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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 /include/sound/sdca.h | |
| 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 'include/sound/sdca.h')
| -rw-r--r-- | include/sound/sdca.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/include/sound/sdca.h b/include/sound/sdca.h new file mode 100644 index 000000000..2bdf4e333 --- /dev/null +++ b/include/sound/sdca.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* + * The MIPI SDCA specification is available for public downloads at + * https://www.mipi.org/mipi-sdca-v1-0-download + * + * Copyright(c) 2024 Intel Corporation + */ + +#ifndef __SDCA_H__ +#define __SDCA_H__ + +#include <linux/types.h> +#include <linux/kconfig.h> + +struct acpi_table_swft; +struct fwnode_handle; +struct sdw_slave; +struct sdca_dev; + +#define SDCA_MAX_FUNCTION_COUNT 8 + +/** + * struct sdca_function_desc - short descriptor for an SDCA Function + * @node: firmware node for the Function. + * @func_dev: pointer to SDCA function device. + * @name: Human-readable string. + * @type: Function topology type. + * @adr: ACPI address (used for SDCA register access). + * @duplicate: Internal flag to indicate if other functions of the same type + * exist. + */ +struct sdca_function_desc { + struct fwnode_handle *node; + struct sdca_dev *func_dev; + const char *name; + u32 type; + u8 adr; + + bool duplicate; +}; + +/** + * struct sdca_device_data - structure containing all SDCA related information + * @interface_revision: Value read from _DSD property, mainly to check + * for changes between silicon versions. + * @num_functions: Total number of supported SDCA functions. Invalid/unsupported + * functions will be skipped. + * @function: Array of function descriptors. + * @swft: Pointer to the SWFT table, if available. + */ +struct sdca_device_data { + u32 interface_revision; + int num_functions; + struct sdca_function_desc function[SDCA_MAX_FUNCTION_COUNT]; + struct acpi_table_swft *swft; +}; + +enum sdca_quirk { + SDCA_QUIRKS_RT712_VB, + SDCA_QUIRKS_SKIP_FUNC_TYPE_PATCHING, +}; + +#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SDCA) + +void sdca_lookup_functions(struct sdw_slave *slave); +void sdca_lookup_swft(struct sdw_slave *slave); +void sdca_lookup_interface_revision(struct sdw_slave *slave); +bool sdca_device_quirk_match(struct sdw_slave *slave, enum sdca_quirk quirk); +int sdca_dev_register_functions(struct sdw_slave *slave); +void sdca_dev_unregister_functions(struct sdw_slave *slave); + +#else + +static inline void sdca_lookup_functions(struct sdw_slave *slave) {} +static inline void sdca_lookup_swft(struct sdw_slave *slave) {} +static inline void sdca_lookup_interface_revision(struct sdw_slave *slave) {} +static inline bool sdca_device_quirk_match(struct sdw_slave *slave, enum sdca_quirk quirk) +{ + return false; +} + +static inline int sdca_dev_register_functions(struct sdw_slave *slave) +{ + return 0; +} + +static inline void sdca_dev_unregister_functions(struct sdw_slave *slave) {} + +#endif + +#endif |
