LXR linux/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
  44static struct snd_soc_jack cz_jack;
  45
  46static 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
  70static 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
  94static struct snd_soc_ops cz_aif1_ops = {
  95        .hw_params = cz_aif1_hw_params,
  96};
  97
  98static 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
 124static 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
 131static 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
 142static 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
 149static 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
 162static 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
 180static const struct acpi_device_id cz_audio_acpi_match[] = {
 181        { "AMDI1002", 0 },
 182        {},
 183};
 184MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 185
 186static 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
 195module_platform_driver(cz_pcm_driver);
 196
 197MODULE_AUTHOR("akshu.agrawal@amd.com");
 198MODULE_DESCRIPTION("cz-rt5645 audio support");
 199MODULE_LICENSE("GPL v2");
 200