Add Vangogh machine driver using NAU8821 & CS35L41 Codecs.

Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- changes since v1: - add DMI info check in machine driver probe - renamed machine driver file as "acp5x-mach.c"

sound/soc/amd/vangogh/acp5x-mach.c | 386 +++++++++++++++++++++++++++++ 1 file changed, 386 insertions(+) create mode 100644 sound/soc/amd/vangogh/acp5x-mach.c

diff --git a/sound/soc/amd/vangogh/acp5x-mach.c b/sound/soc/amd/vangogh/acp5x-mach.c new file mode 100644 index 000000000000..14cf325e4b23 --- /dev/null +++ b/sound/soc/amd/vangogh/acp5x-mach.c @@ -0,0 +1,386 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Machine driver for AMD Vangogh platform using NAU8821 & CS35L41 + * codecs. + * + * Copyright 2021 Advanced Micro Devices, Inc. + */ + +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <linux/module.h> +#include <linux/io.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> + +#include <sound/jack.h> +#include <linux/clk.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/acpi.h> +#include <linux/dmi.h> + +#include "../../codecs/nau8821.h" +#include "../../codecs/cs35l41.h" + +#include "acp5x.h" + +#define DRV_NAME "acp5x_mach" +#define DUAL_CHANNEL 2 +#define ACP5X_NUVOTON_CODEC_DAI "nau8821-hifi" +#define VG_JUPITER 1 + +static unsigned long acp5x_machine_id; +static struct snd_soc_jack vg_headset; + +static struct snd_soc_jack_pin acp5x_nau8821_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int acp5x_8821_init(struct snd_soc_pcm_runtime *rtd) +{ + int ret; + struct snd_soc_card *card = rtd->card; + struct snd_soc_component *component = + asoc_rtd_to_codec(rtd, 0)->component; + + /* + * Headset buttons map to the google Reference headset. + * These can be configured by userspace. + */ + ret = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_BTN_0, + &vg_headset, acp5x_nau8821_jack_pins, + ARRAY_SIZE(acp5x_nau8821_jack_pins)); + if (ret) { + dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); + return ret; + } + + snd_jack_set_key(vg_headset.jack, SND_JACK_BTN_0, KEY_MEDIA); + nau8821_enable_jack_detect(component, &vg_headset); + return ret; +} + +static int acp5x_cs35l41_init(struct snd_soc_pcm_runtime *rtd) +{ + return 0; +} + +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 unsigned int channels[] = { + 2, +}; + +static const struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, +}; + +static int acp5x_8821_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 acp5x_platform_info *machine = snd_soc_card_get_drvdata(card); + + machine->play_i2s_instance = I2S_SP_INSTANCE; + machine->cap_i2s_instance = I2S_SP_INSTANCE; + + 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 0; +} + +static int acp5x_nau8821_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_card *card = rtd->card; + struct snd_soc_dai *codec_dai = + snd_soc_card_get_codec_dai(card, + ACP5X_NUVOTON_CODEC_DAI); + int ret; + + ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_FLL_BLK, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) + dev_err(card->dev, "can't set FS clock %d\n", ret); + ret = snd_soc_dai_set_pll(codec_dai, 0, 0, snd_soc_params_to_bclk(params), + params_rate(params) * 256); + if (ret < 0) + dev_err(card->dev, "can't set FLL: %d\n", ret); + + return ret; +} + +static int acp5x_cs35l41_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 acp5x_platform_info *machine = snd_soc_card_get_drvdata(card); + + machine->play_i2s_instance = I2S_HS_INSTANCE; + + 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 0; +} + +static int acp5x_cs35l41_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_card *card = rtd->card; + struct snd_soc_dai *codec_dai; + int ret, i; + unsigned int num_codecs = rtd->num_codecs; + unsigned int bclk_val; + + for (i = 0; i < num_codecs; i++) { + codec_dai = asoc_rtd_to_codec(rtd, i); + if ((strcmp(codec_dai->name, "spi-VLV1776:00") == 0) || + (strcmp(codec_dai->name, "spi-VLV1776:01") == 0)) { + switch (params_rate(params)) { + case 48000: + bclk_val = 1536000; + break; + default: + dev_err(card->dev, "Invalid Samplerate:0x%x\n", + params_rate(params)); + return -EINVAL; + } + ret = snd_soc_component_set_sysclk(codec_dai->component, + 0, 0, bclk_val, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "failed to set sysclk for CS35l41 dai\n"); + return ret; + } + } + } + + return ret; +} + +static const struct snd_soc_ops acp5x_8821_ops = { + .startup = acp5x_8821_startup, + .hw_params = acp5x_nau8821_hw_params, +}; + +static const struct snd_soc_ops acp5x_cs35l41_play_ops = { + .startup = acp5x_cs35l41_startup, + .hw_params = acp5x_cs35l41_hw_params, +}; + +static struct snd_soc_codec_conf cs35l41_conf[] = { + { + .dlc = COMP_CODEC_CONF("spi-VLV1776:00"), + .name_prefix = "Left", + }, + { + .dlc = COMP_CODEC_CONF("spi-VLV1776:01"), + .name_prefix = "Right", + }, +}; + +SND_SOC_DAILINK_DEF(acp5x_i2s, + DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.0"))); + +SND_SOC_DAILINK_DEF(acp5x_bt, + DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.1"))); + +SND_SOC_DAILINK_DEF(nau8821, + DAILINK_COMP_ARRAY(COMP_CODEC("i2c-NVTN2020:00", + "nau8821-hifi"))); + +SND_SOC_DAILINK_DEF(cs35l41, + DAILINK_COMP_ARRAY(COMP_CODEC("spi-VLV1776:00", "cs35l41-pcm"), + COMP_CODEC("spi-VLV1776:01", "cs35l41-pcm"))); + +SND_SOC_DAILINK_DEF(platform, + DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0"))); + +static struct snd_soc_dai_link acp5x_dai[] = { + { + .name = "acp5x-8825-play", + .stream_name = "Playback/Capture", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBC_CFC, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &acp5x_8821_ops, + .init = acp5x_8821_init, + SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform), + }, + { + .name = "acp5x-CS35L41-Stereo", + .stream_name = "CS35L41 Stereo Playback", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBC_CFC, + .dpcm_playback = 1, + .playback_only = 1, + .ops = &acp5x_cs35l41_play_ops, + .init = acp5x_cs35l41_init, + SND_SOC_DAILINK_REG(acp5x_bt, cs35l41, platform), + }, +}; + +static int platform_clock_control(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_dapm_context *dapm = w->dapm; + struct snd_soc_card *card = dapm->card; + struct snd_soc_dai *codec_dai; + int ret = 0; + + codec_dai = snd_soc_card_get_codec_dai(card, ACP5X_NUVOTON_CODEC_DAI); + if (!codec_dai) { + dev_err(card->dev, "Codec dai not found\n"); + return -EIO; + } + + if (SND_SOC_DAPM_EVENT_OFF(event)) { + ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_INTERNAL, + 0, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "set sysclk err = %d\n", ret); + return -EIO; + } + } + return ret; +} + +static const struct snd_kcontrol_new acp5x_8821_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Int Mic"), +}; + +static const struct snd_soc_dapm_widget acp5x_8821_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Int Mic", NULL), + SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, + platform_clock_control, SND_SOC_DAPM_POST_PMD), +}; + +static const struct snd_soc_dapm_route acp5x_8821_audio_route[] = { + /* HP jack connectors - unknown if we have jack detection */ + { "Headphone", NULL, "HPOL" }, + { "Headphone", NULL, "HPOR" }, + { "MICL", NULL, "Headset Mic" }, + { "MICR", NULL, "Headset Mic" }, + { "DMIC", NULL, "Int Mic" }, + + { "Headphone", NULL, "Platform Clock" }, + { "Headset Mic", NULL, "Platform Clock" }, + { "Int Mic", NULL, "Platform Clock" }, +}; + +static struct snd_soc_card acp5x_card = { + .name = "acp5x", + .owner = THIS_MODULE, + .dai_link = acp5x_dai, + .num_links = ARRAY_SIZE(acp5x_dai), + .dapm_widgets = acp5x_8821_widgets, + .num_dapm_widgets = ARRAY_SIZE(acp5x_8821_widgets), + .dapm_routes = acp5x_8821_audio_route, + .num_dapm_routes = ARRAY_SIZE(acp5x_8821_audio_route), + .codec_conf = cs35l41_conf, + .num_configs = ARRAY_SIZE(cs35l41_conf), + .controls = acp5x_8821_controls, + .num_controls = ARRAY_SIZE(acp5x_8821_controls), +}; + + +static int acp5x_vg_quirk_cb(const struct dmi_system_id *id) +{ + acp5x_machine_id = VG_JUPITER; + return 1; +} + +static const struct dmi_system_id acp5x_vg_quirk_table[] = { + { + .callback = acp5x_vg_quirk_cb, + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"), + } + }, + {} +}; + +static int acp5x_probe(struct platform_device *pdev) +{ + int ret; + struct acp5x_platform_info *machine; + struct snd_soc_card *card; + + machine = devm_kzalloc(&pdev->dev, sizeof(struct acp5x_platform_info), + GFP_KERNEL); + if (!machine) + return -ENOMEM; + + dmi_check_system(acp5x_vg_quirk_table); + switch(acp5x_machine_id) { + case VG_JUPITER: + card = &acp5x_card; + acp5x_card.dev = &pdev->dev; + break; + default: + return -ENODEV; + } + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, machine); + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) { + return dev_err_probe(&pdev->dev, ret, + "snd_soc_register_card(%s) failed\n", + acp5x_card.name); + } + return 0; +} + +static struct platform_driver acp5x_mach_driver = { + .driver = { + .name = "acp5x_mach", + .pm = &snd_soc_pm_ops, + }, + .probe = acp5x_probe, +}; + +module_platform_driver(acp5x_mach_driver); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_DESCRIPTION("NAU8821 & CS35L41 audio support"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME);