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/usr/src/linux-headers-5.15.0-181/include/media/

/usr/src/linux-headers-5.15.0-181/include/media

Name	Size	Mode	Actions
davinci/	-	0755	rm
drv-intf/	-	0755	rm
i2c/	-	0755	rm
tpg/	-	0755	rm
cec-notifier.h	5146	0644	edit dl rm
cec-pin.h	2853	0644	edit dl rm
cec.h	16230	0644	edit dl rm
demux.h	23237	0644	edit dl rm
dmxdev.h	6034	0644	edit dl rm
dvb-usb-ids.h	18614	0644	edit dl rm
dvbdev.h	14859	0644	edit dl rm
dvb_ca_en50221.h	4455	0644	edit dl rm
dvb_demux.h	11033	0644	edit dl rm
dvb_frontend.h	30751	0644	edit dl rm
dvb_math.h	1811	0644	edit dl rm
dvb_net.h	2583	0644	edit dl rm
dvb_ringbuffer.h	8524	0644	edit dl rm
dvb_vb2.h	7838	0644	edit dl rm
frame_vector.h	1447	0644	edit dl rm
hevc-ctrls.h	9098	0644	edit dl rm
imx.h	190	0644	edit dl rm
ipu-isys.h	884	0644	edit dl rm
media-dev-allocator.h	2261	0644	edit dl rm
media-device.h	17401	0644	edit dl rm
media-devnode.h	5415	0644	edit dl rm
media-entity.h	36306	0644	edit dl rm
media-request.h	12245	0644	edit dl rm
rc-core.h	12610	0644	edit dl rm
rc-map.h	14704	0644	edit dl rm
rcar-fcp.h	1127	0644	edit dl rm
tuner-types.h	7723	0644	edit dl rm
tuner.h	8603	0644	edit dl rm
tveeprom.h	3370	0644	edit dl rm
v4l2-async.h	11448	0644	edit dl rm
v4l2-common.h	19123	0644	edit dl rm
v4l2-ctrls.h	50854	0644	edit dl rm
v4l2-dev.h	16921	0644	edit dl rm
v4l2-device.h	18964	0644	edit dl rm
v4l2-dv-timings.h	9543	0644	edit dl rm
v4l2-event.h	6130	0644	edit dl rm
v4l2-fh.h	4317	0644	edit dl rm
v4l2-flash-led-class.h	5888	0644	edit dl rm
v4l2-fwnode.h	20279	0644	edit dl rm
v4l2-h264.h	2921	0644	edit dl rm
v4l2-image-sizes.h	827	0644	edit dl rm
v4l2-ioctl.h	34112	0644	edit dl rm
v4l2-jpeg.h	5207	0644	edit dl rm
v4l2-mc.h	7669	0644	edit dl rm
v4l2-mediabus.h	7686	0644	edit dl rm
v4l2-mem2mem.h	29441	0644	edit dl rm
v4l2-rect.h	5852	0644	edit dl rm
v4l2-subdev.h	46004	0644	edit dl rm
videobuf-core.h	6974	0644	edit dl rm
videobuf-dma-contig.h	909	0644	edit dl rm
videobuf-dma-sg.h	2856	0644	edit dl rm
videobuf-vmalloc.h	1166	0644	edit dl rm
videobuf2-core.h	49407	0644	edit dl rm
videobuf2-dma-contig.h	883	0644	edit dl rm
videobuf2-dma-sg.h	698	0644	edit dl rm
videobuf2-dvb.h	1863	0644	edit dl rm
videobuf2-memops.h	1101	0644	edit dl rm
videobuf2-v4l2.h	14347	0644	edit dl rm
videobuf2-vmalloc.h	509	0644	edit dl rm
vsp1.h	3652	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/media/dvb_math.h (1811B)

/*
 * dvb-math provides some complex fixed-point math
 * operations shared between the dvb related stuff
 *
 * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 */

#ifndef __DVB_MATH_H
#define __DVB_MATH_H

#include <linux/types.h>

/**
 * intlog2 - computes log2 of a value; the result is shifted left by 24 bits
 *
 * @value: The value (must be != 0)
 *
 * to use rational values you can use the following method:
 *
 *   intlog2(value) = intlog2(value * 2^x) - x * 2^24
 *
 * Some usecase examples:
 *
 *	intlog2(8) will give 3 << 24 = 3 * 2^24
 *
 *	intlog2(9) will give 3 << 24 + ... = 3.16... * 2^24
 *
 *	intlog2(1.5) = intlog2(3) - 2^24 = 0.584... * 2^24
 *
 *
 * return: log2(value) * 2^24
 */
extern unsigned int intlog2(u32 value);

/**
 * intlog10 - computes log10 of a value; the result is shifted left by 24 bits
 *
 * @value: The value (must be != 0)
 *
 * to use rational values you can use the following method:
 *
 *   intlog10(value) = intlog10(value * 10^x) - x * 2^24
 *
 * An usecase example:
 *
 *	intlog10(1000) will give 3 << 24 = 3 * 2^24
 *
 *   due to the implementation intlog10(1000) might be not exactly 3 * 2^24
 *
 * look at intlog2 for similar examples
 *
 * return: log10(value) * 2^24
 */
extern unsigned int intlog10(u32 value);

#endif

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