[linux-2.6-block.git] / sound / soc / sof / sof-acpi-dev.c

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license.  When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
//

#include <linux/acpi.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <sound/soc-acpi.h>
#include <sound/soc-acpi-intel-match.h>
#include <sound/sof.h>
#include "../intel/common/soc-intel-quirks.h"
#include "ops.h"
#include "sof-acpi-dev.h"

/* platform specific devices */
#include "intel/shim.h"

static char *fw_path;
module_param(fw_path, charp, 0444);
MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");

static char *tplg_path;
module_param(tplg_path, charp, 0444);
MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");

static int sof_acpi_debug;
module_param_named(sof_acpi_debug, sof_acpi_debug, int, 0444);
MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI debug options (0x0 all off)");

#define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0)

const struct dev_pm_ops sof_acpi_pm = {
	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
			   snd_sof_runtime_idle)
};
EXPORT_SYMBOL_NS(sof_acpi_pm, SND_SOC_SOF_ACPI_DEV);

static void sof_acpi_probe_complete(struct device *dev)
{
	dev_dbg(dev, "Completing SOF ACPI probe");

	if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)
		return;

	/* allow runtime_pm */
	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
	pm_runtime_use_autosuspend(dev);
	pm_runtime_enable(dev);
}

int sof_acpi_probe(struct platform_device *pdev, const struct sof_dev_desc *desc)
{
	struct device *dev = &pdev->dev;
	struct snd_sof_pdata *sof_pdata;

	dev_dbg(dev, "ACPI DSP detected");

	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
	if (!sof_pdata)
		return -ENOMEM;

	if (!desc->ops) {
		dev_err(dev, "error: no matching ACPI descriptor ops\n");
		return -ENODEV;
	}

	sof_pdata->desc = desc;
	sof_pdata->dev = &pdev->dev;

	sof_pdata->ipc_file_profile_base.ipc_type = desc->ipc_default;
	sof_pdata->ipc_file_profile_base.fw_path = fw_path;
	sof_pdata->ipc_file_profile_base.tplg_path = tplg_path;

	/* set callback to be called on successful device probe to enable runtime_pm */
	sof_pdata->sof_probe_complete = sof_acpi_probe_complete;

	/* call sof helper for DSP hardware probe */
	return snd_sof_device_probe(dev, sof_pdata);
}
EXPORT_SYMBOL_NS(sof_acpi_probe, SND_SOC_SOF_ACPI_DEV);

void sof_acpi_remove(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;

	if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME))
		pm_runtime_disable(dev);

	/* call sof helper for DSP hardware remove */
	snd_sof_device_remove(dev);
}
EXPORT_SYMBOL_NS(sof_acpi_remove, SND_SOC_SOF_ACPI_DEV);

MODULE_LICENSE("Dual BSD/GPL");
Commit	Line	Data
e149ca29	1	// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
cd679898 LG	2	//
	3	// This file is provided under a dual BSD/GPLv2 license. When using or
	4	// redistributing this file, you may do so under either license.
	5	//
	6	// Copyright(c) 2018 Intel Corporation. All rights reserved.
	7	//
	8	// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
	9	//
	10
	11	#include <linux/acpi.h>
	12	#include <linux/firmware.h>
	13	#include <linux/module.h>
	14	#include <linux/pm_runtime.h>
	15	#include <sound/soc-acpi.h>
	16	#include <sound/soc-acpi-intel-match.h>
	17	#include <sound/sof.h>
536cfd2f	18	#include "../intel/common/soc-intel-quirks.h"
cd679898	19	#include "ops.h"
8a49cd11	20	#include "sof-acpi-dev.h"
cd679898 LG	21
	22	/* platform specific devices */
	23	#include "intel/shim.h"
	24
	25	static char *fw_path;
	26	module_param(fw_path, charp, 0444);
	27	MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
	28
	29	static char *tplg_path;
	30	module_param(tplg_path, charp, 0444);
	31	MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
	32
70b0c75a PLB	33	static int sof_acpi_debug;
	34	module_param_named(sof_acpi_debug, sof_acpi_debug, int, 0444);
	35	MODULE_PARM_DESC(sof_acpi_debug, "SOF ACPI debug options (0x0 all off)");
	36
	37	#define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0)
	38
8a49cd11	39	const struct dev_pm_ops sof_acpi_pm = {
cd679898 LG	40	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
cd679898 LG	41	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
62fde977	42	snd_sof_runtime_idle)
cd679898	43	};
8a49cd11	44	EXPORT_SYMBOL_NS(sof_acpi_pm, SND_SOC_SOF_ACPI_DEV);
cd679898 LG	45
	46	static void sof_acpi_probe_complete(struct device *dev)
	47	{
71d551f5 PLB	48	dev_dbg(dev, "Completing SOF ACPI probe");
71d551f5 PLB	49
70b0c75a PLB	50	if (sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME)
	51	return;
	52
cd679898 LG	53	/* allow runtime_pm */
	54	pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
	55	pm_runtime_use_autosuspend(dev);
	56	pm_runtime_enable(dev);
	57	}
	58
8a49cd11	59	int sof_acpi_probe(struct platform_device pdev, const struct sof_dev_desc desc)
cd679898 LG	60	{
cd679898 LG	61	struct device *dev = &pdev->dev;
cd679898	62	struct snd_sof_pdata *sof_pdata;
cd679898	63
f7313f9f	64	dev_dbg(dev, "ACPI DSP detected");
cd679898 LG	65
	66	sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
	67	if (!sof_pdata)
	68	return -ENOMEM;
	69
fd979ec1	70	if (!desc->ops) {
cd679898 LG	71	dev_err(dev, "error: no matching ACPI descriptor ops\n");
	72	return -ENODEV;
	73	}
	74
cd679898 LG	75	sof_pdata->desc = desc;
cd679898 LG	76	sof_pdata->dev = &pdev->dev;
cd679898	77
a07625dc PU	78	sof_pdata->ipc_file_profile_base.ipc_type = desc->ipc_default;
	79	sof_pdata->ipc_file_profile_base.fw_path = fw_path;
	80	sof_pdata->ipc_file_profile_base.tplg_path = tplg_path;
	81
4d1284cd	82	/* set callback to be called on successful device probe to enable runtime_pm */
cd679898	83	sof_pdata->sof_probe_complete = sof_acpi_probe_complete;
cd679898	84
4d1284cd PU	85	/* call sof helper for DSP hardware probe */
4d1284cd PU	86	return snd_sof_device_probe(dev, sof_pdata);
cd679898	87	}
8a49cd11	88	EXPORT_SYMBOL_NS(sof_acpi_probe, SND_SOC_SOF_ACPI_DEV);
cd679898	89
52fee5c9	90	void sof_acpi_remove(struct platform_device *pdev)
cd679898	91	{
8a49cd11 AB	92	struct device *dev = &pdev->dev;
8a49cd11 AB	93
70b0c75a	94	if (!(sof_acpi_debug & SOF_ACPI_DISABLE_PM_RUNTIME))
8a49cd11	95	pm_runtime_disable(dev);
cd679898 LG	96
cd679898 LG	97	/* call sof helper for DSP hardware remove */
8a49cd11	98	snd_sof_device_remove(dev);
cd679898	99	}
8a49cd11	100	EXPORT_SYMBOL_NS(sof_acpi_remove, SND_SOC_SOF_ACPI_DEV);
cd679898 LG	101
cd679898 LG	102	MODULE_LICENSE("Dual BSD/GPL");