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1// SPDX-License-Identifier: GPL-2.02// Copyright (c) 2023, Linaro Limited3 4#include <dt-bindings/sound/qcom,q6afe.h>5#include <linux/module.h>6#include <linux/platform_device.h>7#include <linux/soundwire/sdw.h>8#include <sound/pcm.h>9#include <sound/jack.h>10#include <sound/soc.h>11#include <sound/soc-dapm.h>12 13#include "common.h"14#include "qdsp6/q6afe.h"15#include "qdsp6/q6dsp-common.h"16#include "sdw.h"17 18struct x1e80100_snd_data {19 bool stream_prepared[AFE_PORT_MAX];20 struct snd_soc_card *card;21 struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];22 struct snd_soc_jack jack;23 struct snd_soc_jack dp_jack[8];24 bool jack_setup;25};26 27static int x1e80100_snd_init(struct snd_soc_pcm_runtime *rtd)28{29 struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);30 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);31 struct snd_soc_jack *dp_jack = NULL;32 int dp_pcm_id = 0;33 34 switch (cpu_dai->id) {35 case DISPLAY_PORT_RX_0:36 dp_pcm_id = 0;37 dp_jack = &data->dp_jack[dp_pcm_id];38 break;39 case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7:40 dp_pcm_id = cpu_dai->id - DISPLAY_PORT_RX_1 + 1;41 dp_jack = &data->dp_jack[dp_pcm_id];42 break;43 default:44 break;45 }46 47 if (dp_jack)48 return qcom_snd_dp_jack_setup(rtd, dp_jack, dp_pcm_id);49 50 return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);51}52 53static void x1e80100_snd_shutdown(struct snd_pcm_substream *substream)54{55 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);56 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);57 struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);58 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];59 60 data->sruntime[cpu_dai->id] = NULL;61 sdw_release_stream(sruntime);62}63 64static int x1e80100_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,65 struct snd_pcm_hw_params *params)66{67 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);68 struct snd_interval *rate = hw_param_interval(params,69 SNDRV_PCM_HW_PARAM_RATE);70 struct snd_interval *channels = hw_param_interval(params,71 SNDRV_PCM_HW_PARAM_CHANNELS);72 73 rate->min = rate->max = 48000;74 switch (cpu_dai->id) {75 case TX_CODEC_DMA_TX_0:76 case TX_CODEC_DMA_TX_1:77 case TX_CODEC_DMA_TX_2:78 case TX_CODEC_DMA_TX_3:79 channels->min = 1;80 break;81 default:82 break;83 }84 85 return 0;86}87 88static int x1e80100_snd_hw_params(struct snd_pcm_substream *substream,89 struct snd_pcm_hw_params *params)90{91 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);92 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);93 struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);94 95 return qcom_snd_sdw_hw_params(substream, params, &data->sruntime[cpu_dai->id]);96}97 98static int x1e80100_snd_prepare(struct snd_pcm_substream *substream)99{100 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);101 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);102 struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);103 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];104 const unsigned int rx_slot[4] = { PCM_CHANNEL_FL,105 PCM_CHANNEL_LB,106 PCM_CHANNEL_FR,107 PCM_CHANNEL_RB };108 int ret;109 110 switch (cpu_dai->id) {111 case WSA_CODEC_DMA_RX_0:112 case WSA_CODEC_DMA_RX_1:113 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,114 ARRAY_SIZE(rx_slot), rx_slot);115 if (ret)116 return ret;117 break;118 default:119 break;120 }121 122 return qcom_snd_sdw_prepare(substream, sruntime,123 &data->stream_prepared[cpu_dai->id]);124}125 126static int x1e80100_snd_hw_free(struct snd_pcm_substream *substream)127{128 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);129 struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);130 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);131 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];132 133 return qcom_snd_sdw_hw_free(substream, sruntime,134 &data->stream_prepared[cpu_dai->id]);135}136 137static const struct snd_soc_ops x1e80100_be_ops = {138 .startup = qcom_snd_sdw_startup,139 .shutdown = x1e80100_snd_shutdown,140 .hw_params = x1e80100_snd_hw_params,141 .hw_free = x1e80100_snd_hw_free,142 .prepare = x1e80100_snd_prepare,143};144 145static void x1e80100_add_be_ops(struct snd_soc_card *card)146{147 struct snd_soc_dai_link *link;148 int i;149 150 for_each_card_prelinks(card, i, link) {151 if (link->no_pcm == 1) {152 link->init = x1e80100_snd_init;153 link->be_hw_params_fixup = x1e80100_be_hw_params_fixup;154 link->ops = &x1e80100_be_ops;155 }156 }157}158 159static int x1e80100_platform_probe(struct platform_device *pdev)160{161 struct snd_soc_card *card;162 struct x1e80100_snd_data *data;163 struct device *dev = &pdev->dev;164 int ret;165 166 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);167 if (!card)168 return -ENOMEM;169 /* Allocate the private data */170 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);171 if (!data)172 return -ENOMEM;173 174 card->owner = THIS_MODULE;175 card->dev = dev;176 dev_set_drvdata(dev, card);177 snd_soc_card_set_drvdata(card, data);178 179 ret = qcom_snd_parse_of(card);180 if (ret)181 return ret;182 183 card->driver_name = "x1e80100";184 x1e80100_add_be_ops(card);185 186 return devm_snd_soc_register_card(dev, card);187}188 189static const struct of_device_id snd_x1e80100_dt_match[] = {190 { .compatible = "qcom,x1e80100-sndcard", },191 {}192};193MODULE_DEVICE_TABLE(of, snd_x1e80100_dt_match);194 195static struct platform_driver snd_x1e80100_driver = {196 .probe = x1e80100_platform_probe,197 .driver = {198 .name = "snd-x1e80100",199 .of_match_table = snd_x1e80100_dt_match,200 },201};202module_platform_driver(snd_x1e80100_driver);203MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");204MODULE_AUTHOR("Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>");205MODULE_DESCRIPTION("Qualcomm X1E80100 ASoC Machine Driver");206MODULE_LICENSE("GPL");207