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 = 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_codec *codec;
  75
  76         codec = rtd->codec;
  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 static struct snd_soc_dai_link cz_dai_rt5650[] = {
  99         {
 100                 .name = "amd-rt5645-play",
 101                 .stream_name = "RT5645_AIF1",
 102                 .platform_name = "acp_audio_dma.0.auto",
 103                 .cpu_dai_name = "designware-i2s.1.auto",
 104                 .codec_dai_name = "rt5645-aif1",
 105                 .codec_name = "i2c-10EC5650:00",
 106                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 107                                 | SND_SOC_DAIFMT_CBM_CFM,
 108                 .init = cz_init,
 109                 .ops = &cz_aif1_ops,
 110         },
 111         {
 112                 .name = "amd-rt5645-cap",
 113                 .stream_name = "RT5645_AIF1",
 114                 .platform_name = "acp_audio_dma.0.auto",
 115                 .cpu_dai_name = "designware-i2s.2.auto",
 116                 .codec_dai_name = "rt5645-aif1",
 117                 .codec_name = "i2c-10EC5650:00",
 118                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 119                                 | SND_SOC_DAIFMT_CBM_CFM,
 120                 .ops = &cz_aif1_ops,
 121         },
 122 };
 123
 124 static const struct snd_soc_dapm_widget cz_widgets[] = {
 125         SND_SOC_DAPM_HP("Headphones", NULL),
 126         SND_SOC_DAPM_SPK("Speakers", NULL),
 127         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 128         SND_SOC_DAPM_MIC("Int Mic", NULL),
 129 };
 130
 131 static const struct snd_soc_dapm_route cz_audio_route[] = {
 132         {"Headphones", NULL, "HPOL"},
 133         {"Headphones", NULL, "HPOR"},
 134         {"RECMIXL", NULL, "Headset Mic"},
 135         {"RECMIXR", NULL, "Headset Mic"},
 136         {"Speakers", NULL, "SPOL"},
 137         {"Speakers", NULL, "SPOR"},
 138         {"DMIC L2", NULL, "Int Mic"},
 139         {"DMIC R2", NULL, "Int Mic"},
 140 };
 141
 142 static const struct snd_kcontrol_new cz_mc_controls[] = {
 143         SOC_DAPM_PIN_SWITCH("Headphones"),
 144         SOC_DAPM_PIN_SWITCH("Speakers"),
 145         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 146         SOC_DAPM_PIN_SWITCH("Int Mic"),
 147 };
 148
 149 static struct snd_soc_card cz_card = {
 150         .name = "acprt5650",
 151         .owner = THIS_MODULE,
 152         .dai_link = cz_dai_rt5650,
 153         .num_links = ARRAY_SIZE(cz_dai_rt5650),
 154         .dapm_widgets = cz_widgets,
 155         .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
 156         .dapm_routes = cz_audio_route,
 157         .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
 158         .controls = cz_mc_controls,
 159         .num_controls = ARRAY_SIZE(cz_mc_controls),
 160 };
 161
 162 static int cz_probe(struct platform_device *pdev)
 163 {
 164         int ret;
 165         struct snd_soc_card *card;
 166
 167         card = &cz_card;
 168         cz_card.dev = &pdev->dev;
 169         platform_set_drvdata(pdev, card);
 170         ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
 171         if (ret) {
 172                 dev_err(&pdev->dev,
 173                                 "devm_snd_soc_register_card(%s) failed: %d\n",
 174                                 cz_card.name, ret);
 175                 return ret;
 176         }
 177         return 0;
 178 }
 179
 180 static const struct acpi_device_id cz_audio_acpi_match[] = {
 181         { "AMDI1002", 0 },
 182         {},
 183 };
 184 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 185
 186 static struct platform_driver cz_pcm_driver = {
 187         .driver = {
 188                 .name = "cz-rt5645",
 189                 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
 190                 .pm = &snd_soc_pm_ops,
 191         },
 192         .probe = cz_probe,
 193 };
 194
 195 module_platform_driver(cz_pcm_driver);
 196
 197 MODULE_AUTHOR("akshu.agrawal@amd.com");
 198 MODULE_DESCRIPTION("cz-rt5645 audio support");
 199 MODULE_LICENSE("GPL v2");