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;
  45static 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
  56static 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
  80static 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
 106static const struct snd_soc_ops cz_aif1_ops = {
 107        .hw_params = cz_aif1_hw_params,
 108};
 109
 110SND_SOC_DAILINK_DEF(designware1,
 111        DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1")));
 112SND_SOC_DAILINK_DEF(designware2,
 113        DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2")));
 114
 115SND_SOC_DAILINK_DEF(codec,
 116        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));
 117
 118SND_SOC_DAILINK_DEF(platform,
 119        DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0")));
 120
 121static 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
 141static 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
 148static 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
 159static 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
 166static 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
 179static 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
 198static const struct acpi_device_id cz_audio_acpi_match[] = {
 199        { "AMDI1002", 0 },
 200        {},
 201};
 202MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 203#endif
 204
 205static 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
 214module_platform_driver(cz_pcm_driver);
 215
 216MODULE_AUTHOR("akshu.agrawal@amd.com");
 217MODULE_DESCRIPTION("cz-rt5645 audio support");
 218MODULE_LICENSE("GPL v2");
 219