Orange Pi5 kernel

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// Copyright 2019 NXP
//
// Author: Daniel Baluta <daniel.baluta@nxp.com>
//
 
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <sound/sof.h>
 
#include "ops.h"
 
extern struct snd_sof_dsp_ops sof_imx8_ops;
extern struct snd_sof_dsp_ops sof_imx8x_ops;
extern struct snd_sof_dsp_ops sof_imx8m_ops;
 
/* platform specific devices */
#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
static struct sof_dev_desc sof_of_imx8qxp_desc = {
<------>.default_fw_path = "imx/sof",
<------>.default_tplg_path = "imx/sof-tplg",
<------>.default_fw_filename = "sof-imx8x.ri",
<------>.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
<------>.ops = &sof_imx8x_ops,
};
 
static struct sof_dev_desc sof_of_imx8qm_desc = {
<------>.default_fw_path = "imx/sof",
<------>.default_tplg_path = "imx/sof-tplg",
<------>.default_fw_filename = "sof-imx8.ri",
<------>.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
<------>.ops = &sof_imx8_ops,
};
#endif
 
#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
static struct sof_dev_desc sof_of_imx8mp_desc = {
<------>.default_fw_path = "imx/sof",
<------>.default_tplg_path = "imx/sof-tplg",
<------>.default_fw_filename = "sof-imx8m.ri",
<------>.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
<------>.ops = &sof_imx8m_ops,
};
#endif
 
static const struct dev_pm_ops sof_of_pm = {
<------>.prepare = snd_sof_prepare,
<------>.complete = snd_sof_complete,
<------>SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
<------>SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
<------><------><------>   NULL)
};
 
static void sof_of_probe_complete(struct device *dev)
{
<------>/* allow runtime_pm */
<------>pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
<------>pm_runtime_use_autosuspend(dev);
<------>pm_runtime_set_active(dev);
<------>pm_runtime_enable(dev);
 
<------>pm_runtime_mark_last_busy(dev);
<------>pm_runtime_put_autosuspend(dev);
}
 
static int sof_of_probe(struct platform_device *pdev)
{
<------>struct device *dev = &pdev->dev;
<------>const struct sof_dev_desc *desc;
<------>struct snd_sof_pdata *sof_pdata;
<------>const struct snd_sof_dsp_ops *ops;
<------>int ret;
 
<------>dev_info(&pdev->dev, "DT DSP detected");
 
<------>sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
<------>if (!sof_pdata)
<------><------>return -ENOMEM;
 
<------>desc = device_get_match_data(dev);
<------>if (!desc)
<------><------>return -ENODEV;
 
<------>/* get ops for platform */
<------>ops = desc->ops;
<------>if (!ops) {
<------><------>dev_err(dev, "error: no matching DT descriptor ops\n");
<------><------>return -ENODEV;
<------>}
 
<------>sof_pdata->desc = desc;
<------>sof_pdata->dev = &pdev->dev;
<------>sof_pdata->fw_filename = desc->default_fw_filename;
 
<------>/* TODO: read alternate fw and tplg filenames from DT */
<------>sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
<------>sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
 
#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
<------>/* set callback to enable runtime_pm */
<------>sof_pdata->sof_probe_complete = sof_of_probe_complete;
#endif
<------> /* call sof helper for DSP hardware probe */
<------>ret = snd_sof_device_probe(dev, sof_pdata);
<------>if (ret) {
<------><------>dev_err(dev, "error: failed to probe DSP hardware\n");
<------><------>return ret;
<------>}
 
#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
<------>sof_of_probe_complete(dev);
#endif
 
<------>return ret;
}
 
static int sof_of_remove(struct platform_device *pdev)
{
<------>pm_runtime_disable(&pdev->dev);
 
<------>/* call sof helper for DSP hardware remove */
<------>snd_sof_device_remove(&pdev->dev);
 
<------>return 0;
}
 
static const struct of_device_id sof_of_ids[] = {
#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
<------>{ .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
<------>{ .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
<------>{ .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc},
#endif
<------>{ }
};
MODULE_DEVICE_TABLE(of, sof_of_ids);
 
/* DT driver definition */
static struct platform_driver snd_sof_of_driver = {
<------>.probe = sof_of_probe,
<------>.remove = sof_of_remove,
<------>.driver = {
<------><------>.name = "sof-audio-of",
<------><------>.pm = &sof_of_pm,
<------><------>.of_match_table = sof_of_ids,
<------>},
};
module_platform_driver(snd_sof_of_driver);
 
MODULE_LICENSE("Dual BSD/GPL");