| // 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/i2c.h> |
| #include <linux/input.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 |
| #define ACP5X_NUVOTON_BCLK 3072000 |
| #define ACP5X_NAU8821_FREQ_OUT 12288000 |
| |
| 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_pins(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 const unsigned int acp5x_nau8821_format[] = {32}; |
| |
| static struct snd_pcm_hw_constraint_list constraints_sample_bits = { |
| .list = acp5x_nau8821_format, |
| .count = ARRAY_SIZE(acp5x_nau8821_format), |
| }; |
| |
| static int acp5x_8821_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 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); |
| snd_pcm_hw_constraint_list(substream->runtime, 0, |
| SNDRV_PCM_HW_PARAM_SAMPLE_BITS, |
| &constraints_sample_bits); |
| 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 = asoc_substream_to_rtd(substream); |
| 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 = asoc_substream_to_rtd(substream); |
| 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 = asoc_substream_to_rtd(substream); |
| 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; |
| |
| ret = 0; |
| for (i = 0; i < num_codecs; i++) { |
| codec_dai = asoc_rtd_to_codec(rtd, i); |
| if (strcmp(codec_dai->name, "cs35l41-pcm") == 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-8821-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; |
| } |
| } else { |
| ret = snd_soc_dai_set_sysclk(codec_dai, NAU8821_CLK_FLL_BLK, 0, |
| SND_SOC_CLOCK_IN); |
| if (ret < 0) |
| dev_err(codec_dai->dev, "can't set BLK clock %d\n", ret); |
| ret = snd_soc_dai_set_pll(codec_dai, 0, 0, ACP5X_NUVOTON_BCLK, |
| ACP5X_NAU8821_FREQ_OUT); |
| if (ret < 0) |
| dev_err(codec_dai->dev, "can't set FLL: %d\n", ret); |
| } |
| 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_PRE_PMU | 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); |