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- /*
- * Machine driver for AMD ACP Audio engine using Realtek RT5645 codec
- *
- * Copyright 2017 Advanced Micro Devices, Inc.
- *
- * This file is modified from rt288 machine driver
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- *
- */
- #include <sound/core.h>
- #include <sound/soc.h>
- #include <sound/pcm.h>
- #include <sound/pcm_params.h>
- #include <sound/soc-dapm.h>
- #include <sound/jack.h>
- #include <linux/gpio.h>
- #include <linux/module.h>
- #include <linux/i2c.h>
- #include <linux/acpi.h>
- #include "../codecs/rt5645.h"
- #define CZ_PLAT_CLK 24000000
- static struct snd_soc_jack cz_jack;
- static int cz_aif1_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
- {
- int ret = 0;
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
- ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
- CZ_PLAT_CLK, params_rate(params) * 512);
- if (ret < 0) {
- dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
- return ret;
- }
- ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
- params_rate(params) * 512, SND_SOC_CLOCK_OUT);
- if (ret < 0) {
- dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
- return ret;
- }
- return ret;
- }
- static int cz_init(struct snd_soc_pcm_runtime *rtd)
- {
- int ret;
- struct snd_soc_card *card;
- struct snd_soc_component *codec;
- codec = asoc_rtd_to_codec(rtd, 0)->component;
- card = rtd->card;
- ret = snd_soc_card_jack_new(card, "Headset Jack",
- SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
- SND_JACK_BTN_0 | SND_JACK_BTN_1 |
- SND_JACK_BTN_2 | SND_JACK_BTN_3,
- &cz_jack);
- if (ret) {
- dev_err(card->dev, "HP jack creation failed %d\n", ret);
- return ret;
- }
- rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack);
- return 0;
- }
- static const struct snd_soc_ops cz_aif1_ops = {
- .hw_params = cz_aif1_hw_params,
- };
- SND_SOC_DAILINK_DEF(designware1,
- DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));
- SND_SOC_DAILINK_DEF(designware2,
- DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
- SND_SOC_DAILINK_DEF(codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));
- SND_SOC_DAILINK_DEF(platform,
- DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));
- static struct snd_soc_dai_link cz_dai_rt5650[] = {
- {
- .name = "amd-rt5645-play",
- .stream_name = "RT5645_AIF1",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBP_CFP,
- .init = cz_init,
- .ops = &cz_aif1_ops,
- SND_SOC_DAILINK_REG(designware1, codec, platform),
- },
- {
- .name = "amd-rt5645-cap",
- .stream_name = "RT5645_AIF1",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBP_CFP,
- .ops = &cz_aif1_ops,
- SND_SOC_DAILINK_REG(designware2, codec, platform),
- },
- };
- static const struct snd_soc_dapm_widget cz_widgets[] = {
- SND_SOC_DAPM_HP("Headphones", NULL),
- SND_SOC_DAPM_SPK("Speakers", NULL),
- SND_SOC_DAPM_MIC("Headset Mic", NULL),
- SND_SOC_DAPM_MIC("Int Mic", NULL),
- };
- static const struct snd_soc_dapm_route cz_audio_route[] = {
- {"Headphones", NULL, "HPOL"},
- {"Headphones", NULL, "HPOR"},
- {"RECMIXL", NULL, "Headset Mic"},
- {"RECMIXR", NULL, "Headset Mic"},
- {"Speakers", NULL, "SPOL"},
- {"Speakers", NULL, "SPOR"},
- {"DMIC L2", NULL, "Int Mic"},
- {"DMIC R2", NULL, "Int Mic"},
- };
- static const struct snd_kcontrol_new cz_mc_controls[] = {
- SOC_DAPM_PIN_SWITCH("Headphones"),
- SOC_DAPM_PIN_SWITCH("Speakers"),
- SOC_DAPM_PIN_SWITCH("Headset Mic"),
- SOC_DAPM_PIN_SWITCH("Int Mic"),
- };
- static struct snd_soc_card cz_card = {
- .name = "acprt5650",
- .owner = THIS_MODULE,
- .dai_link = cz_dai_rt5650,
- .num_links = ARRAY_SIZE(cz_dai_rt5650),
- .dapm_widgets = cz_widgets,
- .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
- .dapm_routes = cz_audio_route,
- .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
- .controls = cz_mc_controls,
- .num_controls = ARRAY_SIZE(cz_mc_controls),
- };
- static int cz_probe(struct platform_device *pdev)
- {
- int ret;
- struct snd_soc_card *card;
- card = &cz_card;
- cz_card.dev = &pdev->dev;
- platform_set_drvdata(pdev, card);
- ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
- if (ret) {
- dev_err(&pdev->dev,
- "devm_snd_soc_register_card(%s) failed: %d\n",
- cz_card.name, ret);
- return ret;
- }
- return 0;
- }
- #ifdef CONFIG_ACPI
- static const struct acpi_device_id cz_audio_acpi_match[] = {
- { "AMDI1002", 0 },
- {},
- };
- MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
- #endif
- static struct platform_driver cz_pcm_driver = {
- .driver = {
- .name = "cz-rt5645",
- .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
- .pm = &snd_soc_pm_ops,
- },
- .probe = cz_probe,
- };
- module_platform_driver(cz_pcm_driver);
- MODULE_AUTHOR("[email protected]");
- MODULE_DESCRIPTION("cz-rt5645 audio support");
- MODULE_LICENSE("GPL v2");
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