// 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; 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; /* set callback to be called on successful device probe to enable runtime_pm */ sof_pdata->sof_probe_complete = sof_of_probe_complete; /* call sof helper for DSP hardware probe */ return snd_sof_device_probe(dev, sof_pdata); } 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");