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Diffstat (limited to '')
| -rw-r--r-- | sound/soc/amd/acp-da7219-max98357a.c | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c new file mode 100644 index 000000000..849288d01 --- /dev/null +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -0,0 +1,479 @@ +/* + * 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 <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/clk.h> +#include <linux/gpio.h> +#include <linux/module.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/driver.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/acpi.h> + +#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 = devm_clk_get(component->dev, "da7219-dai-wclk"); + if (IS_ERR(da7219_dai_wclk)) + return PTR_ERR(da7219_dai_wclk); + + da7219_dai_bclk = devm_clk_get(component->dev, "da7219-dai-bclk"); + if (IS_ERR(da7219_dai_bclk)) + return PTR_ERR(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 = asoc_substream_to_rtd(substream); + + /* + * 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 = asoc_substream_to_rtd(substream); + 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 = asoc_substream_to_rtd(substream); + 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 = asoc_substream_to_rtd(substream); + 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 = asoc_substream_to_rtd(substream); + 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 = asoc_substream_to_rtd(substream); + 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"); |