diff options
Diffstat (limited to 'sound/soc/codecs/rt5575.c')
| -rw-r--r-- | sound/soc/codecs/rt5575.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5575.c b/sound/soc/codecs/rt5575.c new file mode 100644 index 000000000000..c5525ad195ee --- /dev/null +++ b/sound/soc/codecs/rt5575.c @@ -0,0 +1,352 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * rt5575.c -- ALC5575 ALSA SoC audio component driver + * + * Copyright(c) 2025 Realtek Semiconductor Corp. + * + */ + +#include <linux/i2c.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#include "rt5575.h" +#include "rt5575-spi.h" + +static bool rt5575_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case RT5575_BOOT: + case RT5575_ID: + case RT5575_ID_1: + case RT5575_MIXL_VOL: + case RT5575_MIXR_VOL: + case RT5575_PROMPT_VOL: + case RT5575_SPK01_VOL: + case RT5575_SPK23_VOL: + case RT5575_MIC1_VOL: + case RT5575_MIC2_VOL: + case RT5575_WNC_CTRL: + case RT5575_MODE_CTRL: + case RT5575_I2S_RATE_CTRL: + case RT5575_SLEEP_CTRL: + case RT5575_ALG_BYPASS_CTRL: + case RT5575_PINMUX_CTRL_2: + case RT5575_GPIO_CTRL_1: + case RT5575_DSP_BUS_CTRL: + case RT5575_SW_INT: + case RT5575_DSP_BOOT_ERR: + case RT5575_DSP_READY: + case RT5575_DSP_CMD_ADDR: + case RT5575_EFUSE_DATA_2: + case RT5575_EFUSE_DATA_3: + return true; + default: + return false; + } +} + +static const DECLARE_TLV_DB_SCALE(ob_tlv, -9525, 75, 0); + +static const struct snd_kcontrol_new rt5575_snd_controls[] = { + SOC_DOUBLE("Speaker CH-01 Playback Switch", RT5575_SPK01_VOL, 31, 15, 1, 1), + SOC_DOUBLE_TLV("Speaker CH-01 Playback Volume", RT5575_SPK01_VOL, 17, 1, 167, 0, ob_tlv), + SOC_DOUBLE("Speaker CH-23 Playback Switch", RT5575_SPK23_VOL, 31, 15, 1, 1), + SOC_DOUBLE_TLV("Speaker CH-23 Playback Volume", RT5575_SPK23_VOL, 17, 1, 167, 0, ob_tlv), + SOC_DOUBLE("Mic1 Capture Switch", RT5575_MIC1_VOL, 31, 15, 1, 1), + SOC_DOUBLE_TLV("Mic1 Capture Volume", RT5575_MIC1_VOL, 17, 1, 167, 0, ob_tlv), + SOC_DOUBLE("Mic2 Capture Switch", RT5575_MIC2_VOL, 31, 15, 1, 1), + SOC_DOUBLE_TLV("Mic2 Capture Volume", RT5575_MIC2_VOL, 17, 1, 167, 0, ob_tlv), + SOC_DOUBLE_R("Mix Playback Switch", RT5575_MIXL_VOL, RT5575_MIXR_VOL, 31, 1, 1), + SOC_DOUBLE_R_TLV("Mix Playback Volume", RT5575_MIXL_VOL, RT5575_MIXR_VOL, 1, 127, 0, + ob_tlv), + SOC_DOUBLE("Prompt Playback Switch", RT5575_PROMPT_VOL, 31, 15, 1, 1), + SOC_DOUBLE_TLV("Prompt Playback Volume", RT5575_PROMPT_VOL, 17, 1, 167, 0, ob_tlv), +}; + +static const struct snd_soc_dapm_widget rt5575_dapm_widgets[] = { + SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("AIF3RX", "AIF3 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF3TX", "AIF3 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("AIF4RX", "AIF4 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF4TX", "AIF4 Capture", 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_INPUT("INPUT"), + SND_SOC_DAPM_OUTPUT("OUTPUT"), +}; + +static const struct snd_soc_dapm_route rt5575_dapm_routes[] = { + { "AIF1TX", NULL, "INPUT" }, + { "AIF2TX", NULL, "INPUT" }, + { "AIF3TX", NULL, "INPUT" }, + { "AIF4TX", NULL, "INPUT" }, + { "OUTPUT", NULL, "AIF1RX" }, + { "OUTPUT", NULL, "AIF2RX" }, + { "OUTPUT", NULL, "AIF3RX" }, + { "OUTPUT", NULL, "AIF4RX" }, +}; + +static long long rt5575_get_priv_id(struct rt5575_priv *rt5575) +{ + int priv_id_low, priv_id_high; + + regmap_write(rt5575->regmap, RT5575_EFUSE_PID, 0xa0000000); + regmap_read(rt5575->regmap, RT5575_EFUSE_DATA_2, &priv_id_low); + regmap_read(rt5575->regmap, RT5575_EFUSE_DATA_3, &priv_id_high); + regmap_write(rt5575->regmap, RT5575_EFUSE_PID, 0); + + return ((long long)priv_id_high << 32) | (long long)priv_id_low; +} + +static int rt5575_probe(struct snd_soc_component *component) +{ + struct rt5575_priv *rt5575 = snd_soc_component_get_drvdata(component); + struct device *dev = component->dev; + + rt5575->component = component; + + dev_info(dev, "Private ID: %llx\n", rt5575_get_priv_id(rt5575)); + + return 0; +} + +#define RT5575_STEREO_RATES SNDRV_PCM_RATE_8000_192000 +#define RT5575_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8 | \ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver rt5575_dai[] = { + { + .name = "rt5575-aif1", + .id = RT5575_AIF1, + .playback = { + .stream_name = "AIF1 Playback", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + .capture = { + .stream_name = "AIF1 Capture", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + }, + { + .name = "rt5575-aif2", + .id = RT5575_AIF2, + .playback = { + .stream_name = "AIF2 Playback", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + .capture = { + .stream_name = "AIF2 Capture", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + }, + { + .name = "rt5575-aif3", + .id = RT5575_AIF3, + .playback = { + .stream_name = "AIF3 Playback", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + .capture = { + .stream_name = "AIF3 Capture", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + }, + { + .name = "rt5575-aif4", + .id = RT5575_AIF4, + .playback = { + .stream_name = "AIF4 Playback", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + .capture = { + .stream_name = "AIF4 Capture", + .channels_min = 1, + .channels_max = 8, + .rates = RT5575_STEREO_RATES, + .formats = RT5575_FORMATS, + }, + }, +}; + +static const struct snd_soc_component_driver rt5575_soc_component_dev = { + .probe = rt5575_probe, + .controls = rt5575_snd_controls, + .num_controls = ARRAY_SIZE(rt5575_snd_controls), + .dapm_widgets = rt5575_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt5575_dapm_widgets), + .dapm_routes = rt5575_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(rt5575_dapm_routes), + .use_pmdown_time = 1, + .endianness = 1, +}; + +static const struct regmap_config rt5575_dsp_regmap = { + .name = "dsp", + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 2, +}; + +static int rt5575_i2c_read(void *context, unsigned int reg, unsigned int *val) +{ + struct i2c_client *client = context; + struct rt5575_priv *rt5575 = i2c_get_clientdata(client); + + return regmap_read(rt5575->dsp_regmap, reg | RT5575_DSP_MAPPING, val); +} + +static int rt5575_i2c_write(void *context, unsigned int reg, unsigned int val) +{ + struct i2c_client *client = context; + struct rt5575_priv *rt5575 = i2c_get_clientdata(client); + + return regmap_write(rt5575->dsp_regmap, reg | RT5575_DSP_MAPPING, val); +} + +static const struct regmap_config rt5575_regmap = { + .reg_bits = 16, + .val_bits = 32, + .reg_stride = 4, + .max_register = 0xfffc, + .readable_reg = rt5575_readable_register, + .reg_read = rt5575_i2c_read, + .reg_write = rt5575_i2c_write, + .use_single_read = true, + .use_single_write = true, +}; + +static int rt5575_fw_load_by_spi(struct rt5575_priv *rt5575) +{ + struct i2c_client *i2c = rt5575->i2c; + struct spi_device *spi; + struct device *dev = &i2c->dev; + int ret; + + spi = rt5575_spi_get_device(dev); + if (!spi) { + dev_err(dev, "Failed to get spi_device\n"); + return -ENODEV; + } + + regmap_write(rt5575->dsp_regmap, 0xfafafafa, 0x00000004); + regmap_write(rt5575->dsp_regmap, 0x18008064, 0x00000000); + regmap_write(rt5575->dsp_regmap, 0x18008068, 0x0002ffff); + + ret = rt5575_spi_fw_load(spi); + if (ret) { + dev_err(dev, "Load firmware failure: %d\n", ret); + return -ENODEV; + } + + regmap_write(rt5575->dsp_regmap, 0x18000000, 0x00000000); + regmap_update_bits(rt5575->regmap, RT5575_SW_INT, 1, 1); + + regmap_read_poll_timeout(rt5575->regmap, RT5575_SW_INT, ret, !ret, 100000, 10000000); + if (ret) { + dev_err(dev, "Run firmware failure: %d\n", ret); + return -ENODEV; + } + + return 0; +} + +static int rt5575_i2c_probe(struct i2c_client *i2c) +{ + struct rt5575_priv *rt5575; + int ret, val, boot; + struct device *dev = &i2c->dev; + + rt5575 = devm_kzalloc(dev, sizeof(struct rt5575_priv), GFP_KERNEL); + if (!rt5575) + return -ENOMEM; + + i2c_set_clientdata(i2c, rt5575); + + rt5575->i2c = i2c; + + rt5575->dsp_regmap = devm_regmap_init_i2c(i2c, &rt5575_dsp_regmap); + if (IS_ERR(rt5575->dsp_regmap)) { + ret = PTR_ERR(rt5575->dsp_regmap); + dev_err(dev, "Failed to allocate DSP register map: %d\n", ret); + return ret; + } + + rt5575->regmap = devm_regmap_init(dev, NULL, i2c, &rt5575_regmap); + if (IS_ERR(rt5575->regmap)) { + ret = PTR_ERR(rt5575->regmap); + dev_err(dev, "Failed to allocate register map: %d\n", ret); + return ret; + } + + regmap_read(rt5575->regmap, RT5575_ID, &val); + if (val != RT5575_DEVICE_ID) { + dev_err(dev, "Device with ID register %08x is not rt5575\n", val); + return -ENODEV; + } + + regmap_read(rt5575->regmap, RT5575_BOOT, &boot); + if ((boot & RT5575_BOOT_MASK) == RT5575_BOOT_SPI) { + if (!IS_ENABLED(CONFIG_SND_SOC_RT5575_SPI)) { + dev_err(dev, "Please enable CONFIG_SND_SOC_RT5575_SPI\n"); + return -ENODEV; + } + + if (rt5575_fw_load_by_spi(rt5575)) + return -ENODEV; + } + + return devm_snd_soc_register_component(dev, &rt5575_soc_component_dev, rt5575_dai, + ARRAY_SIZE(rt5575_dai)); +} + +static const struct i2c_device_id rt5575_i2c_id[] = { + { "rt5575" }, + { } +}; +MODULE_DEVICE_TABLE(i2c, rt5575_i2c_id); + +static const struct of_device_id rt5575_of_match[] = { + { .compatible = "realtek,rt5575" }, + { } +}; +MODULE_DEVICE_TABLE(of, rt5575_of_match); + +static struct i2c_driver rt5575_i2c_driver = { + .driver = { + .name = "rt5575", + .owner = THIS_MODULE, + .of_match_table = rt5575_of_match, + }, + .probe = rt5575_i2c_probe, + .id_table = rt5575_i2c_id, +}; +module_i2c_driver(rt5575_i2c_driver); + +MODULE_DESCRIPTION("ASoC ALC5575 driver"); +MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>"); +MODULE_LICENSE("GPL"); |