129 lines
3.0 KiB
C
129 lines
3.0 KiB
C
/*
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* Copyright (c) 2022 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <errno.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <zephyr/spinlock.h>
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#include <zephyr/devicetree.h>
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#include <zephyr/logging/log.h>
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#define DT_DRV_COMPAT intel_hda_dai
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#define LOG_DOMAIN dai_intel_hda
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LOG_MODULE_REGISTER(LOG_DOMAIN);
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#include "hda.h"
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static int dai_hda_trigger(const struct device *dev, enum dai_dir dir,
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enum dai_trigger_cmd cmd)
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{
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LOG_DBG("cmd %d", cmd);
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return 0;
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}
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/* Digital Audio interface formatting */
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static int dai_hda_set_config_tplg(struct dai_intel_hda *dp, const void *spec_config)
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{
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struct dai_intel_hda_pdata *hda = dai_get_drvdata(dp);
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const struct dai_intel_ipc_hda_params *config = spec_config;
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if (config->channels)
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hda->params.channels = config->channels;
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if (config->rate)
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hda->params.rate = config->rate;
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return 0;
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}
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static int dai_hda_config_get(const struct device *dev, struct dai_config *cfg, enum dai_dir dir)
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{
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struct dai_config *params = (struct dai_config *)dev->config;
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struct dai_intel_hda *dp = (struct dai_intel_hda *)dev->data;
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struct dai_intel_hda_pdata *hda = dai_get_drvdata(dp);
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if (!cfg) {
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return -EINVAL;
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}
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params->rate = hda->params.rate;
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params->channels = hda->params.channels;
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params->word_size = DAI_INTEL_HDA_DEFAULT_WORD_SIZE;
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*cfg = *params;
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return 0;
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}
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static int dai_hda_config_set(const struct device *dev, const struct dai_config *cfg,
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const void *bespoke_cfg)
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{
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struct dai_intel_hda *dp = (struct dai_intel_hda *)dev->data;
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if (cfg->type == DAI_INTEL_HDA)
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return dai_hda_set_config_tplg(dp, bespoke_cfg);
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return 0;
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}
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static const struct dai_properties *dai_hda_get_properties(const struct device *dev,
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enum dai_dir dir, int stream_id)
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{
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struct dai_intel_hda *dp = (struct dai_intel_hda *)dev->data;
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struct dai_intel_hda_pdata *hda = dai_get_drvdata(dp);
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struct dai_properties *prop = &hda->props;
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prop->fifo_address = 0;
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prop->dma_hs_id = 0;
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prop->stream_id = 0;
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return prop;
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}
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static int dai_hda_probe(const struct device *dev)
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{
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LOG_DBG("%s", __func__);
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return 0;
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}
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static int dai_hda_remove(const struct device *dev)
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{
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LOG_DBG("%s", __func__);
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return 0;
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}
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static const struct dai_driver_api dai_intel_hda_api_funcs = {
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.probe = dai_hda_probe,
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.remove = dai_hda_remove,
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.config_set = dai_hda_config_set,
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.config_get = dai_hda_config_get,
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.trigger = dai_hda_trigger,
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.get_properties = dai_hda_get_properties,
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};
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#define DAI_INTEL_HDA_DEVICE_INIT(n) \
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static struct dai_config dai_intel_hda_config_##n = { \
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.type = DAI_INTEL_HDA, \
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.dai_index = DT_INST_REG_ADDR(n), \
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}; \
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static struct dai_intel_hda dai_intel_hda_data_##n = { \
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.index = DT_INST_REG_ADDR(n) \
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\
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}; \
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\
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DEVICE_DT_INST_DEFINE(n, \
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NULL, NULL, \
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&dai_intel_hda_data_##n, \
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&dai_intel_hda_config_##n, \
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POST_KERNEL, 32, \
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&dai_intel_hda_api_funcs);
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DT_INST_FOREACH_STATUS_OKAY(DAI_INTEL_HDA_DEVICE_INIT)
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