cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vivid-rds-gen.h (1220B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * vivid-rds-gen.h - rds (radio data system) generator support functions.
      4 *
      5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
      6 */
      7
      8#ifndef _VIVID_RDS_GEN_H_
      9#define _VIVID_RDS_GEN_H_
     10
     11/*
     12 * It takes almost exactly 5 seconds to transmit 57 RDS groups.
     13 * Each group has 4 blocks and each block has a payload of 16 bits + a
     14 * block identification. The driver will generate the contents of these
     15 * 57 groups only when necessary and it will just be played continuously.
     16 */
     17#define VIVID_RDS_GEN_GROUPS 57
     18#define VIVID_RDS_GEN_BLKS_PER_GRP 4
     19#define VIVID_RDS_GEN_BLOCKS (VIVID_RDS_GEN_BLKS_PER_GRP * VIVID_RDS_GEN_GROUPS)
     20#define VIVID_RDS_NSEC_PER_BLK (u32)(5ull * NSEC_PER_SEC / VIVID_RDS_GEN_BLOCKS)
     21
     22struct vivid_rds_gen {
     23	struct v4l2_rds_data	data[VIVID_RDS_GEN_BLOCKS];
     24	bool			use_rbds;
     25	u16			picode;
     26	u8			pty;
     27	bool			mono_stereo;
     28	bool			art_head;
     29	bool			compressed;
     30	bool			dyn_pty;
     31	bool			ta;
     32	bool			tp;
     33	bool			ms;
     34	char			psname[8 + 1];
     35	char			radiotext[64 + 1];
     36};
     37
     38void vivid_rds_gen_fill(struct vivid_rds_gen *rds, unsigned freq,
     39		    bool use_alternate);
     40void vivid_rds_generate(struct vivid_rds_gen *rds);
     41
     42#endif