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153 lines
3.9 KiB
153 lines
3.9 KiB
// 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 <[email protected]> |
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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/pm_runtime.h> |
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#include <sound/sof.h> |
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#include "ops.h" |
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extern struct snd_sof_dsp_ops sof_imx8_ops; |
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extern struct snd_sof_dsp_ops sof_imx8x_ops; |
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extern struct snd_sof_dsp_ops sof_imx8m_ops; |
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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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const struct snd_sof_dsp_ops *ops; |
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int ret; |
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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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/* get ops for platform */ |
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ops = desc->ops; |
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if (!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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/* TODO: read alternate fw and tplg filenames from DT */ |
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sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path; |
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sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path; |
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) |
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/* set callback to enable runtime_pm */ |
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sof_pdata->sof_probe_complete = sof_of_probe_complete; |
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#endif |
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/* call sof helper for DSP hardware probe */ |
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ret = snd_sof_device_probe(dev, sof_pdata); |
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if (ret) { |
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dev_err(dev, "error: failed to probe DSP hardware\n"); |
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return ret; |
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} |
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#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE) |
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sof_of_probe_complete(dev); |
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#endif |
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return ret; |
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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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