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 = 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
  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 = 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
  94static struct snd_soc_ops cz_aif1_ops = {
  95        .hw_params = cz_aif1_hw_params,
  96};
  97
  98SND_SOC_DAILINK_DEF(designware1,
  99        DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));
 100SND_SOC_DAILINK_DEF(designware2,
 101        DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
 102
 103SND_SOC_DAILINK_DEF(codec,
 104        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));
 105
 106SND_SOC_DAILINK_DEF(platform,
 107        DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));
 108
 109static 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
 129static 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
 136static 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
 147static 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
 154static 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
 167static 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
 186static const struct acpi_device_id cz_audio_acpi_match[] = {
 187        { "AMDI1002", 0 },
 188        {},
 189};
 190MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 191#endif
 192
 193static 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
 202module_platform_driver(cz_pcm_driver);
 203
 204MODULE_AUTHOR("akshu.agrawal@amd.com");
 205MODULE_DESCRIPTION("cz-rt5645 audio support");
 206MODULE_LICENSE("GPL v2");
 207