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v5.9
  1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
  2//
  3// Copyright 2019 NXP
  4//
  5// Author: Daniel Baluta <daniel.baluta@nxp.com>
  6//
  7
  8#include <linux/firmware.h>
  9#include <linux/module.h>
 10#include <linux/pm_runtime.h>
 11#include <sound/sof.h>
 12
 13#include "ops.h"
 14
 15extern struct snd_sof_dsp_ops sof_imx8_ops;
 16extern struct snd_sof_dsp_ops sof_imx8x_ops;
 17extern struct snd_sof_dsp_ops sof_imx8m_ops;
 18
 19/* platform specific devices */
 20#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
 21static struct sof_dev_desc sof_of_imx8qxp_desc = {
 22	.default_fw_path = "imx/sof",
 23	.default_tplg_path = "imx/sof-tplg",
 24	.default_fw_filename = "sof-imx8x.ri",
 25	.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
 26	.ops = &sof_imx8x_ops,
 27};
 28
 29static struct sof_dev_desc sof_of_imx8qm_desc = {
 30	.default_fw_path = "imx/sof",
 31	.default_tplg_path = "imx/sof-tplg",
 32	.default_fw_filename = "sof-imx8.ri",
 33	.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
 34	.ops = &sof_imx8_ops,
 35};
 36#endif
 37
 38#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
 39static struct sof_dev_desc sof_of_imx8mp_desc = {
 40	.default_fw_path = "imx/sof",
 41	.default_tplg_path = "imx/sof-tplg",
 42	.default_fw_filename = "sof-imx8m.ri",
 43	.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
 44	.ops = &sof_imx8m_ops,
 45};
 46#endif
 47
 48static const struct dev_pm_ops sof_of_pm = {
 49	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
 50	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
 51			   NULL)
 52};
 53
 54static void sof_of_probe_complete(struct device *dev)
 55{
 56	/* allow runtime_pm */
 57	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
 58	pm_runtime_use_autosuspend(dev);
 59	pm_runtime_enable(dev);
 60}
 61
 62static int sof_of_probe(struct platform_device *pdev)
 63{
 64	struct device *dev = &pdev->dev;
 65	const struct sof_dev_desc *desc;
 
 
 66	struct snd_sof_pdata *sof_pdata;
 67	const struct snd_sof_dsp_ops *ops;
 68	int ret;
 69
 70	dev_info(&pdev->dev, "DT DSP detected");
 71
 72	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
 73	if (!sof_pdata)
 74		return -ENOMEM;
 75
 76	desc = device_get_match_data(dev);
 77	if (!desc)
 78		return -ENODEV;
 79
 80	/* get ops for platform */
 81	ops = desc->ops;
 82	if (!ops) {
 83		dev_err(dev, "error: no matching DT descriptor ops\n");
 84		return -ENODEV;
 85	}
 86
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 87	sof_pdata->desc = desc;
 88	sof_pdata->dev = &pdev->dev;
 89	sof_pdata->fw_filename = desc->default_fw_filename;
 90
 91	/* TODO: read alternate fw and tplg filenames from DT */
 92	sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
 93	sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
 94
 95#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
 96	/* set callback to enable runtime_pm */
 97	sof_pdata->sof_probe_complete = sof_of_probe_complete;
 98#endif
 99	 /* call sof helper for DSP hardware probe */
100	ret = snd_sof_device_probe(dev, sof_pdata);
101	if (ret) {
102		dev_err(dev, "error: failed to probe DSP hardware\n");
103		return ret;
104	}
105
106#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
107	sof_of_probe_complete(dev);
108#endif
109
110	return ret;
111}
112
113static int sof_of_remove(struct platform_device *pdev)
114{
115	pm_runtime_disable(&pdev->dev);
116
117	/* call sof helper for DSP hardware remove */
118	snd_sof_device_remove(&pdev->dev);
119
120	return 0;
121}
122
123static const struct of_device_id sof_of_ids[] = {
124#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
125	{ .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
126	{ .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
127#endif
128#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M)
129	{ .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc},
130#endif
131	{ }
132};
133MODULE_DEVICE_TABLE(of, sof_of_ids);
134
135/* DT driver definition */
136static struct platform_driver snd_sof_of_driver = {
137	.probe = sof_of_probe,
138	.remove = sof_of_remove,
139	.driver = {
140		.name = "sof-audio-of",
141		.pm = &sof_of_pm,
142		.of_match_table = sof_of_ids,
143	},
144};
145module_platform_driver(snd_sof_of_driver);
146
147MODULE_LICENSE("Dual BSD/GPL");
v5.4
  1// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
  2//
  3// Copyright 2019 NXP
  4//
  5// Author: Daniel Baluta <daniel.baluta@nxp.com>
  6//
  7
  8#include <linux/firmware.h>
  9#include <linux/module.h>
 10#include <linux/pm_runtime.h>
 11#include <sound/sof.h>
 12
 13#include "ops.h"
 14
 15extern struct snd_sof_dsp_ops sof_imx8_ops;
 
 
 16
 17/* platform specific devices */
 18#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
 19static struct sof_dev_desc sof_of_imx8qxp_desc = {
 20	.default_fw_path = "imx/sof",
 21	.default_tplg_path = "imx/sof-tplg",
 22	.nocodec_fw_filename = "sof-imx8.ri",
 
 
 
 
 
 
 
 
 23	.nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
 24	.ops = &sof_imx8_ops,
 25};
 26#endif
 27
 
 
 
 
 
 
 
 
 
 
 28static const struct dev_pm_ops sof_of_pm = {
 29	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
 30	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
 31			   NULL)
 32};
 33
 34static void sof_of_probe_complete(struct device *dev)
 35{
 36	/* allow runtime_pm */
 37	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
 38	pm_runtime_use_autosuspend(dev);
 39	pm_runtime_enable(dev);
 40}
 41
 42static int sof_of_probe(struct platform_device *pdev)
 43{
 44	struct device *dev = &pdev->dev;
 45	const struct sof_dev_desc *desc;
 46	/*TODO: create a generic snd_soc_xxx_mach */
 47	struct snd_soc_acpi_mach *mach;
 48	struct snd_sof_pdata *sof_pdata;
 49	const struct snd_sof_dsp_ops *ops;
 50	int ret;
 51
 52	dev_info(&pdev->dev, "DT DSP detected");
 53
 54	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
 55	if (!sof_pdata)
 56		return -ENOMEM;
 57
 58	desc = device_get_match_data(dev);
 59	if (!desc)
 60		return -ENODEV;
 61
 62	/* get ops for platform */
 63	ops = desc->ops;
 64	if (!ops) {
 65		dev_err(dev, "error: no matching DT descriptor ops\n");
 66		return -ENODEV;
 67	}
 68
 69#if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
 70	/* force nocodec mode */
 71	dev_warn(dev, "Force to use nocodec mode\n");
 72	mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
 73	if (!mach)
 74		return -ENOMEM;
 75	ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
 76	if (ret < 0)
 77		return ret;
 78#else
 79	/* TODO: implement case where we actually have a codec */
 80	return -ENODEV;
 81#endif
 82
 83	if (mach)
 84		mach->mach_params.platform = dev_name(dev);
 85
 86	sof_pdata->machine = mach;
 87	sof_pdata->desc = desc;
 88	sof_pdata->dev = &pdev->dev;
 89	sof_pdata->platform = dev_name(dev);
 90
 91	/* TODO: read alternate fw and tplg filenames from DT */
 92	sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path;
 93	sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path;
 94
 95#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
 96	/* set callback to enable runtime_pm */
 97	sof_pdata->sof_probe_complete = sof_of_probe_complete;
 98#endif
 99	 /* call sof helper for DSP hardware probe */
100	ret = snd_sof_device_probe(dev, sof_pdata);
101	if (ret) {
102		dev_err(dev, "error: failed to probe DSP hardware\n");
103		return ret;
104	}
105
106#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
107	sof_of_probe_complete(dev);
108#endif
109
110	return ret;
111}
112
113static int sof_of_remove(struct platform_device *pdev)
114{
115	pm_runtime_disable(&pdev->dev);
116
117	/* call sof helper for DSP hardware remove */
118	snd_sof_device_remove(&pdev->dev);
119
120	return 0;
121}
122
123static const struct of_device_id sof_of_ids[] = {
124#if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8)
125	{ .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
 
 
 
 
126#endif
127	{ }
128};
129MODULE_DEVICE_TABLE(of, sof_of_ids);
130
131/* DT driver definition */
132static struct platform_driver snd_sof_of_driver = {
133	.probe = sof_of_probe,
134	.remove = sof_of_remove,
135	.driver = {
136		.name = "sof-audio-of",
137		.pm = &sof_of_pm,
138		.of_match_table = sof_of_ids,
139	},
140};
141module_platform_driver(snd_sof_of_driver);
142
143MODULE_LICENSE("Dual BSD/GPL");