123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153 |
- // 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");
|