From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 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 ... --- include/sound/sdca.h | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 include/sound/sdca.h (limited to 'include/sound/sdca.h') 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 +#include + +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 -- cgit v1.3.1