From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/media/platform/vivid/vivid-rds-gen.h | 53 ++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 drivers/media/platform/vivid/vivid-rds-gen.h (limited to 'drivers/media/platform/vivid/vivid-rds-gen.h') diff --git a/drivers/media/platform/vivid/vivid-rds-gen.h b/drivers/media/platform/vivid/vivid-rds-gen.h new file mode 100644 index 000000000..eff4bf552 --- /dev/null +++ b/drivers/media/platform/vivid/vivid-rds-gen.h @@ -0,0 +1,53 @@ +/* + * vivid-rds-gen.h - rds (radio data system) generator support functions. + * + * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#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) + +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 -- cgit v1.2.3-54-g00ecf