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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /sound/soc/sof/sof-acpi-dev.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'sound/soc/sof/sof-acpi-dev.c')
| -rw-r--r-- | sound/soc/sof/sof-acpi-dev.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-acpi-dev.c b/sound/soc/sof/sof-acpi-dev.c new file mode 100644 index 000000000..68bf1b570 --- /dev/null +++ b/sound/soc/sof/sof-acpi-dev.c @@ -0,0 +1,102 @@ +// 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 +// +// 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, "deprecated - moved to snd-sof module."); + +static char *tplg_path; +module_param(tplg_path, charp, 0444); +MODULE_PARM_DESC(tplg_path, "deprecated - moved to snd-sof module."); + +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) + +EXPORT_NS_DEV_PM_OPS(sof_acpi_pm, SND_SOC_SOF_ACPI_DEV) = { + SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume) + RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume, + snd_sof_runtime_idle) +}; + +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"); +MODULE_DESCRIPTION("SOF support for ACPI platforms"); |
