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This allows specifying an alternate path for SOF firmware or SOF topology. This is particularly useful for i.MX when running Linux vs Android. Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20211005071949.1277613-1-daniel.baluta@oss.nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// Copyright 2019 NXP
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//
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// Author: Daniel Baluta <daniel.baluta@nxp.com>
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//
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/pm_runtime.h>
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#include <sound/sof.h>
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#include "ops.h"
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#include "imx/imx-ops.h"
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static char *fw_path;
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module_param(fw_path, charp, 0444);
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MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
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static char *tplg_path;
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module_param(tplg_path, charp, 0444);
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MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
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/* platform specific devices */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
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static struct sof_dev_desc sof_of_imx8qxp_desc = {
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.default_fw_path = "imx/sof",
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.default_tplg_path = "imx/sof-tplg",
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.default_fw_filename = "sof-imx8x.ri",
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.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
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.ops = &sof_imx8x_ops,
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};
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static struct sof_dev_desc sof_of_imx8qm_desc = {
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.default_fw_path = "imx/sof",
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.default_tplg_path = "imx/sof-tplg",
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.default_fw_filename = "sof-imx8.ri",
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.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
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.ops = &sof_imx8_ops,
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
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static struct sof_dev_desc sof_of_imx8mp_desc = {
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.default_fw_path = "imx/sof",
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.default_tplg_path = "imx/sof-tplg",
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.default_fw_filename = "sof-imx8m.ri",
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.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
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.ops = &sof_imx8m_ops,
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};
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#endif
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static const struct dev_pm_ops sof_of_pm = {
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.prepare = snd_sof_prepare,
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.complete = snd_sof_complete,
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SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
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SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
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NULL)
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};
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static void sof_of_probe_complete(struct device *dev)
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{
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/* allow runtime_pm */
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pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
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pm_runtime_use_autosuspend(dev);
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pm_runtime_set_active(dev);
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pm_runtime_enable(dev);
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pm_runtime_mark_last_busy(dev);
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pm_runtime_put_autosuspend(dev);
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}
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static int sof_of_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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const struct sof_dev_desc *desc;
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struct snd_sof_pdata *sof_pdata;
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dev_info(&pdev->dev, "DT DSP detected");
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sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
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if (!sof_pdata)
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return -ENOMEM;
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desc = device_get_match_data(dev);
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if (!desc)
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return -ENODEV;
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if (!desc->ops) {
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dev_err(dev, "error: no matching DT descriptor ops\n");
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return -ENODEV;
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}
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sof_pdata->desc = desc;
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sof_pdata->dev = &pdev->dev;
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sof_pdata->fw_filename = desc->default_fw_filename;
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if (fw_path)
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sof_pdata->fw_filename_prefix = fw_path;
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else
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sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
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if (tplg_path)
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sof_pdata->tplg_filename_prefix = tplg_path;
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else
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sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
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/* set callback to be called on successful device probe to enable runtime_pm */
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sof_pdata->sof_probe_complete = sof_of_probe_complete;
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/* call sof helper for DSP hardware probe */
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return snd_sof_device_probe(dev, sof_pdata);
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}
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static int sof_of_remove(struct platform_device *pdev)
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{
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pm_runtime_disable(&pdev->dev);
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/* call sof helper for DSP hardware remove */
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snd_sof_device_remove(&pdev->dev);
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return 0;
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}
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static const struct of_device_id sof_of_ids[] = {
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
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{ .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
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{ .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
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{ .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc},
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#endif
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{ }
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};
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MODULE_DEVICE_TABLE(of, sof_of_ids);
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/* DT driver definition */
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static struct platform_driver snd_sof_of_driver = {
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.probe = sof_of_probe,
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.remove = sof_of_remove,
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.driver = {
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.name = "sof-audio-of",
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.pm = &sof_of_pm,
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.of_match_table = sof_of_ids,
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},
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};
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module_platform_driver(snd_sof_of_driver);
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MODULE_LICENSE("Dual BSD/GPL");
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