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 static struct snd_soc_jack_pin cz_jack_pins[] = {
  46         {
  47                 .pin = "Headphones",
  48                 .mask = SND_JACK_HEADPHONE,
  49         },
  50         {
  51                 .pin = "Headset Mic",
  52                 .mask = SND_JACK_MICROPHONE,
  53         },
  54 };
  55
  56 static int cz_aif1_hw_params(struct snd_pcm_substream *substream,
  57                              struct snd_pcm_hw_params *params)
  58 {
  59         int ret = 0;
  60         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
  61         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
  62
  63         ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
  64                                   CZ_PLAT_CLK, params_rate(params) * 512);
  65         if (ret < 0) {
  66                 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
  67                 return ret;
  68         }
  69
  70         ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
  71                                 params_rate(params) * 512, SND_SOC_CLOCK_OUT);
  72         if (ret < 0) {
  73                 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
  74                 return ret;
  75         }
  76
  77         return ret;
  78 }
  79
  80 static int cz_init(struct snd_soc_pcm_runtime *rtd)
  81 {
  82         int ret;
  83         struct snd_soc_card *card;
  84         struct snd_soc_component *codec;
  85
  86         codec = snd_soc_rtd_to_codec(rtd, 0)->component;
  87         card = rtd->card;
  88
  89         ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
  90                                          SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
  91                                          SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  92                                          SND_JACK_BTN_2 | SND_JACK_BTN_3,
  93                                          &cz_jack,
  94                                          cz_jack_pins,
  95                                          ARRAY_SIZE(cz_jack_pins));
  96         if (ret) {
  97                 dev_err(card->dev, "HP jack creation failed %d\n", ret);
  98                 return ret;
  99         }
 100
 101         rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack);
 102
 103         return 0;
 104 }
 105
 106 static const struct snd_soc_ops cz_aif1_ops = {
 107         .hw_params = cz_aif1_hw_params,
 108 };
 109
 110 SND_SOC_DAILINK_DEF(designware1,
 111         DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));
 112 SND_SOC_DAILINK_DEF(designware2,
 113         DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
 114
 115 SND_SOC_DAILINK_DEF(codec,
 116         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));
 117
 118 SND_SOC_DAILINK_DEF(platform,
 119         DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));
 120
 121 static struct snd_soc_dai_link cz_dai_rt5650[] = {
 122         {
 123                 .name = "amd-rt5645-play",
 124                 .stream_name = "RT5645_AIF1",
 125                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 126                                 | SND_SOC_DAIFMT_CBP_CFP,
 127                 .init = cz_init,
 128                 .ops = &cz_aif1_ops,
 129                 SND_SOC_DAILINK_REG(designware1, codec, platform),
 130         },
 131         {
 132                 .name = "amd-rt5645-cap",
 133                 .stream_name = "RT5645_AIF1",
 134                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 135                                 | SND_SOC_DAIFMT_CBP_CFP,
 136                 .ops = &cz_aif1_ops,
 137                 SND_SOC_DAILINK_REG(designware2, codec, platform),
 138         },
 139 };
 140
 141 static const struct snd_soc_dapm_widget cz_widgets[] = {
 142         SND_SOC_DAPM_HP("Headphones", NULL),
 143         SND_SOC_DAPM_SPK("Speakers", NULL),
 144         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 145         SND_SOC_DAPM_MIC("Int Mic", NULL),
 146 };
 147
 148 static const struct snd_soc_dapm_route cz_audio_route[] = {
 149         {"Headphones", NULL, "HPOL"},
 150         {"Headphones", NULL, "HPOR"},
 151         {"RECMIXL", NULL, "Headset Mic"},
 152         {"RECMIXR", NULL, "Headset Mic"},
 153         {"Speakers", NULL, "SPOL"},
 154         {"Speakers", NULL, "SPOR"},
 155         {"DMIC L2", NULL, "Int Mic"},
 156         {"DMIC R2", NULL, "Int Mic"},
 157 };
 158
 159 static const struct snd_kcontrol_new cz_mc_controls[] = {
 160         SOC_DAPM_PIN_SWITCH("Headphones"),
 161         SOC_DAPM_PIN_SWITCH("Speakers"),
 162         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 163         SOC_DAPM_PIN_SWITCH("Int Mic"),
 164 };
 165
 166 static struct snd_soc_card cz_card = {
 167         .name = "acprt5650",
 168         .owner = THIS_MODULE,
 169         .dai_link = cz_dai_rt5650,
 170         .num_links = ARRAY_SIZE(cz_dai_rt5650),
 171         .dapm_widgets = cz_widgets,
 172         .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
 173         .dapm_routes = cz_audio_route,
 174         .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
 175         .controls = cz_mc_controls,
 176         .num_controls = ARRAY_SIZE(cz_mc_controls),
 177 };
 178
 179 static int cz_probe(struct platform_device *pdev)
 180 {
 181         int ret;
 182         struct snd_soc_card *card;
 183
 184         card = &cz_card;
 185         cz_card.dev = &pdev->dev;
 186         platform_set_drvdata(pdev, card);
 187         ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
 188         if (ret) {
 189                 dev_err(&pdev->dev,
 190                                 "devm_snd_soc_register_card(%s) failed: %d\n",
 191                                 cz_card.name, ret);
 192                 return ret;
 193         }
 194         return 0;
 195 }
 196
 197 #ifdef CONFIG_ACPI
 198 static const struct acpi_device_id cz_audio_acpi_match[] = {
 199         { "AMDI1002", 0 },
 200         {},
 201 };
 202 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 203 #endif
 204
 205 static struct platform_driver cz_pcm_driver = {
 206         .driver = {
 207                 .name = "cz-rt5645",
 208                 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
 209                 .pm = &snd_soc_pm_ops,
 210         },
 211         .probe = cz_probe,
 212 };
 213
 214 module_platform_driver(cz_pcm_driver);
 215
 216 MODULE_AUTHOR("akshu.agrawal@amd.com");
 217 MODULE_DESCRIPTION("cz-rt5645 audio support");
 218 MODULE_LICENSE("GPL v2");