/* * Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec * * Copyright 2017 Advanced Micro Devices, Inc. * * 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 #include #include #include #include #include #include #include #include #include #include #include #include "../codecs/da7219.h" #include "../codecs/da7219-aad.h" #define CZ_PLAT_CLK 25000000 #define DUAL_CHANNEL 2 static struct snd_soc_jack cz_jack; static struct clk *da7219_dai_clk; static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd) { int ret; struct snd_soc_card *card = rtd->card; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_component *component = codec_dai->component; dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name); ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, CZ_PLAT_CLK, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); return ret; } ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL, CZ_PLAT_CLK, DA7219_PLL_FREQ_OUT_98304); if (ret < 0) { dev_err(rtd->dev, "can't set codec pll: %d\n", ret); return ret; } da7219_dai_clk = clk_get(component->dev, "da7219-dai-clks"); 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, NULL, 0); if (ret) { dev_err(card->dev, "HP jack creation failed %d\n", ret); return ret; } snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); da7219_aad_jack_det(component, &cz_jack); return 0; } static int da7219_clk_enable(struct snd_pcm_substream *substream) { int ret = 0; struct snd_soc_pcm_runtime *rtd = substream->private_data; ret = clk_prepare_enable(da7219_dai_clk); if (ret < 0) { dev_err(rtd->dev, "can't enable master clock %d\n", ret); return ret; } return ret; } static void da7219_clk_disable(void) { clk_disable_unprepare(da7219_dai_clk); } static const unsigned int channels[] = { DUAL_CHANNEL, }; static const unsigned int rates[] = { 48000, }; static const struct snd_pcm_hw_constraint_list constraints_rates = { .count = ARRAY_SIZE(rates), .list = rates, .mask = 0, }; static const struct snd_pcm_hw_constraint_list constraints_channels = { .count = ARRAY_SIZE(channels), .list = channels, .mask = 0, }; static int cz_da7219_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; /* * On this platform for PCM device we support stereo */ runtime->hw.channels_max = DUAL_CHANNEL; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &constraints_channels); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); return da7219_clk_enable(substream); } static void cz_da7219_shutdown(struct snd_pcm_substream *substream) { da7219_clk_disable(); } static int cz_max_startup(struct snd_pcm_substream *substream) { return da7219_clk_enable(substream); } static void cz_max_shutdown(struct snd_pcm_substream *substream) { da7219_clk_disable(); } static int cz_dmic_startup(struct snd_pcm_substream *substream) { return da7219_clk_enable(substream); } static void cz_dmic_shutdown(struct snd_pcm_substream *substream) { da7219_clk_disable(); } static const struct snd_soc_ops cz_da7219_cap_ops = { .startup = cz_da7219_startup, .shutdown = cz_da7219_shutdown, }; static const struct snd_soc_ops cz_max_play_ops = { .startup = cz_max_startup, .shutdown = cz_max_shutdown, }; static const struct snd_soc_ops cz_dmic_cap_ops = { .startup = cz_dmic_startup, .shutdown = cz_dmic_shutdown, }; static struct snd_soc_dai_link cz_dai_7219_98357[] = { { .name = "amd-da7219-play-cap", .stream_name = "Playback and Capture", .platform_name = "acp_audio_dma.0.auto", .cpu_dai_name = "designware-i2s.3.auto", .codec_dai_name = "da7219-hifi", .codec_name = "i2c-DLGS7219:00", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .init = cz_da7219_init, .dpcm_playback = 1, .dpcm_capture = 1, .ops = &cz_da7219_cap_ops, }, { .name = "amd-max98357-play", .stream_name = "HiFi Playback", .platform_name = "acp_audio_dma.0.auto", .cpu_dai_name = "designware-i2s.1.auto", .codec_dai_name = "HiFi", .codec_name = "MX98357A:00", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_playback = 1, .ops = &cz_max_play_ops, }, { .name = "dmic", .stream_name = "DMIC Capture", .platform_name = "acp_audio_dma.0.auto", .cpu_dai_name = "designware-i2s.2.auto", .codec_dai_name = "adau7002-hifi", .codec_name = "ADAU7002:00", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, .ops = &cz_dmic_cap_ops, }, }; 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, "HPL"}, {"Headphones", NULL, "HPR"}, {"MIC", NULL, "Headset Mic"}, {"Speakers", NULL, "Speaker"}, {"PDM_DAT", 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 = "acpd7219m98357", .owner = THIS_MODULE, .dai_link = cz_dai_7219_98357, .num_links = ARRAY_SIZE(cz_dai_7219_98357), .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; } static const struct acpi_device_id cz_audio_acpi_match[] = { { "AMD7219", 0 }, {}, }; MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match); static struct platform_driver cz_pcm_driver = { .driver = { .name = "cz-da7219-max98357a", .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("akshu.agrawal@amd.com"); MODULE_DESCRIPTION("DA7219 & MAX98357A audio support"); MODULE_LICENSE("GPL v2");