/* * 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 #include #include "acp.h" #include "../codecs/da7219.h" #include "../codecs/da7219-aad.h" #define CZ_PLAT_CLK 48000000 #define DUAL_CHANNEL 2 static struct snd_soc_jack cz_jack; static struct clk *da7219_dai_wclk; static struct clk *da7219_dai_bclk; extern bool bt_uart_enable; 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 = asoc_rtd_to_codec(rtd, 0); 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_wclk = clk_get(component->dev, "da7219-dai-wclk"); da7219_dai_bclk = clk_get(component->dev, "da7219-dai-bclk"); ret = snd_soc_card_jack_new(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_LINEOUT | 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; /* * Set wclk to 48000 because the rate constraint of this driver is * 48000. ADAU7002 spec: "The ADAU7002 requires a BCLK rate that is * minimum of 64x the LRCLK sample rate." DA7219 is the only clk * source so for all codecs we have to limit bclk to 64X lrclk. */ clk_set_rate(da7219_dai_wclk, 48000); clk_set_rate(da7219_dai_bclk, 48000 * 64); ret = clk_prepare_enable(da7219_dai_bclk); 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_bclk); } 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_play_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); /* * 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); machine->play_i2s_instance = I2S_SP_INSTANCE; return da7219_clk_enable(substream); } static int cz_da7219_cap_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); /* * 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); machine->cap_i2s_instance = I2S_SP_INSTANCE; machine->capture_channel = CAP_CHANNEL1; return da7219_clk_enable(substream); } static int cz_max_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); /* * 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); machine->play_i2s_instance = I2S_BT_INSTANCE; return da7219_clk_enable(substream); } static int cz_dmic0_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); /* * 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); machine->cap_i2s_instance = I2S_BT_INSTANCE; return da7219_clk_enable(substream); } static int cz_dmic1_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_card *card = rtd->card; struct acp_platform_info *machine = snd_soc_card_get_drvdata(card); /* * 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); machine->cap_i2s_instance = I2S_SP_INSTANCE; machine->capture_channel = CAP_CHANNEL0; return da7219_clk_enable(substream); } static void cz_da7219_shutdown(struct snd_pcm_substream *substream) { da7219_clk_disable(); } static const struct snd_soc_ops cz_da7219_play_ops = { .startup = cz_da7219_play_startup, .shutdown = cz_da7219_shutdown, }; static const struct snd_soc_ops cz_da7219_cap_ops = { .startup = cz_da7219_cap_startup, .shutdown = cz_da7219_shutdown, }; static const struct snd_soc_ops cz_max_play_ops = { .startup = cz_max_startup, .shutdown = cz_da7219_shutdown, }; static const struct snd_soc_ops cz_dmic0_cap_ops = { .startup = cz_dmic0_startup, .shutdown = cz_da7219_shutdown, }; static const struct snd_soc_ops cz_dmic1_cap_ops = { .startup = cz_dmic1_startup, .shutdown = cz_da7219_shutdown, }; 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(designware3, DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.3.auto"))); SND_SOC_DAILINK_DEF(dlgs, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", "da7219-hifi"))); SND_SOC_DAILINK_DEF(mx, DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi"))); SND_SOC_DAILINK_DEF(adau, DAILINK_COMP_ARRAY(COMP_CODEC("ADAU7002:00", "adau7002-hifi"))); SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto"))); static struct snd_soc_dai_link cz_dai_7219_98357[] = { { .name = "amd-da7219-play", .stream_name = "Playback", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .init = cz_da7219_init, .dpcm_playback = 1, .ops = &cz_da7219_play_ops, SND_SOC_DAILINK_REG(designware1, dlgs, platform), }, { .name = "amd-da7219-cap", .stream_name = "Capture", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, .ops = &cz_da7219_cap_ops, SND_SOC_DAILINK_REG(designware2, dlgs, platform), }, { .name = "amd-max98357-play", .stream_name = "HiFi Playback", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_playback = 1, .ops = &cz_max_play_ops, SND_SOC_DAILINK_REG(designware3, mx, platform), }, { /* C panel DMIC */ .name = "dmic0", .stream_name = "DMIC0 Capture", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, .ops = &cz_dmic0_cap_ops, SND_SOC_DAILINK_REG(designware3, adau, platform), }, { /* A/B panel DMIC */ .name = "dmic1", .stream_name = "DMIC1 Capture", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, .dpcm_capture = 1, .ops = &cz_dmic1_cap_ops, SND_SOC_DAILINK_REG(designware2, adau, 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, "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 struct regulator_consumer_supply acp_da7219_supplies[] = { REGULATOR_SUPPLY("VDD", "i2c-DLGS7219:00"), REGULATOR_SUPPLY("VDDMIC", "i2c-DLGS7219:00"), REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00"), REGULATOR_SUPPLY("IOVDD", "ADAU7002:00"), }; static struct regulator_init_data acp_da7219_data = { .constraints = { .always_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(acp_da7219_supplies), .consumer_supplies = acp_da7219_supplies, }; static struct regulator_config acp_da7219_cfg = { .init_data = &acp_da7219_data, }; static struct regulator_ops acp_da7219_ops = { }; static const struct regulator_desc acp_da7219_desc = { .name = "reg-fixed-1.8V", .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, .ops = &acp_da7219_ops, .fixed_uV = 1800000, /* 1.8V */ .n_voltages = 1, }; static int cz_probe(struct platform_device *pdev) { int ret; struct snd_soc_card *card; struct acp_platform_info *machine; struct regulator_dev *rdev; acp_da7219_cfg.dev = &pdev->dev; rdev = devm_regulator_register(&pdev->dev, &acp_da7219_desc, &acp_da7219_cfg); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator: %d\n", (int)PTR_ERR(rdev)); return -EINVAL; } machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), GFP_KERNEL); if (!machine) return -ENOMEM; card = &cz_card; cz_card.dev = &pdev->dev; platform_set_drvdata(pdev, card); snd_soc_card_set_drvdata(card, machine); 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; } bt_uart_enable = !device_property_read_bool(&pdev->dev, "bt-pad-enable"); return 0; } #ifdef CONFIG_ACPI static const struct acpi_device_id cz_audio_acpi_match[] = { { "AMD7219", 0 }, {}, }; MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match); #endif 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");