67a5135a64
Replace the old license information with the corresponding SPDX license. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* vivid-rds-gen.h - rds (radio data system) generator support functions.
|
|
*
|
|
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _VIVID_RDS_GEN_H_
|
|
#define _VIVID_RDS_GEN_H_
|
|
|
|
/*
|
|
* It takes almost exactly 5 seconds to transmit 57 RDS groups.
|
|
* Each group has 4 blocks and each block has a payload of 16 bits + a
|
|
* block identification. The driver will generate the contents of these
|
|
* 57 groups only when necessary and it will just be played continuously.
|
|
*/
|
|
#define VIVID_RDS_GEN_GROUPS 57
|
|
#define VIVID_RDS_GEN_BLKS_PER_GRP 4
|
|
#define VIVID_RDS_GEN_BLOCKS (VIVID_RDS_GEN_BLKS_PER_GRP * VIVID_RDS_GEN_GROUPS)
|
|
#define VIVID_RDS_NSEC_PER_BLK (u32)(5ull * NSEC_PER_SEC / VIVID_RDS_GEN_BLOCKS)
|
|
|
|
struct vivid_rds_gen {
|
|
struct v4l2_rds_data data[VIVID_RDS_GEN_BLOCKS];
|
|
bool use_rbds;
|
|
u16 picode;
|
|
u8 pty;
|
|
bool mono_stereo;
|
|
bool art_head;
|
|
bool compressed;
|
|
bool dyn_pty;
|
|
bool ta;
|
|
bool tp;
|
|
bool ms;
|
|
char psname[8 + 1];
|
|
char radiotext[64 + 1];
|
|
};
|
|
|
|
void vivid_rds_gen_fill(struct vivid_rds_gen *rds, unsigned freq,
|
|
bool use_alternate);
|
|
void vivid_rds_generate(struct vivid_rds_gen *rds);
|
|
|
|
#endif
|