diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/qcom/sdm845.c | 607 |
1 files changed, 607 insertions, 0 deletions
diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c new file mode 100644 index 000000000..d8d35563a --- /dev/null +++ b/sound/soc/qcom/sdm845.c @@ -0,0 +1,607 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/of_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/jack.h> +#include <sound/soc.h> +#include <linux/soundwire/sdw.h> +#include <uapi/linux/input-event-codes.h> +#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 slim_port_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_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_soc_dai_link *link = rtd->dai_link; + 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); + + 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: + /* setting up wcd multiple times for slim port is redundant */ + if (pdata->slim_port_setup || !link->no_pcm) + return 0; + + 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; + } + } + + pdata->slim_port_setup = true; + + break; + default: + break; + } + + return 0; +} + + +static int sdm845_snd_startup(struct snd_pcm_substream *substream) +{ + unsigned int fmt = SND_SOC_DAIFMT_BP_FP; + unsigned int codec_dai_fmt = SND_SOC_DAIFMT_BC_FC; + 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, fmt); + + + 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"); |