// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2018, The Linux Foundation. All rights reserved. */ #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "qdsp6/q6afe.h" #include "../codecs/rt5663.h" #define DRIVER_NAME "sdm845" #define DEFAULT_SAMPLE_RATE_48K 48000 #define DEFAULT_MCLK_RATE 24576000 #define TDM_BCLK_RATE 6144000 #define MI2S_BCLK_RATE 1536000 #define LEFT_SPK_TDM_TX_MASK 0x30 #define RIGHT_SPK_TDM_TX_MASK 0xC0 #define SPK_TDM_RX_MASK 0x03 #define NUM_TDM_SLOTS 8 #define SLIM_MAX_TX_PORTS 16 #define SLIM_MAX_RX_PORTS 13 #define WCD934X_DEFAULT_MCLK_RATE 9600000 struct sdm845_snd_data { struct snd_soc_jack jack; bool jack_setup; bool stream_prepared[AFE_PORT_MAX]; struct snd_soc_card *card; uint32_t pri_mi2s_clk_count; uint32_t sec_mi2s_clk_count; uint32_t quat_tdm_clk_count; struct sdw_stream_runtime *sruntime[AFE_PORT_MAX]; }; static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28}; static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct snd_soc_dai *codec_dai; struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card); u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS]; struct sdw_stream_runtime *sruntime; u32 rx_ch_cnt = 0, tx_ch_cnt = 0; int ret = 0, i; for_each_rtd_codec_dais(rtd, i, codec_dai) { sruntime = snd_soc_dai_get_sdw_stream(codec_dai, substream->stream); if (sruntime != ERR_PTR(-ENOTSUPP)) pdata->sruntime[cpu_dai->id] = sruntime; ret = snd_soc_dai_get_channel_map(codec_dai, &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch); if (ret != 0 && ret != -ENOTSUPP) { pr_err("failed to get codec chan map, err:%d\n", ret); return ret; } else if (ret == -ENOTSUPP) { /* Ignore unsupported */ continue; } if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, rx_ch_cnt, rx_ch); else ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch, 0, NULL); } return 0; } static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct snd_soc_dai *codec_dai; int ret = 0, j; int channels, slot_width; switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: slot_width = 16; break; default: dev_err(rtd->dev, "%s: invalid param format 0x%x\n", __func__, params_format(params)); return -EINVAL; } channels = params_channels(params); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3, 8, slot_width); if (ret < 0) { dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", __func__, ret); goto end; } ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, channels, tdm_slot_offset); if (ret < 0) { dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", __func__, ret); goto end; } } else { ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0, 8, slot_width); if (ret < 0) { dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", __func__, ret); goto end; } ret = snd_soc_dai_set_channel_map(cpu_dai, channels, tdm_slot_offset, 0, NULL); if (ret < 0) { dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", __func__, ret); goto end; } } for_each_rtd_codec_dais(rtd, j, codec_dai) { if (!strcmp(codec_dai->component->name_prefix, "Left")) { ret = snd_soc_dai_set_tdm_slot( codec_dai, LEFT_SPK_TDM_TX_MASK, SPK_TDM_RX_MASK, NUM_TDM_SLOTS, slot_width); if (ret < 0) { dev_err(rtd->dev, "DEV0 TDM slot err:%d\n", ret); return ret; } } if (!strcmp(codec_dai->component->name_prefix, "Right")) { ret = snd_soc_dai_set_tdm_slot( codec_dai, RIGHT_SPK_TDM_TX_MASK, SPK_TDM_RX_MASK, NUM_TDM_SLOTS, slot_width); if (ret < 0) { dev_err(rtd->dev, "DEV1 TDM slot err:%d\n", ret); return ret; } } } end: return ret; } static int sdm845_snd_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); int ret = 0; switch (cpu_dai->id) { case PRIMARY_MI2S_RX: case PRIMARY_MI2S_TX: /* * Use ASRC for internal clocks, as PLL rate isn't multiple * of BCLK. */ rt5663_sel_asrc_clk_src( codec_dai->component, RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER, RT5663_CLK_SEL_I2S1_ASRC); ret = snd_soc_dai_set_sysclk( codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); break; case QUATERNARY_TDM_RX_0: case QUATERNARY_TDM_TX_0: ret = sdm845_tdm_snd_hw_params(substream, params); break; case SLIMBUS_0_RX...SLIMBUS_6_TX: ret = sdm845_slim_snd_hw_params(substream, params); break; case QUATERNARY_MI2S_RX: break; default: pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); break; } return ret; } static void sdm845_jack_free(struct snd_jack *jack) { struct snd_soc_component *component = jack->private_data; snd_soc_component_set_jack(component, NULL, NULL); } static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_component *component; struct snd_soc_card *card = rtd->card; struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card); struct snd_jack *jack; /* * Codec SLIMBUS configuration * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13 * TX14, TX15, TX16 */ unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156}; unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143}; int rval, i; if (!pdata->jack_setup) { rval = snd_soc_card_jack_new(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_HEADPHONE | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, &pdata->jack, NULL, 0); if (rval < 0) { dev_err(card->dev, "Unable to add Headphone Jack\n"); return rval; } jack = pdata->jack.jack; snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP); snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); pdata->jack_setup = true; } switch (cpu_dai->id) { case PRIMARY_MI2S_RX: jack = pdata->jack.jack; component = codec_dai->component; jack->private_data = component; jack->private_free = sdm845_jack_free; rval = snd_soc_component_set_jack(component, &pdata->jack, NULL); if (rval != 0 && rval != -ENOTSUPP) { dev_warn(card->dev, "Failed to set jack: %d\n", rval); return rval; } break; case SLIMBUS_0_RX...SLIMBUS_6_TX: for_each_rtd_codec_dais(rtd, i, codec_dai) { rval = snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch), tx_ch, ARRAY_SIZE(rx_ch), rx_ch); if (rval != 0 && rval != -ENOTSUPP) return rval; snd_soc_dai_set_sysclk(codec_dai, 0, WCD934X_DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); rval = snd_soc_component_set_jack(codec_dai->component, &pdata->jack, NULL); if (rval != 0 && rval != -ENOTSUPP) { dev_warn(card->dev, "Failed to set jack: %d\n", rval); return rval; } } break; default: break; } return 0; } static int sdm845_snd_startup(struct snd_pcm_substream *substream) { unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS; unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS; struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_card *card = rtd->card; struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); int j; int ret; switch (cpu_dai->id) { case PRIMARY_MI2S_RX: case PRIMARY_MI2S_TX: codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF; if (++(data->pri_mi2s_clk_count) == 1) { snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_MCLK_1, DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); } snd_soc_dai_set_fmt(cpu_dai, fmt); snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); break; case SECONDARY_MI2S_TX: codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S; if (++(data->sec_mi2s_clk_count) == 1) { snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE); } snd_soc_dai_set_fmt(cpu_dai, fmt); snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); break; case QUATERNARY_MI2S_RX: snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT, MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBS_CFS); break; case QUATERNARY_TDM_RX_0: case QUATERNARY_TDM_TX_0: if (++(data->quat_tdm_clk_count) == 1) { snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); } codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B; for_each_rtd_codec_dais(rtd, j, codec_dai) { if (!strcmp(codec_dai->component->name_prefix, "Left")) { ret = snd_soc_dai_set_fmt( codec_dai, codec_dai_fmt); if (ret < 0) { dev_err(rtd->dev, "Left TDM fmt err:%d\n", ret); return ret; } } if (!strcmp(codec_dai->component->name_prefix, "Right")) { ret = snd_soc_dai_set_fmt( codec_dai, codec_dai_fmt); if (ret < 0) { dev_err(rtd->dev, "Right TDM slot err:%d\n", ret); return ret; } } } break; case SLIMBUS_0_RX...SLIMBUS_6_TX: break; default: pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); break; } return 0; } static void sdm845_snd_shutdown(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_card *card = rtd->card; struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); switch (cpu_dai->id) { case PRIMARY_MI2S_RX: case PRIMARY_MI2S_TX: if (--(data->pri_mi2s_clk_count) == 0) { snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_MCLK_1, 0, SNDRV_PCM_STREAM_PLAYBACK); snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, 0, SNDRV_PCM_STREAM_PLAYBACK); } break; case SECONDARY_MI2S_TX: if (--(data->sec_mi2s_clk_count) == 0) { snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, 0, SNDRV_PCM_STREAM_CAPTURE); } break; case QUATERNARY_TDM_RX_0: case QUATERNARY_TDM_TX_0: if (--(data->quat_tdm_clk_count) == 0) { snd_soc_dai_set_sysclk(cpu_dai, Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, 0, SNDRV_PCM_STREAM_PLAYBACK); } break; case SLIMBUS_0_RX...SLIMBUS_6_TX: case QUATERNARY_MI2S_RX: break; default: pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); break; } } static int sdm845_snd_prepare(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; int ret; if (!sruntime) return 0; if (data->stream_prepared[cpu_dai->id]) { sdw_disable_stream(sruntime); sdw_deprepare_stream(sruntime); data->stream_prepared[cpu_dai->id] = false; } ret = sdw_prepare_stream(sruntime); if (ret) return ret; /** * NOTE: there is a strict hw requirement about the ordering of port * enables and actual WSA881x PA enable. PA enable should only happen * after soundwire ports are enabled if not DC on the line is * accumulated resulting in Click/Pop Noise * PA enable/mute are handled as part of codec DAPM and digital mute. */ ret = sdw_enable_stream(sruntime); if (ret) { sdw_deprepare_stream(sruntime); return ret; } data->stream_prepared[cpu_dai->id] = true; return ret; } static int sdm845_snd_hw_free(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; if (sruntime && data->stream_prepared[cpu_dai->id]) { sdw_disable_stream(sruntime); sdw_deprepare_stream(sruntime); data->stream_prepared[cpu_dai->id] = false; } return 0; } static const struct snd_soc_ops sdm845_be_ops = { .hw_params = sdm845_snd_hw_params, .hw_free = sdm845_snd_hw_free, .prepare = sdm845_snd_prepare, .startup = sdm845_snd_startup, .shutdown = sdm845_snd_shutdown, }; static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K; channels->min = channels->max = 2; snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); return 0; } static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SPK("Left Spk", NULL), SND_SOC_DAPM_SPK("Right Spk", NULL), SND_SOC_DAPM_MIC("Int Mic", NULL), }; static void sdm845_add_ops(struct snd_soc_card *card) { struct snd_soc_dai_link *link; int i; for_each_card_prelinks(card, i, link) { if (link->no_pcm == 1) { link->ops = &sdm845_be_ops; link->be_hw_params_fixup = sdm845_be_hw_params_fixup; } link->init = sdm845_dai_init; } } static int sdm845_snd_platform_probe(struct platform_device *pdev) { struct snd_soc_card *card; struct sdm845_snd_data *data; struct device *dev = &pdev->dev; int ret; card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); if (!card) return -ENOMEM; /* Allocate the private data */ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; card->driver_name = DRIVER_NAME; card->dapm_widgets = sdm845_snd_widgets; card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets); card->dev = dev; card->owner = THIS_MODULE; dev_set_drvdata(dev, card); ret = qcom_snd_parse_of(card); if (ret) return ret; data->card = card; snd_soc_card_set_drvdata(card, data); sdm845_add_ops(card); return devm_snd_soc_register_card(dev, card); } static const struct of_device_id sdm845_snd_device_id[] = { { .compatible = "qcom,sdm845-sndcard" }, { .compatible = "qcom,db845c-sndcard" }, { .compatible = "lenovo,yoga-c630-sndcard" }, {}, }; MODULE_DEVICE_TABLE(of, sdm845_snd_device_id); static struct platform_driver sdm845_snd_driver = { .probe = sdm845_snd_platform_probe, .driver = { .name = "msm-snd-sdm845", .of_match_table = sdm845_snd_device_id, }, }; module_platform_driver(sdm845_snd_driver); MODULE_DESCRIPTION("sdm845 ASoC Machine Driver"); MODULE_LICENSE("GPL v2");