diff options
Diffstat (limited to 'sound/soc/codecs/rt715-sdca.c')
| -rw-r--r-- | sound/soc/codecs/rt715-sdca.c | 1075 |
1 files changed, 1075 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c new file mode 100644 index 000000000000..7db76c19e048 --- /dev/null +++ b/sound/soc/codecs/rt715-sdca.c @@ -0,0 +1,1075 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// rt715-sdca.c -- rt715 ALSA SoC audio driver +// +// Copyright(c) 2020 Realtek Semiconductor Corp. +// +// +// + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pm_runtime.h> +#include <linux/pm.h> +#include <linux/soundwire/sdw.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include <linux/soundwire/sdw_registers.h> + +#include "rt715-sdca.h" + +static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715, + unsigned int nid, unsigned int reg, unsigned int value) +{ + struct regmap *regmap = rt715->mbq_regmap; + unsigned int addr; + int ret; + + addr = (nid << 20) | reg; + + ret = regmap_write(regmap, addr, value); + if (ret < 0) + dev_err(&rt715->slave->dev, + "Failed to set private value: %08x <= %04x %d\n", ret, addr, + value); + + return ret; +} + +static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715, + unsigned int nid, unsigned int reg, unsigned int *value) +{ + struct regmap *regmap = rt715->mbq_regmap; + unsigned int addr; + int ret; + + addr = (nid << 20) | reg; + + ret = regmap_read(regmap, addr, value); + if (ret < 0) + dev_err(&rt715->slave->dev, + "Failed to get private value: %06x => %04x ret=%d\n", + addr, *value, ret); + + return ret; +} + +static int rt715_sdca_index_update_bits(struct rt715_sdca_priv *rt715, + unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) +{ + unsigned int tmp; + int ret; + + ret = rt715_sdca_index_read(rt715, nid, reg, &tmp); + if (ret < 0) + return ret; + + set_mask_bits(&tmp, mask, val); + + return rt715_sdca_index_write(rt715, nid, reg, tmp); +} + +static inline unsigned int rt715_sdca_vol_gain(unsigned int u_ctrl_val, + unsigned int vol_max, unsigned int vol_gain_sft) +{ + unsigned int val; + + if (u_ctrl_val > vol_max) + u_ctrl_val = vol_max; + val = u_ctrl_val; + u_ctrl_val = + ((abs(u_ctrl_val - vol_gain_sft) * RT715_SDCA_DB_STEP) << 8) / 1000; + if (val <= vol_gain_sft) { + u_ctrl_val = ~u_ctrl_val; + u_ctrl_val += 1; + } + u_ctrl_val &= 0xffff; + + return u_ctrl_val; +} + +static inline unsigned int rt715_sdca_boost_gain(unsigned int u_ctrl_val, + unsigned int b_max, unsigned int b_gain_sft) +{ + if (u_ctrl_val > b_max) + u_ctrl_val = b_max; + + return (u_ctrl_val * 10) << b_gain_sft; +} + +static inline unsigned int rt715_sdca_get_gain(unsigned int reg_val, + unsigned int gain_sft) +{ + unsigned int neg_flag = 0; + + if (reg_val & BIT(15)) { + reg_val = ~(reg_val - 1) & 0xffff; + neg_flag = 1; + } + reg_val *= 1000; + reg_val >>= 8; + if (neg_flag) + reg_val = gain_sft - reg_val / RT715_SDCA_DB_STEP; + else + reg_val = gain_sft + reg_val / RT715_SDCA_DB_STEP; + + return reg_val; +} + +/* SDCA Volume/Boost control */ +static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + unsigned int gain_val, i, k_changed = 0; + int ret; + + for (i = 0; i < 2; i++) { + if (ucontrol->value.integer.value[i] != rt715->kctl_2ch_orig[i]) { + k_changed = 1; + break; + } + } + + for (i = 0; i < 2; i++) { + rt715->kctl_2ch_orig[i] = ucontrol->value.integer.value[i]; + gain_val = + rt715_sdca_vol_gain(ucontrol->value.integer.value[i], mc->max, + mc->shift); + ret = regmap_write(rt715->mbq_regmap, mc->reg + i, gain_val); + if (ret != 0) { + dev_err(component->dev, "Failed to write 0x%x=0x%x\n", + mc->reg + i, gain_val); + return ret; + } + } + + return k_changed; +} + +static int rt715_sdca_set_amp_gain_4ch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; + unsigned int reg_base = p->reg_base, k_changed = 0; + const unsigned int gain_sft = 0x2f; + unsigned int gain_val, i; + int ret; + + for (i = 0; i < 4; i++) { + if (ucontrol->value.integer.value[i] != rt715->kctl_4ch_orig[i]) { + k_changed = 1; + break; + } + } + + for (i = 0; i < 4; i++) { + rt715->kctl_4ch_orig[i] = ucontrol->value.integer.value[i]; + gain_val = + rt715_sdca_vol_gain(ucontrol->value.integer.value[i], p->max, + gain_sft); + ret = regmap_write(rt715->mbq_regmap, reg_base + i, + gain_val); + if (ret != 0) { + dev_err(component->dev, "Failed to write 0x%x=0x%x\n", + reg_base + i, gain_val); + return ret; + } + } + + return k_changed; +} + +static int rt715_sdca_set_amp_gain_8ch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; + unsigned int reg_base = p->reg_base, i, k_changed = 0; + const unsigned int gain_sft = 8; + unsigned int gain_val, reg; + int ret; + + for (i = 0; i < 8; i++) { + if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_orig[i]) { + k_changed = 1; + break; + } + } + + for (i = 0; i < 8; i++) { + rt715->kctl_8ch_orig[i] = ucontrol->value.integer.value[i]; + gain_val = + rt715_sdca_boost_gain(ucontrol->value.integer.value[i], p->max, + gain_sft); + reg = i < 7 ? reg_base + i : (reg_base - 1) | BIT(15); + ret = regmap_write(rt715->mbq_regmap, reg, gain_val); + if (ret != 0) { + dev_err(component->dev, "Failed to write 0x%x=0x%x\n", + reg, gain_val); + return ret; + } + } + + return k_changed; +} + +static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + unsigned int val, i; + int ret; + + for (i = 0; i < 2; i++) { + ret = regmap_read(rt715->mbq_regmap, mc->reg + i, &val); + if (ret < 0) { + dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", + mc->reg + i, ret); + return ret; + } + ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, mc->shift); + } + + return 0; +} + +static int rt715_sdca_set_amp_gain_4ch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; + unsigned int reg_base = p->reg_base, i; + const unsigned int gain_sft = 0x2f; + unsigned int val; + int ret; + + for (i = 0; i < 4; i++) { + ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val); + if (ret < 0) { + dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", + reg_base + i, ret); + return ret; + } + ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, gain_sft); + } + + return 0; +} + +static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; + unsigned int reg_base = p->reg_base; + const unsigned int gain_sft = 8; + unsigned int val_l, val_r; + unsigned int i, reg; + int ret; + + for (i = 0; i < 8; i += 2) { + ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val_l); + if (ret < 0) { + dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", + reg_base + i, ret); + return ret; + } + ucontrol->value.integer.value[i] = (val_l >> gain_sft) / 10; + + reg = (i == 6) ? (reg_base - 1) | BIT(15) : reg_base + 1 + i; + ret = regmap_read(rt715->mbq_regmap, reg, &val_r); + if (ret < 0) { + dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", + reg, ret); + return ret; + } + ucontrol->value.integer.value[i + 1] = (val_r >> gain_sft) / 10; + } + + return 0; +} + +static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -17625, 375, 0); +static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); + +static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; + unsigned int reg_base = p->reg_base; + unsigned int invert = p->invert, i; + int val; + + for (i = 0; i < p->count; i += 2) { + val = snd_soc_component_read(component, reg_base + i); + if (val < 0) + return -EINVAL; + ucontrol->value.integer.value[i] = invert ? p->max - val : val; + + val = snd_soc_component_read(component, reg_base + 1 + i); + if (val < 0) + return -EINVAL; + ucontrol->value.integer.value[i + 1] = + invert ? p->max - val : val; + } + + return 0; +} + +static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; + unsigned int val[4] = {0}, val_mask, i, k_changed = 0; + unsigned int reg = p->reg_base; + unsigned int shift = p->shift; + unsigned int max = p->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = p->invert; + int err; + + for (i = 0; i < 4; i++) { + if (ucontrol->value.integer.value[i] != rt715->kctl_switch_orig[i]) { + k_changed = 1; + break; + } + } + + for (i = 0; i < 2; i++) { + rt715->kctl_switch_orig[i * 2] = ucontrol->value.integer.value[i * 2]; + val[i * 2] = ucontrol->value.integer.value[i * 2] & mask; + if (invert) + val[i * 2] = max - val[i * 2]; + val_mask = mask << shift; + val[i * 2] <<= shift; + + rt715->kctl_switch_orig[i * 2 + 1] = + ucontrol->value.integer.value[i * 2 + 1]; + val[i * 2 + 1] = + ucontrol->value.integer.value[i * 2 + 1] & mask; + if (invert) + val[i * 2 + 1] = max - val[i * 2 + 1]; + + val[i * 2 + 1] <<= shift; + + err = snd_soc_component_update_bits(component, reg + i * 2, val_mask, + val[i * 2]); + if (err < 0) + return err; + + err = snd_soc_component_update_bits(component, reg + 1 + i * 2, + val_mask, val[i * 2 + 1]); + if (err < 0) + return err; + } + + return k_changed; +} + +static int rt715_sdca_fu_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct rt715_sdca_kcontrol_private *p = + (struct rt715_sdca_kcontrol_private *)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 RT715_SDCA_PR_VALUE(xreg_base, xcount, xmax, xshift, xinvert) \ + ((unsigned long)&(struct rt715_sdca_kcontrol_private) \ + {.reg_base = xreg_base, .count = xcount, .max = xmax, \ + .shift = xshift, .invert = xinvert}) + +#define RT715_SDCA_FU_CTRL(xname, reg_base, xshift, xmax, xinvert, xcount) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .info = rt715_sdca_fu_info, \ + .get = rt715_sdca_get_volsw, \ + .put = rt715_sdca_put_volsw, \ + .private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, \ + xshift, xinvert)} + +#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ + xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .info = snd_soc_info_volsw, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ + xmax, xinvert) } + +#define RT715_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ + xhandler_put, tlv_array, xcount, xmax) \ +{ .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 = rt715_sdca_fu_info, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) } + +#define RT715_SDCA_BOOST_EXT_TLV(xname, reg_base, xhandler_get,\ + xhandler_put, tlv_array, xcount, xmax) \ +{ .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 = rt715_sdca_fu_info, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) } + +static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = { + /* Capture switch */ + SOC_DOUBLE_R("FU0A Capture Switch", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, + RT715_SDCA_FU_MUTE_CTRL, CH_01), + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, + RT715_SDCA_FU_MUTE_CTRL, CH_02), + 0, 1, 1), + RT715_SDCA_FU_CTRL("FU02 Capture Switch", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL, + RT715_SDCA_FU_MUTE_CTRL, CH_01), + 0, 1, 1, 4), + RT715_SDCA_FU_CTRL("FU06 Capture Switch", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL, + RT715_SDCA_FU_MUTE_CTRL, CH_01), + 0, 1, 1, 4), + /* Volume Control */ + SOC_DOUBLE_R_EXT_TLV("FU0A Capture Volume", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, + RT715_SDCA_FU_VOL_CTRL, CH_01), + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, + RT715_SDCA_FU_VOL_CTRL, CH_02), + 0x2f, 0x7f, 0, + rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put, + in_vol_tlv), + RT715_SDCA_EXT_TLV("FU02 Capture Volume", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL, + RT715_SDCA_FU_VOL_CTRL, CH_01), + rt715_sdca_set_amp_gain_4ch_get, + rt715_sdca_set_amp_gain_4ch_put, + in_vol_tlv, 4, 0x7f), + RT715_SDCA_EXT_TLV("FU06 Capture Volume", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL, + RT715_SDCA_FU_VOL_CTRL, CH_01), + rt715_sdca_set_amp_gain_4ch_get, + rt715_sdca_set_amp_gain_4ch_put, + in_vol_tlv, 4, 0x7f), + /* MIC Boost Control */ + RT715_SDCA_BOOST_EXT_TLV("FU0E Boost", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN, + RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), + rt715_sdca_set_amp_gain_8ch_get, + rt715_sdca_set_amp_gain_8ch_put, + mic_vol_tlv, 8, 3), + RT715_SDCA_BOOST_EXT_TLV("FU0C Boost", + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN, + RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), + rt715_sdca_set_amp_gain_8ch_get, + rt715_sdca_set_amp_gain_8ch_put, + mic_vol_tlv, 8, 3), +}; + +static int rt715_sdca_mux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + unsigned int val, mask_sft; + + if (strstr(ucontrol->id.name, "ADC 22 Mux")) + mask_sft = 12; + else if (strstr(ucontrol->id.name, "ADC 23 Mux")) + mask_sft = 8; + else if (strstr(ucontrol->id.name, "ADC 24 Mux")) + mask_sft = 4; + else if (strstr(ucontrol->id.name, "ADC 25 Mux")) + mask_sft = 0; + else + return -EINVAL; + + rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL, + RT715_HDA_LEGACY_MUX_CTL1, &val); + val = (val >> mask_sft) & 0xf; + + /* + * The first two indices of ADC Mux 24/25 are routed to the same + * hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2. + * To have a unique set of inputs, we skip the index1 of the muxes. + */ + if ((strstr(ucontrol->id.name, "ADC 24 Mux") || + strstr(ucontrol->id.name, "ADC 25 Mux")) && val > 0) + val -= 1; + ucontrol->value.enumerated.item[0] = val; + + return 0; +} + +static int rt715_sdca_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 rt715_sdca_priv *rt715 = 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 22 Mux")) + mask_sft = 12; + else if (strstr(ucontrol->id.name, "ADC 23 Mux")) + mask_sft = 8; + else if (strstr(ucontrol->id.name, "ADC 24 Mux")) + mask_sft = 4; + else if (strstr(ucontrol->id.name, "ADC 25 Mux")) + mask_sft = 0; + else + return -EINVAL; + + /* Verb ID = 0x701h, nid = e->reg */ + val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; + + rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL, + RT715_HDA_LEGACY_MUX_CTL1, &val2); + val2 = (val2 >> mask_sft) & 0xf; + + change = val != val2; + + if (change) + rt715_sdca_index_update_bits(rt715, RT715_VENDOR_HDA_CTL, + RT715_HDA_LEGACY_MUX_CTL1, 0xf << mask_sft, val << mask_sft); + + snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL); + + return change; +} + +static const char * const adc_22_23_mux_text[] = { + "MIC1", + "MIC2", + "LINE1", + "LINE2", + "DMIC1", + "DMIC2", + "DMIC3", + "DMIC4", +}; + +/* + * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and + * 1 will be connected to the same dmic source, therefore we skip index 1 to + * avoid misunderstanding on usage of dapm routing. + */ +static int rt715_adc_24_25_values[] = { + 0, + 2, + 3, + 4, + 5, +}; + +static const char * const adc_24_mux_text[] = { + "MIC2", + "DMIC1", + "DMIC2", + "DMIC3", + "DMIC4", +}; + +static const char * const adc_25_mux_text[] = { + "MIC1", + "DMIC1", + "DMIC2", + "DMIC3", + "DMIC4", +}; + +static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0, + adc_22_23_mux_text); + +static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0, + adc_22_23_mux_text); + +static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum, + SND_SOC_NOPM, 0, 0xf, + adc_24_mux_text, rt715_adc_24_25_values); +static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum, + SND_SOC_NOPM, 0, 0xf, + adc_25_mux_text, rt715_adc_24_25_values); + +static const struct snd_kcontrol_new rt715_adc22_mux = + SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum, + rt715_sdca_mux_get, rt715_sdca_mux_put); + +static const struct snd_kcontrol_new rt715_adc23_mux = + SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum, + rt715_sdca_mux_get, rt715_sdca_mux_put); + +static const struct snd_kcontrol_new rt715_adc24_mux = + SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum, + rt715_sdca_mux_get, rt715_sdca_mux_put); + +static const struct snd_kcontrol_new rt715_adc25_mux = + SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum, + rt715_sdca_mux_get, rt715_sdca_mux_put); + +static int rt715_sdca_pde23_24_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 rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_write(rt715->regmap, + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN, + RT715_SDCA_REQ_POW_CTRL, + CH_00), 0x00); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_write(rt715->regmap, + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN, + RT715_SDCA_REQ_POW_CTRL, + CH_00), 0x03); + break; + } + return 0; +} + +static const struct snd_soc_dapm_widget rt715_sdca_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("DMIC1"), + SND_SOC_DAPM_INPUT("DMIC2"), + SND_SOC_DAPM_INPUT("DMIC3"), + SND_SOC_DAPM_INPUT("DMIC4"), + SND_SOC_DAPM_INPUT("MIC1"), + SND_SOC_DAPM_INPUT("MIC2"), + SND_SOC_DAPM_INPUT("LINE1"), + SND_SOC_DAPM_INPUT("LINE2"), + + SND_SOC_DAPM_SUPPLY("PDE23_24", SND_SOC_NOPM, 0, 0, + rt715_sdca_pde23_24_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_ADC("ADC 07", NULL, SND_SOC_NOPM, 4, 0), + SND_SOC_DAPM_ADC("ADC 08", NULL, SND_SOC_NOPM, 4, 0), + SND_SOC_DAPM_ADC("ADC 09", NULL, SND_SOC_NOPM, 4, 0), + SND_SOC_DAPM_ADC("ADC 27", NULL, SND_SOC_NOPM, 4, 0), + SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0, + &rt715_adc22_mux), + SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0, + &rt715_adc23_mux), + SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0, + &rt715_adc24_mux), + SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, + &rt715_adc25_mux), + SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0), +}; + +static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = { + {"DP6TX", NULL, "ADC 09"}, + {"DP6TX", NULL, "ADC 08"}, + {"DP4TX", NULL, "ADC 07"}, + {"DP4TX", NULL, "ADC 27"}, + {"DP4TX", NULL, "ADC 09"}, + {"DP4TX", NULL, "ADC 08"}, + + {"LINE1", NULL, "PDE23_24"}, + {"LINE2", NULL, "PDE23_24"}, + {"MIC1", NULL, "PDE23_24"}, + {"MIC2", NULL, "PDE23_24"}, + {"DMIC1", NULL, "PDE23_24"}, + {"DMIC2", NULL, "PDE23_24"}, + {"DMIC3", NULL, "PDE23_24"}, + {"DMIC4", NULL, "PDE23_24"}, + + {"ADC 09", NULL, "ADC 22 Mux"}, + {"ADC 08", NULL, "ADC 23 Mux"}, + {"ADC 07", NULL, "ADC 24 Mux"}, + {"ADC 27", NULL, "ADC 25 Mux"}, + {"ADC 22 Mux", "MIC1", "MIC1"}, + {"ADC 22 Mux", "MIC2", "MIC2"}, + {"ADC 22 Mux", "LINE1", "LINE1"}, + {"ADC 22 Mux", "LINE2", "LINE2"}, + {"ADC 22 Mux", "DMIC1", "DMIC1"}, + {"ADC 22 Mux", "DMIC2", "DMIC2"}, + {"ADC 22 Mux", "DMIC3", "DMIC3"}, + {"ADC 22 Mux", "DMIC4", "DMIC4"}, + {"ADC 23 Mux", "MIC1", "MIC1"}, + {"ADC 23 Mux", "MIC2", "MIC2"}, + {"ADC 23 Mux", "LINE1", "LINE1"}, + {"ADC 23 Mux", "LINE2", "LINE2"}, + {"ADC 23 Mux", "DMIC1", "DMIC1"}, + {"ADC 23 Mux", "DMIC2", "DMIC2"}, + {"ADC 23 Mux", "DMIC3", "DMIC3"}, + {"ADC 23 Mux", "DMIC4", "DMIC4"}, + {"ADC 24 Mux", "MIC2", "MIC2"}, + {"ADC 24 Mux", "DMIC1", "DMIC1"}, + {"ADC 24 Mux", "DMIC2", "DMIC2"}, + {"ADC 24 Mux", "DMIC3", "DMIC3"}, + {"ADC 24 Mux", "DMIC4", "DMIC4"}, + {"ADC 25 Mux", "MIC1", "MIC1"}, + {"ADC 25 Mux", "DMIC1", "DMIC1"}, + {"ADC 25 Mux", "DMIC2", "DMIC2"}, + {"ADC 25 Mux", "DMIC3", "DMIC3"}, + {"ADC 25 Mux", "DMIC4", "DMIC4"}, +}; + +static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = { + .controls = rt715_sdca_snd_controls, + .num_controls = ARRAY_SIZE(rt715_sdca_snd_controls), + .dapm_widgets = rt715_sdca_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt715_sdca_dapm_widgets), + .dapm_routes = rt715_sdca_audio_map, + .num_dapm_routes = ARRAY_SIZE(rt715_sdca_audio_map), +}; + +static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, + int direction) +{ + struct rt715_sdw_stream_data *stream; + + stream = kzalloc(sizeof(*stream), GFP_KERNEL); + if (!stream) + return -ENOMEM; + + stream->sdw_stream = sdw_stream; + + /* Use tx_mask or rx_mask to configure stream tag and set dma_data */ + if (direction == SNDRV_PCM_STREAM_PLAYBACK) + dai->playback_dma_data = stream; + else + dai->capture_dma_data = stream; + + return 0; +} + +static void rt715_sdca_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) + +{ + struct rt715_sdw_stream_data *stream; + + stream = snd_soc_dai_get_dma_data(dai, substream); + if (!stream) + return; + + snd_soc_dai_set_dma_data(dai, substream, NULL); + kfree(stream); +} + +static int rt715_sdca_pcm_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 rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct sdw_stream_config stream_config; + struct sdw_port_config port_config; + enum sdw_data_direction direction; + struct rt715_sdw_stream_data *stream; + int retval, port, num_channels; + unsigned int val; + + stream = snd_soc_dai_get_dma_data(dai, substream); + + if (!stream) + return -EINVAL; + + if (!rt715->slave) + return -EINVAL; + + switch (dai->id) { + case RT715_AIF1: + direction = SDW_DATA_DIR_TX; + port = 6; + rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL, + 0xa500); + break; + case RT715_AIF2: + direction = SDW_DATA_DIR_TX; + port = 4; + rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL, + 0xaf00); + break; + default: + dev_err(component->dev, "Invalid DAI id %d\n", dai->id); + 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 = direction; + + num_channels = params_channels(params); + port_config.ch_mask = GENMASK(num_channels - 1, 0); + port_config.num = port; + + retval = sdw_stream_add_slave(rt715->slave, &stream_config, + &port_config, 1, stream->sdw_stream); + if (retval) { + dev_err(component->dev, "Unable to configure port, retval:%d\n", + retval); + return retval; + } + + switch (params_rate(params)) { + case 8000: + val = 0x1; + break; + case 11025: + val = 0x2; + break; + case 12000: + val = 0x3; + break; + case 16000: + val = 0x4; + break; + case 22050: + val = 0x5; + break; + case 24000: + val = 0x6; + break; + case 32000: + val = 0x7; + break; + case 44100: + val = 0x8; + break; + case 48000: + val = 0x9; + break; + case 88200: + val = 0xa; + break; + case 96000: + val = 0xb; + break; + case 176400: + val = 0xc; + break; + case 192000: + val = 0xd; + break; + case 384000: + val = 0xe; + break; + case 768000: + val = 0xf; + break; + default: + dev_err(component->dev, "Unsupported sample rate %d\n", + params_rate(params)); + return -EINVAL; + } + + regmap_write(rt715->regmap, + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CS_FREQ_IND_EN, + RT715_SDCA_FREQ_IND_CTRL, CH_00), val); + + return 0; +} + +static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); + struct rt715_sdw_stream_data *stream = + snd_soc_dai_get_dma_data(dai, substream); + + if (!rt715->slave) + return -EINVAL; + + sdw_stream_remove_slave(rt715->slave, stream->sdw_stream); + return 0; +} + +#define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) +#define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) + +static const struct snd_soc_dai_ops rt715_sdca_ops = { + .hw_params = rt715_sdca_pcm_hw_params, + .hw_free = rt715_sdca_pcm_hw_free, + .set_sdw_stream = rt715_sdca_set_sdw_stream, + .shutdown = rt715_sdca_shutdown, +}; + +static struct snd_soc_dai_driver rt715_sdca_dai[] = { + { + .name = "rt715-aif1", + .id = RT715_AIF1, + .capture = { + .stream_name = "DP6 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = RT715_STEREO_RATES, + .formats = RT715_FORMATS, + }, + .ops = &rt715_sdca_ops, + }, + { + .name = "rt715-aif2", + .id = RT715_AIF2, + .capture = { + .stream_name = "DP4 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = RT715_STEREO_RATES, + .formats = RT715_FORMATS, + }, + .ops = &rt715_sdca_ops, + }, +}; + +/* Bus clock frequency */ +#define RT715_CLK_FREQ_9600000HZ 9600000 +#define RT715_CLK_FREQ_12000000HZ 12000000 +#define RT715_CLK_FREQ_6000000HZ 6000000 +#define RT715_CLK_FREQ_4800000HZ 4800000 +#define RT715_CLK_FREQ_2400000HZ 2400000 +#define RT715_CLK_FREQ_12288000HZ 12288000 + +int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap, + struct regmap *regmap, struct sdw_slave *slave) +{ + struct rt715_sdca_priv *rt715; + int ret; + + rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL); + if (!rt715) + return -ENOMEM; + + dev_set_drvdata(dev, rt715); + rt715->slave = slave; + rt715->regmap = regmap; + rt715->mbq_regmap = mbq_regmap; + rt715->hw_sdw_ver = slave->id.sdw_version; + /* + * Mark hw_init to false + * HW init will be performed when device reports present + */ + rt715->hw_init = false; + rt715->first_init = false; + + ret = devm_snd_soc_register_component(dev, + &soc_codec_dev_rt715_sdca, + rt715_sdca_dai, + ARRAY_SIZE(rt715_sdca_dai)); + + return ret; +} + +int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave) +{ + struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev); + unsigned int hw_ver; + + if (rt715->hw_init) + return 0; + + /* + * PM runtime is only enabled when a Slave reports as Attached + */ + if (!rt715->first_init) { + /* 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); + + rt715->first_init = true; + } + + pm_runtime_get_noresume(&slave->dev); + + rt715_sdca_index_read(rt715, RT715_VENDOR_REG, + RT715_PRODUCT_NUM, &hw_ver); + hw_ver = hw_ver & 0x000f; + + /* set clock selector = external */ + regmap_write(rt715->regmap, + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN, + RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1); + /* set GPIO_4/5/6 to be 3rd/4th DMIC usage */ + if (hw_ver == 0x0) + rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG, + RT715_AD_FUNC_EN, 0x54, 0x54); + else if (hw_ver == 0x1) { + rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG, + RT715_AD_FUNC_EN, 0x55, 0x55); + rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG, + RT715_REV_1, 0x40, 0x40); + } + /* trigger mode = VAD enable */ + regmap_write(rt715->regmap, + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN, + RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x2); + /* SMPU-1 interrupt enable mask */ + regmap_update_bits(rt715->regmap, RT715_INT_MASK, 0x1, 0x1); + + /* Mark Slave initialization complete */ + rt715->hw_init = true; + + pm_runtime_mark_last_busy(&slave->dev); + pm_runtime_put_autosuspend(&slave->dev); + + return 0; +} + +MODULE_DESCRIPTION("ASoC rt715 driver SDW SDCA"); +MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>"); +MODULE_LICENSE("GPL v2"); |