0;
183 }
184 
185 static const struct acpi_device_id cz_audio_acpi_match[] = {
186         { "AMDI1002", 0 },
187         {},
188 };
189 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
190 
191 static struct platform_driver cz_pcm_driver = {
192         .driver = {
193                 .name = "cz-rt5645",
194                 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
195                 .pm = &snd_soc_pm_ops,
196         },
197         .probe = cz_probe,
198 };
199 
200 module_platform_driver(cz_pcm_driver);
201 
202 MODULE_AUTHOR("akshu.agrawal@amd.com");
203 MODULE_DESCRIPTION("cz-rt5645 audio support");
204 MODULE_LICENSE("GPL v2");
205 

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