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/ac97/codec.h | 116 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 include/sound/ac97/codec.h (limited to 'include/sound/ac97/codec.h') diff --git a/include/sound/ac97/codec.h b/include/sound/ac97/codec.h new file mode 100644 index 000000000..69aa7ee15 --- /dev/null +++ b/include/sound/ac97/codec.h @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2016 Robert Jarzmik + */ + +#ifndef __SOUND_AC97_CODEC2_H +#define __SOUND_AC97_CODEC2_H + +#include + +#define AC97_ID(vendor_id1, vendor_id2) \ + ((((vendor_id1) & 0xffff) << 16) | ((vendor_id2) & 0xffff)) +#define AC97_DRIVER_ID(vendor_id1, vendor_id2, mask_id1, mask_id2, _data) \ + { .id = (((vendor_id1) & 0xffff) << 16) | ((vendor_id2) & 0xffff), \ + .mask = (((mask_id1) & 0xffff) << 16) | ((mask_id2) & 0xffff), \ + .data = (_data) } + +struct ac97_controller; +struct clk; + +/** + * struct ac97_id - matches a codec device and driver on an ac97 bus + * @id: The significant bits if the codec vendor ID1 and ID2 + * @mask: Bitmask specifying which bits of the id field are significant when + * matching. A driver binds to a device when : + * ((vendorID1 << 8 | vendorID2) & (mask_id1 << 8 | mask_id2)) == id. + * @data: Private data used by the driver. + */ +struct ac97_id { + unsigned int id; + unsigned int mask; + void *data; +}; + +/** + * struct ac97_codec_device - a ac97 codec + * @dev: the core device + * @vendor_id: the vendor_id of the codec, as sensed on the AC-link + * @num: the codec number, 0 is primary, 1 is first slave, etc ... + * @clk: the clock BIT_CLK provided by the codec + * @ac97_ctrl: ac97 digital controller on the same AC-link + * + * This is the device instantiated for each codec living on a AC-link. There are + * normally 0 to 4 codec devices per AC-link, and all of them are controlled by + * an AC97 digital controller. + */ +struct ac97_codec_device { + struct device dev; + unsigned int vendor_id; + unsigned int num; + struct clk *clk; + struct ac97_controller *ac97_ctrl; +}; + +/** + * struct ac97_codec_driver - a ac97 codec driver + * @driver: the device driver structure + * @probe: the function called when a ac97_codec_device is matched + * @remove: the function called when the device is unbound/removed + * @shutdown: shutdown function (might be NULL) + * @id_table: ac97 vendor_id match table, { } member terminated + */ +struct ac97_codec_driver { + struct device_driver driver; + int (*probe)(struct ac97_codec_device *); + void (*remove)(struct ac97_codec_device *dev); + void (*shutdown)(struct ac97_codec_device *); + const struct ac97_id *id_table; +}; + +static inline struct ac97_codec_device *to_ac97_device(struct device *d) +{ + return container_of(d, struct ac97_codec_device, dev); +} + +#define to_ac97_driver(__drv) container_of_const(__drv, struct ac97_codec_driver, driver) + +#if IS_ENABLED(CONFIG_AC97_BUS_NEW) +int snd_ac97_codec_driver_register(struct ac97_codec_driver *drv); +void snd_ac97_codec_driver_unregister(struct ac97_codec_driver *drv); +#else +static inline int +snd_ac97_codec_driver_register(struct ac97_codec_driver *drv) +{ + return 0; +} +static inline void +snd_ac97_codec_driver_unregister(struct ac97_codec_driver *drv) +{ +} +#endif + + +static inline struct device * +ac97_codec_dev2dev(struct ac97_codec_device *adev) +{ + return &adev->dev; +} + +static inline void *ac97_get_drvdata(struct ac97_codec_device *adev) +{ + return dev_get_drvdata(ac97_codec_dev2dev(adev)); +} + +static inline void ac97_set_drvdata(struct ac97_codec_device *adev, + void *data) +{ + dev_set_drvdata(ac97_codec_dev2dev(adev), data); +} + +static inline void *snd_ac97_codec_get_platdata(const struct ac97_codec_device *adev) +{ + return NULL; +} + +#endif -- cgit v1.3.1