--- /dev/null
+// 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_RBTREE,
+ .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_RBTREE,
+ .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;
+
+ if (rt712->first_hw_init) {
+ regcache_cache_only(rt712->regmap, false);
+ regcache_cache_bypass(rt712->regmap, true);
+ regcache_cache_only(rt712->mbq_regmap, false);
+ regcache_cache_bypass(rt712->mbq_regmap, true);
+ } else {
+ /*
+ * PM runtime is only enabled when a Slave reports as Attached
+ */
+
+ /* set autosuspend parameters */
+ pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
+ pm_runtime_use_autosuspend(&slave->dev);
+
+ /* update count of parent 'active' children */
+ pm_runtime_set_active(&slave->dev);
+
+ /* make sure the device does not suspend immediately */
+ pm_runtime_mark_last_busy(&slave->dev);
+
+ pm_runtime_enable(&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;
+
+ 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;
+
+ /*
+ * 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));
+
+ dev_dbg(&slave->dev, "%s\n", __func__);
+
+ return ret;
+}
+
+
+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);
+
+ /* Update the status */
+ rt712->status = status;
+
+ 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 || rt712->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)
+{
+ struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev);
+
+ if (rt712->first_hw_init)
+ 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");
projects / platform / kernel / linux-rpi.git / commitdiff