// SPDX-License-Identifier: GPL-2.0 /* * rt715.c -- rt715 ALSA SoC audio driver * * Copyright(c) 2019 Realtek Semiconductor Corp. * * ALC715 ASoC Codec Driver based Intel Dummy SdW codec driver * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "rt715.h" static int rt715_index_write(struct regmap *regmap, unsigned int reg, unsigned int value) { int ret; unsigned int addr = ((RT715_PRIV_INDEX_W_H) << 8) | reg; ret = regmap_write(regmap, addr, value); if (ret < 0) { pr_err("Failed to set private value: %08x <= %04x %d\n", ret, addr, value); } return ret; } static void rt715_get_gain(struct rt715_priv *rt715, unsigned int addr_h, unsigned int addr_l, unsigned int val_h, unsigned int *r_val, unsigned int *l_val) { int ret; /* R Channel */ *r_val = (val_h << 8); ret = regmap_read(rt715->regmap, addr_l, r_val); if (ret < 0) pr_err("Failed to get R channel gain.\n"); /* L Channel */ val_h |= 0x20; *l_val = (val_h << 8); ret = regmap_read(rt715->regmap, addr_h, l_val); if (ret < 0) pr_err("Failed to get L channel gain.\n"); } /* For Verb-Set Amplifier Gain (Verb ID = 3h) */ static int rt715_set_amp_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); unsigned int addr_h, addr_l, val_h, val_ll, val_lr; unsigned int read_ll, read_rl; int i; /* Can't use update bit function, so read the original value first */ addr_h = mc->reg; addr_l = mc->rreg; if (mc->shift == RT715_DIR_OUT_SFT) /* output */ val_h = 0x80; else /* input */ val_h = 0x0; rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); /* L Channel */ if (mc->invert) { /* for mute */ val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7; /* keep gain */ read_ll = read_ll & 0x7f; val_ll |= read_ll; } else { /* for gain */ val_ll = ((ucontrol->value.integer.value[0]) & 0x7f); if (val_ll > mc->max) val_ll = mc->max; /* keep mute status */ read_ll = read_ll & 0x80; val_ll |= read_ll; } /* R Channel */ if (mc->invert) { regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0); /* for mute */ val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7; /* keep gain */ read_rl = read_rl & 0x7f; val_lr |= read_rl; } else { /* for gain */ val_lr = ((ucontrol->value.integer.value[1]) & 0x7f); if (val_lr > mc->max) val_lr = mc->max; /* keep mute status */ read_rl = read_rl & 0x80; val_lr |= read_rl; } for (i = 0; i < 3; i++) { /* retry 3 times at most */ if (val_ll == val_lr) { /* Set both L/R channels at the same time */ val_h = (1 << mc->shift) | (3 << 4); regmap_write(rt715->regmap, addr_h, (val_h << 8 | val_ll)); regmap_write(rt715->regmap, addr_l, (val_h << 8 | val_ll)); } else { /* Lch*/ val_h = (1 << mc->shift) | (1 << 5); regmap_write(rt715->regmap, addr_h, (val_h << 8 | val_ll)); /* Rch */ val_h = (1 << mc->shift) | (1 << 4); regmap_write(rt715->regmap, addr_l, (val_h << 8 | val_lr)); } /* check result */ if (mc->shift == RT715_DIR_OUT_SFT) /* output */ val_h = 0x80; else /* input */ val_h = 0x0; rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); if (read_rl == val_lr && read_ll == val_ll) break; } /* D0:power on state, D3: power saving mode */ if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); return 0; } static int rt715_set_amp_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; unsigned int addr_h, addr_l, val_h; unsigned int read_ll, read_rl; addr_h = mc->reg; addr_l = mc->rreg; if (mc->shift == RT715_DIR_OUT_SFT) /* output */ val_h = 0x80; else /* input */ val_h = 0x0; rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); if (mc->invert) { /* for mute status */ read_ll = !((read_ll & 0x80) >> RT715_MUTE_SFT); read_rl = !((read_rl & 0x80) >> RT715_MUTE_SFT); } else { /* for gain */ read_ll = read_ll & 0x7f; read_rl = read_rl & 0x7f; } ucontrol->value.integer.value[0] = read_ll; ucontrol->value.integer.value[1] = read_rl; return 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); #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) } static const struct snd_kcontrol_new rt715_snd_controls[] = { /* Capture switch */ SOC_DOUBLE_R_EXT("ADC 07 Capture Switch", RT715_SET_GAIN_MIC_ADC_H, RT715_SET_GAIN_MIC_ADC_L, RT715_DIR_IN_SFT, 1, 1, rt715_set_amp_gain_get, rt715_set_amp_gain_put), SOC_DOUBLE_R_EXT("ADC 08 Capture Switch", RT715_SET_GAIN_LINE_ADC_H, RT715_SET_GAIN_LINE_ADC_L, RT715_DIR_IN_SFT, 1, 1, rt715_set_amp_gain_get, rt715_set_amp_gain_put), SOC_DOUBLE_R_EXT("ADC 09 Capture Switch", RT715_SET_GAIN_MIX_ADC_H, RT715_SET_GAIN_MIX_ADC_L, RT715_DIR_IN_SFT, 1, 1, rt715_set_amp_gain_get, rt715_set_amp_gain_put), SOC_DOUBLE_R_EXT("ADC 27 Capture Switch", RT715_SET_GAIN_MIX_ADC2_H, RT715_SET_GAIN_MIX_ADC2_L, RT715_DIR_IN_SFT, 1, 1, rt715_set_amp_gain_get, rt715_set_amp_gain_put), /* Volume Control */ SOC_DOUBLE_R_EXT_TLV("ADC 07 Capture Volume", RT715_SET_GAIN_MIC_ADC_H, RT715_SET_GAIN_MIC_ADC_L, RT715_DIR_IN_SFT, 0x3f, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, in_vol_tlv), SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume", RT715_SET_GAIN_LINE_ADC_H, RT715_SET_GAIN_LINE_ADC_L, RT715_DIR_IN_SFT, 0x3f, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, in_vol_tlv), SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume", RT715_SET_GAIN_MIX_ADC_H, RT715_SET_GAIN_MIX_ADC_L, RT715_DIR_IN_SFT, 0x3f, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, in_vol_tlv), SOC_DOUBLE_R_EXT_TLV("ADC 27 Capture Volume", RT715_SET_GAIN_MIX_ADC2_H, RT715_SET_GAIN_MIX_ADC2_L, RT715_DIR_IN_SFT, 0x3f, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, in_vol_tlv), /* MIC Boost Control */ SOC_DOUBLE_R_EXT_TLV("DMIC1 Boost", RT715_SET_GAIN_DMIC1_H, RT715_SET_GAIN_DMIC1_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("DMIC2 Boost", RT715_SET_GAIN_DMIC2_H, RT715_SET_GAIN_DMIC2_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("DMIC3 Boost", RT715_SET_GAIN_DMIC3_H, RT715_SET_GAIN_DMIC3_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("DMIC4 Boost", RT715_SET_GAIN_DMIC4_H, RT715_SET_GAIN_DMIC4_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("MIC1 Boost", RT715_SET_GAIN_MIC1_H, RT715_SET_GAIN_MIC1_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("MIC2 Boost", RT715_SET_GAIN_MIC2_H, RT715_SET_GAIN_MIC2_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("LINE1 Boost", RT715_SET_GAIN_LINE1_H, RT715_SET_GAIN_LINE1_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("LINE2 Boost", RT715_SET_GAIN_LINE2_H, RT715_SET_GAIN_LINE2_L, RT715_DIR_IN_SFT, 3, 0, rt715_set_amp_gain_get, rt715_set_amp_gain_put, mic_vol_tlv), }; static int rt715_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_priv *rt715 = snd_soc_component_get_drvdata(component); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned int reg, val; int ret; /* nid = e->reg, vid = 0xf01 */ reg = RT715_VERB_SET_CONNECT_SEL | e->reg; ret = regmap_read(rt715->regmap, reg, &val); if (ret < 0) { dev_err(component->dev, "%s: sdw read failed: %d\n", __func__, ret); return ret; } /* * 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 ((e->reg == RT715_MUX_IN3 || e->reg == RT715_MUX_IN4) && (val > 0)) val -= 1; ucontrol->value.enumerated.item[0] = val; return 0; } static int rt715_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_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, reg; int ret; if (item[0] >= e->items) return -EINVAL; /* Verb ID = 0x701h, nid = e->reg */ val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; reg = RT715_VERB_SET_CONNECT_SEL | e->reg; ret = regmap_read(rt715->regmap, reg, &val2); if (ret < 0) { dev_err(component->dev, "%s: sdw read failed: %d\n", __func__, ret); return ret; } if (val == val2) change = 0; else change = 1; if (change) { reg = RT715_VERB_SET_CONNECT_SEL | e->reg; regmap_write(rt715->regmap, reg, val); } 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 const unsigned 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, RT715_MUX_IN1, 0, adc_22_23_mux_text); static SOC_ENUM_SINGLE_DECL( rt715_adc23_enum, RT715_MUX_IN2, 0, adc_22_23_mux_text); static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum, RT715_MUX_IN3, 0, 0xf, adc_24_mux_text, rt715_adc_24_25_values); static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum, RT715_MUX_IN4, 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_mux_get, rt715_mux_put); static const struct snd_kcontrol_new rt715_adc23_mux = SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum, rt715_mux_get, rt715_mux_put); static const struct snd_kcontrol_new rt715_adc24_mux = SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum, rt715_mux_get, rt715_mux_put); static const struct snd_kcontrol_new rt715_adc25_mux = SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum, rt715_mux_get, rt715_mux_put); static const struct snd_soc_dapm_widget rt715_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_ADC("ADC 07", NULL, RT715_SET_STREAMID_MIC_ADC, 4, 0), SND_SOC_DAPM_ADC("ADC 08", NULL, RT715_SET_STREAMID_LINE_ADC, 4, 0), SND_SOC_DAPM_ADC("ADC 09", NULL, RT715_SET_STREAMID_MIX_ADC, 4, 0), SND_SOC_DAPM_ADC("ADC 27", NULL, RT715_SET_STREAMID_MIX_ADC2, 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_audio_map[] = { {"DP6TX", NULL, "ADC 09"}, {"DP6TX", NULL, "ADC 08"}, {"DP4TX", NULL, "ADC 07"}, {"DP4TX", NULL, "ADC 27"}, {"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 int rt715_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); switch (level) { case SND_SOC_BIAS_PREPARE: if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0); } break; case SND_SOC_BIAS_STANDBY: regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); break; default: break; } dapm->bias_level = level; return 0; } static const struct snd_soc_component_driver soc_codec_dev_rt715 = { .set_bias_level = rt715_set_bias_level, .controls = rt715_snd_controls, .num_controls = ARRAY_SIZE(rt715_snd_controls), .dapm_widgets = rt715_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(rt715_dapm_widgets), .dapm_routes = rt715_audio_map, .num_dapm_routes = ARRAY_SIZE(rt715_audio_map), }; static int rt715_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction) { struct sdw_stream_data *stream; stream = kzalloc(sizeof(*stream), GFP_KERNEL); if (!stream) return -ENOMEM; stream->sdw_stream = (struct sdw_stream_runtime *)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_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct sdw_stream_data *stream; stream = snd_soc_dai_get_dma_data(dai, substream); snd_soc_dai_set_dma_data(dai, substream, NULL); kfree(stream); } static int rt715_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_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 sdw_stream_data *stream; int retval, port, num_channels; unsigned int val = 0; 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_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa500); break; case RT715_AIF2: direction = SDW_DATA_DIR_TX; port = 4; rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa000); 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 = (1 << (num_channels)) - 1; port_config.num = port; retval = sdw_stream_add_slave(rt715->slave, &stream_config, &port_config, 1, stream->sdw_stream); if (retval) { dev_err(dai->dev, "Unable to configure port\n"); return retval; } switch (params_rate(params)) { /* bit 14 0:48K 1:44.1K */ /* bit 15 Stream Type 0:PCM 1:Non-PCM, should always be PCM */ case 44100: val |= 0x40 << 8; break; case 48000: val |= 0x0 << 8; break; default: dev_err(component->dev, "Unsupported sample rate %d\n", params_rate(params)); return -EINVAL; } if (params_channels(params) <= 16) { /* bit 3:0 Number of Channel */ val |= (params_channels(params) - 1); } else { dev_err(component->dev, "Unsupported channels %d\n", params_channels(params)); return -EINVAL; } switch (params_width(params)) { /* bit 6:4 Bits per Sample */ case 8: break; case 16: val |= (0x1 << 4); break; case 20: val |= (0x2 << 4); break; case 24: val |= (0x3 << 4); break; case 32: val |= (0x4 << 4); break; default: return -EINVAL; } regmap_write(rt715->regmap, RT715_MIC_ADC_FORMAT_H, val); regmap_write(rt715->regmap, RT715_MIC_LINE_FORMAT_H, val); regmap_write(rt715->regmap, RT715_MIX_ADC_FORMAT_H, val); regmap_write(rt715->regmap, RT715_MIX_ADC2_FORMAT_H, val); return retval; } static int rt715_pcm_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); struct 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 struct snd_soc_dai_ops rt715_ops = { .hw_params = rt715_pcm_hw_params, .hw_free = rt715_pcm_hw_free, .set_sdw_stream = rt715_set_sdw_stream, .shutdown = rt715_shutdown, }; static struct snd_soc_dai_driver rt715_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_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_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_clock_config(struct device *dev) { struct rt715_priv *rt715 = dev_get_drvdata(dev); unsigned int clk_freq, value; clk_freq = (rt715->params.curr_dr_freq >> 1); switch (clk_freq) { case RT715_CLK_FREQ_12000000HZ: value = 0x0; break; case RT715_CLK_FREQ_6000000HZ: value = 0x1; break; case RT715_CLK_FREQ_9600000HZ: value = 0x2; break; case RT715_CLK_FREQ_4800000HZ: value = 0x3; break; case RT715_CLK_FREQ_2400000HZ: value = 0x4; break; case RT715_CLK_FREQ_12288000HZ: value = 0x5; break; default: return -EINVAL; } regmap_write(rt715->regmap, 0xe0, value); regmap_write(rt715->regmap, 0xf0, value); return 0; } int rt715_init(struct device *dev, struct regmap *sdw_regmap, struct regmap *regmap, struct sdw_slave *slave) { struct rt715_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->sdw_regmap = sdw_regmap; /* * Mark hw_init to false * HW init will be performed when device reports present */ rt715->hw_init = false; rt715->first_hw_init = false; ret = devm_snd_soc_register_component(dev, &soc_codec_dev_rt715, rt715_dai, ARRAY_SIZE(rt715_dai)); return ret; } int rt715_io_init(struct device *dev, struct sdw_slave *slave) { struct rt715_priv *rt715 = dev_get_drvdata(dev); if (rt715->hw_init) return 0; /* * PM runtime is only enabled when a Slave reports as Attached */ if (!rt715->first_hw_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); } pm_runtime_get_noresume(&slave->dev); /* Mute nid=08h/09h */ regmap_write(rt715->regmap, RT715_SET_GAIN_LINE_ADC_H, 0xb080); regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC_H, 0xb080); /* Mute nid=07h/27h */ regmap_write(rt715->regmap, RT715_SET_GAIN_MIC_ADC_H, 0xb080); regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC2_H, 0xb080); /* Set Pin Widget */ regmap_write(rt715->regmap, RT715_SET_PIN_DMIC1, 0x20); regmap_write(rt715->regmap, RT715_SET_PIN_DMIC2, 0x20); regmap_write(rt715->regmap, RT715_SET_PIN_DMIC3, 0x20); regmap_write(rt715->regmap, RT715_SET_PIN_DMIC4, 0x20); /* Set Converter Stream */ regmap_write(rt715->regmap, RT715_SET_STREAMID_LINE_ADC, 0x10); regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC, 0x10); regmap_write(rt715->regmap, RT715_SET_STREAMID_MIC_ADC, 0x10); regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC2, 0x10); /* Set Configuration Default */ regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT1, 0xd0); regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT2, 0x11); regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT3, 0xa1); regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT4, 0x81); regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT1, 0xd1); regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT2, 0x11); regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT3, 0xa1); regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT4, 0x81); regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT1, 0xd0); regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT2, 0x11); regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT3, 0xa1); regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT4, 0x81); regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT1, 0xd1); regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT2, 0x11); regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT3, 0xa1); regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT4, 0x81); /* Finish Initial Settings, set power to D3 */ regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); if (rt715->first_hw_init) regcache_mark_dirty(rt715->regmap); else rt715->first_hw_init = true; /* 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"); MODULE_DESCRIPTION("ASoC rt715 driver SDW"); MODULE_AUTHOR("Jack Yu "); MODULE_LICENSE("GPL v2");