diff options
Diffstat (limited to 'sound/soc/codecs/rt712-sdca-dmic.c')
| -rw-r--r-- | sound/soc/codecs/rt712-sdca-dmic.c | 991 |
1 files changed, 991 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt712-sdca-dmic.c b/sound/soc/codecs/rt712-sdca-dmic.c new file mode 100644 index 0000000000..ba08d03e71 --- /dev/null +++ b/sound/soc/codecs/rt712-sdca-dmic.c @@ -0,0 +1,991 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// rt712-sdca-dmic.c -- rt712 SDCA DMIC ALSA SoC audio driver +// +// Copyright(c) 2023 Realtek Semiconductor Corp. +// +// + +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/pm_runtime.h> +#include <linux/soundwire/sdw_registers.h> +#include <linux/slab.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> +#include "rt712-sdca.h" +#include "rt712-sdca-dmic.h" + +static bool rt712_sdca_dmic_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x201a ... 0x201f: + case 0x2029 ... 0x202a: + case 0x202d ... 0x2034: + case 0x2230 ... 0x2232: + case 0x2f01 ... 0x2f0a: + case 0x2f35 ... 0x2f36: + case 0x2f52: + case 0x2f58 ... 0x2f59: + case 0x3201: + case 0x320c: + return true; + default: + return false; + } +} + +static bool rt712_sdca_dmic_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x201b: + case 0x201c: + case 0x201d: + case 0x201f: + case 0x202d ... 0x202f: + case 0x2230: + case 0x2f01: + case 0x2f35: + case 0x320c: + return true; + default: + return false; + } +} + +static bool rt712_sdca_dmic_mbq_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x2000000 ... 0x200008e: + case 0x5300000 ... 0x530000e: + case 0x5400000 ... 0x540000e: + case 0x5600000 ... 0x5600008: + case 0x5700000 ... 0x570000d: + case 0x5800000 ... 0x5800021: + case 0x5900000 ... 0x5900028: + case 0x5a00000 ... 0x5a00009: + case 0x5b00000 ... 0x5b00051: + case 0x5c00000 ... 0x5c0009a: + case 0x5d00000 ... 0x5d00009: + case 0x5f00000 ... 0x5f00030: + case 0x6100000 ... 0x6100068: + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_02): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_03): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_04): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_02): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_03): + case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_04): + return true; + default: + return false; + } +} + +static bool rt712_sdca_dmic_mbq_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x2000000: + case 0x200001a: + case 0x2000024: + case 0x2000046: + case 0x200008a: + case 0x5800000: + case 0x5800001: + case 0x6100008: + return true; + default: + return false; + } +} + +static const struct regmap_config rt712_sdca_dmic_regmap = { + .reg_bits = 32, + .val_bits = 8, + .readable_reg = rt712_sdca_dmic_readable_register, + .volatile_reg = rt712_sdca_dmic_volatile_register, + .max_register = 0x40981300, + .reg_defaults = rt712_sdca_dmic_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_reg_defaults), + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, +}; + +static const struct regmap_config rt712_sdca_dmic_mbq_regmap = { + .name = "sdw-mbq", + .reg_bits = 32, + .val_bits = 16, + .readable_reg = rt712_sdca_dmic_mbq_readable_register, + .volatile_reg = rt712_sdca_dmic_mbq_volatile_register, + .max_register = 0x40800f14, + .reg_defaults = rt712_sdca_dmic_mbq_defaults, + .num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_mbq_defaults), + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, +}; + +static int rt712_sdca_dmic_index_write(struct rt712_sdca_dmic_priv *rt712, + unsigned int nid, unsigned int reg, unsigned int value) +{ + int ret; + struct regmap *regmap = rt712->mbq_regmap; + unsigned int addr = (nid << 20) | reg; + + ret = regmap_write(regmap, addr, value); + if (ret < 0) + dev_err(&rt712->slave->dev, + "Failed to set private value: %06x <= %04x ret=%d\n", + addr, value, ret); + + return ret; +} + +static int rt712_sdca_dmic_index_read(struct rt712_sdca_dmic_priv *rt712, + unsigned int nid, unsigned int reg, unsigned int *value) +{ + int ret; + struct regmap *regmap = rt712->mbq_regmap; + unsigned int addr = (nid << 20) | reg; + + ret = regmap_read(regmap, addr, value); + if (ret < 0) + dev_err(&rt712->slave->dev, + "Failed to get private value: %06x => %04x ret=%d\n", + addr, *value, ret); + + return ret; +} + +static int rt712_sdca_dmic_index_update_bits(struct rt712_sdca_dmic_priv *rt712, + unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) +{ + unsigned int tmp; + int ret; + + ret = rt712_sdca_dmic_index_read(rt712, nid, reg, &tmp); + if (ret < 0) + return ret; + + set_mask_bits(&tmp, mask, val); + return rt712_sdca_dmic_index_write(rt712, nid, reg, tmp); +} + +static int rt712_sdca_dmic_io_init(struct device *dev, struct sdw_slave *slave) +{ + struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); + + if (rt712->hw_init) + return 0; + + regcache_cache_only(rt712->regmap, false); + regcache_cache_only(rt712->mbq_regmap, false); + if (rt712->first_hw_init) { + regcache_cache_bypass(rt712->regmap, true); + regcache_cache_bypass(rt712->mbq_regmap, true); + } else { + /* + * PM runtime status is marked as 'active' only when a Slave reports as Attached + */ + + /* update count of parent 'active' children */ + pm_runtime_set_active(&slave->dev); + } + + pm_runtime_get_noresume(&slave->dev); + + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_ADC0A_08_PDE_FLOAT_CTL, 0x1112); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_ADC0B_11_PDE_FLOAT_CTL, 0x1111); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_DMIC1_2_PDE_FLOAT_CTL, 0x1111); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_I2S_IN_OUT_PDE_FLOAT_CTL, 0x1155); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_DMIC_ENT_FLOAT_CTL, 0x2626); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_ADC_ENT_FLOAT_CTL, 0x1e19); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_DMIC_GAIN_ENT_FLOAT_CTL0, 0x1515); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_ADC_VOL_CH_FLOAT_CTL2, 0x0304); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_DMIC_GAIN_ENT_FLOAT_CTL2, 0x0304); + rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, + RT712_HDA_LEGACY_CONFIG_CTL0, 0x0050); + regmap_write(rt712->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x01); + rt712_sdca_dmic_index_write(rt712, RT712_ULTRA_SOUND_DET, + RT712_ULTRA_SOUND_DETECTOR6, 0x3200); + regmap_write(rt712->regmap, RT712_RC_CAL, 0x23); + regmap_write(rt712->regmap, 0x2f52, 0x00); + + if (rt712->first_hw_init) { + regcache_cache_bypass(rt712->regmap, false); + regcache_mark_dirty(rt712->regmap); + regcache_cache_bypass(rt712->mbq_regmap, false); + regcache_mark_dirty(rt712->mbq_regmap); + } else + rt712->first_hw_init = true; + + /* Mark Slave initialization complete */ + rt712->hw_init = true; + + pm_runtime_mark_last_busy(&slave->dev); + pm_runtime_put_autosuspend(&slave->dev); + + dev_dbg(&slave->dev, "%s hw_init complete\n", __func__); + return 0; +} + +static int rt712_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); + struct rt712_sdca_dmic_kctrl_priv *p = + (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; + unsigned int regvalue, ctl, i; + unsigned int adc_vol_flag = 0; + const unsigned int interval_offset = 0xc0; + + if (strstr(ucontrol->id.name, "FU1E Capture Volume")) + adc_vol_flag = 1; + + /* check all channels */ + for (i = 0; i < p->count; i++) { + regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value); + + if (!adc_vol_flag) /* boost gain */ + ctl = regvalue / 0x0a00; + else { /* ADC gain */ + if (adc_vol_flag) + ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset); + else + ctl = p->max - (((0 - regvalue) & 0xffff) / interval_offset); + } + + ucontrol->value.integer.value[i] = ctl; + } + + return 0; +} + +static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt712_sdca_dmic_kctrl_priv *p = + (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; + struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); + unsigned int gain_val[4]; + unsigned int i, adc_vol_flag = 0, changed = 0; + unsigned int regvalue[4]; + const unsigned int interval_offset = 0xc0; + int err; + + if (strstr(ucontrol->id.name, "FU1E Capture Volume")) + adc_vol_flag = 1; + + /* check all channels */ + for (i = 0; i < p->count; i++) { + regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value[i]); + + gain_val[i] = ucontrol->value.integer.value[i]; + if (gain_val[i] > p->max) + gain_val[i] = p->max; + + if (!adc_vol_flag) /* boost gain */ + gain_val[i] = gain_val[i] * 0x0a00; + else { /* ADC gain */ + gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset); + gain_val[i] &= 0xffff; + } + + if (regvalue[i] != gain_val[i]) + changed = 1; + } + + if (!changed) + return 0; + + for (i = 0; i < p->count; i++) { + err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]); + if (err < 0) + dev_err(&rt712->slave->dev, "0x%08x can't be set\n", p->reg_base + i); + } + + return changed; +} + +static int rt712_sdca_set_fu1e_capture_ctl(struct rt712_sdca_dmic_priv *rt712) +{ + int err, i; + unsigned int ch_mute; + + for (i = 0; i < ARRAY_SIZE(rt712->fu1e_mixer_mute); i++) { + ch_mute = (rt712->fu1e_dapm_mute || rt712->fu1e_mixer_mute[i]) ? 0x01 : 0x00; + err = regmap_write(rt712->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, + RT712_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute); + if (err < 0) + return err; + } + + return 0; +} + +static int rt712_sdca_dmic_fu1e_capture_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + struct rt712_sdca_dmic_kctrl_priv *p = + (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; + unsigned int i; + + for (i = 0; i < p->count; i++) + ucontrol->value.integer.value[i] = !rt712->fu1e_mixer_mute[i]; + + return 0; +} + +static int rt712_sdca_dmic_fu1e_capture_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + struct rt712_sdca_dmic_kctrl_priv *p = + (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; + int err, changed = 0, i; + + for (i = 0; i < p->count; i++) { + if (rt712->fu1e_mixer_mute[i] != !ucontrol->value.integer.value[i]) + changed = 1; + rt712->fu1e_mixer_mute[i] = !ucontrol->value.integer.value[i]; + } + + err = rt712_sdca_set_fu1e_capture_ctl(rt712); + if (err < 0) + return err; + + return changed; +} + +static int rt712_sdca_fu_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct rt712_sdca_dmic_kctrl_priv *p = + (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; + + if (p->max == 1) + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + else + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = p->count; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = p->max; + return 0; +} + +#define RT712_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \ + ((unsigned long)&(struct rt712_sdca_dmic_kctrl_priv) \ + {.reg_base = xreg_base, .count = xcount, .max = xmax, \ + .invert = xinvert}) + +#define RT712_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .info = rt712_sdca_fu_info, \ + .get = rt712_sdca_dmic_fu1e_capture_get, \ + .put = rt712_sdca_dmic_fu1e_capture_put, \ + .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)} + +#define RT712_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ + xhandler_put, xcount, xmax, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ + SNDRV_CTL_ELEM_ACCESS_READWRITE, \ + .tlv.p = (tlv_array), \ + .info = rt712_sdca_fu_info, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) } + +static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); +static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); + +static const struct snd_kcontrol_new rt712_sdca_dmic_snd_controls[] = { + RT712_SDCA_FU_CTRL("FU1E Capture Switch", + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01), + 1, 1, 4), + RT712_SDCA_EXT_TLV("FU1E Capture Volume", + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01), + rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 0x3f, in_vol_tlv), + RT712_SDCA_EXT_TLV("FU15 Boost Volume", + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01), + rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 3, mic_vol_tlv), +}; + +static int rt712_sdca_dmic_mux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + unsigned int val = 0, mask_sft; + + if (strstr(ucontrol->id.name, "ADC 25 Mux")) + mask_sft = 8; + else if (strstr(ucontrol->id.name, "ADC 26 Mux")) + mask_sft = 4; + else + return -EINVAL; + + rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, + RT712_HDA_LEGACY_MUX_CTL0, &val); + + ucontrol->value.enumerated.item[0] = (val >> mask_sft) & 0x7; + + return 0; +} + +static int rt712_sdca_dmic_mux_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + struct snd_soc_dapm_context *dapm = + snd_soc_dapm_kcontrol_dapm(kcontrol); + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int *item = ucontrol->value.enumerated.item; + unsigned int val, val2 = 0, change, mask_sft; + + if (item[0] >= e->items) + return -EINVAL; + + if (strstr(ucontrol->id.name, "ADC 25 Mux")) + mask_sft = 8; + else if (strstr(ucontrol->id.name, "ADC 26 Mux")) + mask_sft = 4; + else + return -EINVAL; + + val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; + + rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, + RT712_HDA_LEGACY_MUX_CTL0, &val2); + val2 = (0x7 << mask_sft) & val2; + + if (val == val2) + change = 0; + else + change = 1; + + if (change) + rt712_sdca_dmic_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, + RT712_HDA_LEGACY_MUX_CTL0, 0x7 << mask_sft, + val << mask_sft); + + snd_soc_dapm_mux_update_power(dapm, kcontrol, + item[0], e, NULL); + + return change; +} + +static const char * const adc_mux_text[] = { + "DMIC1", + "DMIC2", +}; + +static SOC_ENUM_SINGLE_DECL( + rt712_adc25_enum, SND_SOC_NOPM, 0, adc_mux_text); + +static SOC_ENUM_SINGLE_DECL( + rt712_adc26_enum, SND_SOC_NOPM, 0, adc_mux_text); + +static const struct snd_kcontrol_new rt712_sdca_dmic_adc25_mux = + SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt712_adc25_enum, + rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); + +static const struct snd_kcontrol_new rt712_sdca_dmic_adc26_mux = + SOC_DAPM_ENUM_EXT("ADC 26 Mux", rt712_adc26_enum, + rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); + +static int rt712_sdca_dmic_fu1e_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + rt712->fu1e_dapm_mute = false; + rt712_sdca_set_fu1e_capture_ctl(rt712); + break; + case SND_SOC_DAPM_PRE_PMD: + rt712->fu1e_dapm_mute = true; + rt712_sdca_set_fu1e_capture_ctl(rt712); + break; + } + return 0; +} + +static int rt712_sdca_dmic_pde11_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + unsigned char ps0 = 0x0, ps3 = 0x3; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_write(rt712->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, + RT712_SDCA_CTL_REQ_POWER_STATE, 0), + ps0); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_write(rt712->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, + RT712_SDCA_CTL_REQ_POWER_STATE, 0), + ps3); + break; + } + return 0; +} + +static const struct snd_soc_dapm_widget rt712_sdca_dmic_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("DMIC1"), + SND_SOC_DAPM_INPUT("DMIC2"), + + SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0, + rt712_sdca_dmic_pde11_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_ADC_E("FU 1E", NULL, SND_SOC_NOPM, 0, 0, + rt712_sdca_dmic_fu1e_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, + &rt712_sdca_dmic_adc25_mux), + SND_SOC_DAPM_MUX("ADC 26 Mux", SND_SOC_NOPM, 0, 0, + &rt712_sdca_dmic_adc26_mux), + + SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0), +}; + +static const struct snd_soc_dapm_route rt712_sdca_dmic_audio_map[] = { + {"DP2TX", NULL, "FU 1E"}, + + {"FU 1E", NULL, "PDE 11"}, + {"FU 1E", NULL, "ADC 25 Mux"}, + {"FU 1E", NULL, "ADC 26 Mux"}, + {"ADC 25 Mux", "DMIC1", "DMIC1"}, + {"ADC 25 Mux", "DMIC2", "DMIC2"}, + {"ADC 26 Mux", "DMIC1", "DMIC1"}, + {"ADC 26 Mux", "DMIC2", "DMIC2"}, +}; + +static int rt712_sdca_dmic_probe(struct snd_soc_component *component) +{ + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + int ret; + + rt712->component = component; + + if (!rt712->first_hw_init) + return 0; + + ret = pm_runtime_resume(component->dev); + if (ret < 0 && ret != -EACCES) + return ret; + + return 0; +} + +static const struct snd_soc_component_driver soc_sdca_dev_rt712_dmic = { + .probe = rt712_sdca_dmic_probe, + .controls = rt712_sdca_dmic_snd_controls, + .num_controls = ARRAY_SIZE(rt712_sdca_dmic_snd_controls), + .dapm_widgets = rt712_sdca_dmic_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dmic_dapm_widgets), + .dapm_routes = rt712_sdca_dmic_audio_map, + .num_dapm_routes = ARRAY_SIZE(rt712_sdca_dmic_audio_map), + .endianness = 1, +}; + +static int rt712_sdca_dmic_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, + int direction) +{ + snd_soc_dai_dma_data_set(dai, direction, sdw_stream); + + return 0; +} + +static void rt712_sdca_dmic_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + snd_soc_dai_set_dma_data(dai, substream, NULL); +} + +static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + struct sdw_stream_config stream_config; + struct sdw_port_config port_config; + struct sdw_stream_runtime *sdw_stream; + int retval, num_channels; + unsigned int sampling_rate; + + dev_dbg(dai->dev, "%s %s", __func__, dai->name); + sdw_stream = snd_soc_dai_get_dma_data(dai, substream); + + if (!sdw_stream) + return -EINVAL; + + if (!rt712->slave) + return -EINVAL; + + stream_config.frame_rate = params_rate(params); + stream_config.ch_count = params_channels(params); + stream_config.bps = snd_pcm_format_width(params_format(params)); + stream_config.direction = SDW_DATA_DIR_TX; + + num_channels = params_channels(params); + port_config.ch_mask = GENMASK(num_channels - 1, 0); + port_config.num = 2; + + retval = sdw_stream_add_slave(rt712->slave, &stream_config, + &port_config, 1, sdw_stream); + if (retval) { + dev_err(dai->dev, "Unable to configure port\n"); + return retval; + } + + if (params_channels(params) > 4) { + dev_err(component->dev, "Unsupported channels %d\n", + params_channels(params)); + return -EINVAL; + } + + /* sampling rate configuration */ + switch (params_rate(params)) { + case 16000: + sampling_rate = RT712_SDCA_RATE_16000HZ; + break; + case 32000: + sampling_rate = RT712_SDCA_RATE_32000HZ; + break; + case 44100: + sampling_rate = RT712_SDCA_RATE_44100HZ; + break; + case 48000: + sampling_rate = RT712_SDCA_RATE_48000HZ; + break; + case 96000: + sampling_rate = RT712_SDCA_RATE_96000HZ; + break; + case 192000: + sampling_rate = RT712_SDCA_RATE_192000HZ; + break; + default: + dev_err(component->dev, "Rate %d is not supported\n", + params_rate(params)); + return -EINVAL; + } + + /* set sampling frequency */ + regmap_write(rt712->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), + sampling_rate); + regmap_write(rt712->regmap, + SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), + sampling_rate); + + return 0; +} + +static int rt712_sdca_dmic_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); + struct sdw_stream_runtime *sdw_stream = + snd_soc_dai_get_dma_data(dai, substream); + + if (!rt712->slave) + return -EINVAL; + + sdw_stream_remove_slave(rt712->slave, sdw_stream); + return 0; +} + +#define RT712_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) +#define RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE) + +static const struct snd_soc_dai_ops rt712_sdca_dmic_ops = { + .hw_params = rt712_sdca_dmic_hw_params, + .hw_free = rt712_sdca_dmic_hw_free, + .set_stream = rt712_sdca_dmic_set_sdw_stream, + .shutdown = rt712_sdca_dmic_shutdown, +}; + +static struct snd_soc_dai_driver rt712_sdca_dmic_dai[] = { + { + .name = "rt712-sdca-dmic-aif1", + .id = RT712_AIF1, + .capture = { + .stream_name = "DP2 Capture", + .channels_min = 1, + .channels_max = 4, + .rates = RT712_STEREO_RATES, + .formats = RT712_FORMATS, + }, + .ops = &rt712_sdca_dmic_ops, + }, +}; + +static int rt712_sdca_dmic_init(struct device *dev, struct regmap *regmap, + struct regmap *mbq_regmap, struct sdw_slave *slave) +{ + struct rt712_sdca_dmic_priv *rt712; + int ret; + + rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL); + if (!rt712) + return -ENOMEM; + + dev_set_drvdata(dev, rt712); + rt712->slave = slave; + rt712->regmap = regmap; + rt712->mbq_regmap = mbq_regmap; + + regcache_cache_only(rt712->regmap, true); + regcache_cache_only(rt712->mbq_regmap, true); + + /* + * Mark hw_init to false + * HW init will be performed when device reports present + */ + rt712->hw_init = false; + rt712->first_hw_init = false; + rt712->fu1e_dapm_mute = true; + rt712->fu1e_mixer_mute[0] = rt712->fu1e_mixer_mute[1] = + rt712->fu1e_mixer_mute[2] = rt712->fu1e_mixer_mute[3] = true; + + ret = devm_snd_soc_register_component(dev, + &soc_sdca_dev_rt712_dmic, + rt712_sdca_dmic_dai, + ARRAY_SIZE(rt712_sdca_dmic_dai)); + if (ret < 0) + return ret; + + /* set autosuspend parameters */ + pm_runtime_set_autosuspend_delay(dev, 3000); + pm_runtime_use_autosuspend(dev); + + /* make sure the device does not suspend immediately */ + pm_runtime_mark_last_busy(dev); + + pm_runtime_enable(dev); + + /* important note: the device is NOT tagged as 'active' and will remain + * 'suspended' until the hardware is enumerated/initialized. This is required + * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently + * fail with -EACCESS because of race conditions between card creation and enumeration + */ + + dev_dbg(dev, "%s\n", __func__); + + return 0; +} + + +static int rt712_sdca_dmic_update_status(struct sdw_slave *slave, + enum sdw_slave_status status) +{ + struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev); + + if (status == SDW_SLAVE_UNATTACHED) + rt712->hw_init = false; + + /* + * Perform initialization only if slave status is present and + * hw_init flag is false + */ + if (rt712->hw_init || status != SDW_SLAVE_ATTACHED) + return 0; + + /* perform I/O transfers required for Slave initialization */ + return rt712_sdca_dmic_io_init(&slave->dev, slave); +} + +static int rt712_sdca_dmic_read_prop(struct sdw_slave *slave) +{ + struct sdw_slave_prop *prop = &slave->prop; + int nval, i; + u32 bit; + unsigned long addr; + struct sdw_dpn_prop *dpn; + + prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; + prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY; + + prop->paging_support = true; + + /* first we need to allocate memory for set bits in port lists */ + prop->source_ports = BIT(2); /* BITMAP: 00000100 */ + prop->sink_ports = 0; + + nval = hweight32(prop->source_ports); + prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, + sizeof(*prop->src_dpn_prop), GFP_KERNEL); + if (!prop->src_dpn_prop) + return -ENOMEM; + + i = 0; + dpn = prop->src_dpn_prop; + addr = prop->source_ports; + for_each_set_bit(bit, &addr, 32) { + dpn[i].num = bit; + dpn[i].type = SDW_DPN_FULL; + dpn[i].simple_ch_prep_sm = true; + dpn[i].ch_prep_timeout = 10; + i++; + } + + /* set the timeout values */ + prop->clk_stop_timeout = 200; + + /* wake-up event */ + prop->wake_capable = 1; + + return 0; +} + +static const struct sdw_device_id rt712_sdca_dmic_id[] = { + SDW_SLAVE_ENTRY_EXT(0x025d, 0x1712, 0x3, 0x1, 0), + SDW_SLAVE_ENTRY_EXT(0x025d, 0x1713, 0x3, 0x1, 0), + SDW_SLAVE_ENTRY_EXT(0x025d, 0x1716, 0x3, 0x1, 0), + SDW_SLAVE_ENTRY_EXT(0x025d, 0x1717, 0x3, 0x1, 0), + {}, +}; +MODULE_DEVICE_TABLE(sdw, rt712_sdca_dmic_id); + +static int __maybe_unused rt712_sdca_dmic_dev_suspend(struct device *dev) +{ + struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); + + if (!rt712->hw_init) + return 0; + + regcache_cache_only(rt712->regmap, true); + regcache_cache_only(rt712->mbq_regmap, true); + + return 0; +} + +static int __maybe_unused rt712_sdca_dmic_dev_system_suspend(struct device *dev) +{ + struct rt712_sdca_dmic_priv *rt712_sdca = dev_get_drvdata(dev); + + if (!rt712_sdca->hw_init) + return 0; + + return rt712_sdca_dmic_dev_suspend(dev); +} + +#define RT712_PROBE_TIMEOUT 5000 + +static int __maybe_unused rt712_sdca_dmic_dev_resume(struct device *dev) +{ + struct sdw_slave *slave = dev_to_sdw_dev(dev); + struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); + unsigned long time; + + if (!rt712->first_hw_init) + return 0; + + if (!slave->unattach_request) + goto regmap_sync; + + time = wait_for_completion_timeout(&slave->initialization_complete, + msecs_to_jiffies(RT712_PROBE_TIMEOUT)); + if (!time) { + dev_err(&slave->dev, "Initialization not complete, timed out\n"); + sdw_show_ping_status(slave->bus, true); + + return -ETIMEDOUT; + } + +regmap_sync: + slave->unattach_request = 0; + regcache_cache_only(rt712->regmap, false); + regcache_sync(rt712->regmap); + regcache_cache_only(rt712->mbq_regmap, false); + regcache_sync(rt712->mbq_regmap); + return 0; +} + +static const struct dev_pm_ops rt712_sdca_dmic_pm = { + SET_SYSTEM_SLEEP_PM_OPS(rt712_sdca_dmic_dev_system_suspend, rt712_sdca_dmic_dev_resume) + SET_RUNTIME_PM_OPS(rt712_sdca_dmic_dev_suspend, rt712_sdca_dmic_dev_resume, NULL) +}; + + +static struct sdw_slave_ops rt712_sdca_dmic_slave_ops = { + .read_prop = rt712_sdca_dmic_read_prop, + .update_status = rt712_sdca_dmic_update_status, +}; + +static int rt712_sdca_dmic_sdw_probe(struct sdw_slave *slave, + const struct sdw_device_id *id) +{ + struct regmap *regmap, *mbq_regmap; + + /* Regmap Initialization */ + mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_dmic_mbq_regmap); + if (IS_ERR(mbq_regmap)) + return PTR_ERR(mbq_regmap); + + regmap = devm_regmap_init_sdw(slave, &rt712_sdca_dmic_regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return rt712_sdca_dmic_init(&slave->dev, regmap, mbq_regmap, slave); +} + +static int rt712_sdca_dmic_sdw_remove(struct sdw_slave *slave) +{ + pm_runtime_disable(&slave->dev); + + return 0; +} + +static struct sdw_driver rt712_sdca_dmic_sdw_driver = { + .driver = { + .name = "rt712-sdca-dmic", + .owner = THIS_MODULE, + .pm = &rt712_sdca_dmic_pm, + }, + .probe = rt712_sdca_dmic_sdw_probe, + .remove = rt712_sdca_dmic_sdw_remove, + .ops = &rt712_sdca_dmic_slave_ops, + .id_table = rt712_sdca_dmic_id, +}; +module_sdw_driver(rt712_sdca_dmic_sdw_driver); + +MODULE_DESCRIPTION("ASoC RT712 SDCA DMIC SDW driver"); +MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); +MODULE_LICENSE("GPL"); |