sound/soc/amd/acp-rt5645.c

   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 = asoc_substream_to_rtd(substream);
  51         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  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 = asoc_rtd_to_codec(rtd, 0)->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 #ifdef CONFIG_ACPI
 186 static const struct acpi_device_id cz_audio_acpi_match[] = {
 187         { "AMDI1002", 0 },
 188         {},
 189 };
 190 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 191 #endif
 192
 193 static struct platform_driver cz_pcm_driver = {
 194         .driver = {
 195                 .name = "cz-rt5645",
 196                 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
 197                 .pm = &snd_soc_pm_ops,
 198         },
 199         .probe = cz_probe,
 200 };
 201
 202 module_platform_driver(cz_pcm_driver);
 203
 204 MODULE_AUTHOR("akshu.agrawal@amd.com");
 205 MODULE_DESCRIPTION("cz-rt5645 audio support");
 206 MODULE_LICENSE("GPL v2");