mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 07:01:57 +00:00
e4001e955b
We also need to standardize the PAD index macros for demods, as they all should look the same in a media graph. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
/*
|
|
* v4l2-mc.h - Media Controller V4L2 types and prototypes
|
|
*
|
|
* Copyright (C) 2016 Mauro Carvalho Chehab <mchehab@osg.samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*/
|
|
|
|
/**
|
|
* enum tuner_pad_index - tuner pad index for MEDIA_ENT_F_TUNER
|
|
*
|
|
* @TUNER_PAD_RF_INPUT: Radiofrequency (RF) sink pad, usually linked to a
|
|
* RF connector entity.
|
|
* @TUNER_PAD_OUTPUT: Tuner video output source pad. Contains the video
|
|
* chrominance and luminance or the hole bandwidth
|
|
* of the signal converted to an Intermediate Frequency
|
|
* (IF) or to baseband (on zero-IF tuners).
|
|
* @TUNER_PAD_AUD_OUT: Tuner audio output source pad. Tuners used to decode
|
|
* analog TV signals have an extra pad for audio output.
|
|
* Old tuners use an analog stage with a saw filter for
|
|
* the audio IF frequency. The output of the pad is, in
|
|
* this case, the audio IF, with should be decoded either
|
|
* by the bridge chipset (that's the case of cx2388x
|
|
* chipsets) or may require an external IF sound
|
|
* processor, like msp34xx. On modern silicon tuners,
|
|
* the audio IF decoder is usually incorporated at the
|
|
* tuner. On such case, the output of this pad is an
|
|
* audio sampled data.
|
|
* @TUNER_NUM_PADS: Number of pads of the tuner.
|
|
*/
|
|
enum tuner_pad_index {
|
|
TUNER_PAD_RF_INPUT,
|
|
TUNER_PAD_OUTPUT,
|
|
TUNER_PAD_AUD_OUT,
|
|
TUNER_NUM_PADS
|
|
};
|
|
|
|
/**
|
|
* enum if_vid_dec_index - video IF-PLL pad index for
|
|
* MEDIA_ENT_F_IF_VID_DECODER
|
|
*
|
|
* @IF_VID_DEC_PAD_IF_INPUT: video Intermediate Frequency (IF) sink pad
|
|
* @IF_VID_DEC_PAD_OUT: IF-PLL video output source pad. Contains the
|
|
* video chrominance and luminance IF signals.
|
|
* @IF_VID_DEC_PAD_NUM_PADS: Number of pads of the video IF-PLL.
|
|
*/
|
|
enum if_vid_dec_pad_index {
|
|
IF_VID_DEC_PAD_IF_INPUT,
|
|
IF_VID_DEC_PAD_OUT,
|
|
IF_VID_DEC_PAD_NUM_PADS
|
|
};
|
|
|
|
/**
|
|
* enum if_aud_dec_index - audio/sound IF-PLL pad index for
|
|
* MEDIA_ENT_F_IF_AUD_DECODER
|
|
*
|
|
* @IF_AUD_DEC_PAD_IF_INPUT: audio Intermediate Frequency (IF) sink pad
|
|
* @IF_AUD_DEC_PAD_OUT: IF-PLL audio output source pad. Contains the
|
|
* audio sampled stream data, usually connected
|
|
* to the bridge bus via an Inter-IC Sound (I2S)
|
|
* bus.
|
|
* @IF_AUD_DEC_PAD_NUM_PADS: Number of pads of the audio IF-PLL.
|
|
*/
|
|
enum if_aud_dec_pad_index {
|
|
IF_AUD_DEC_PAD_IF_INPUT,
|
|
IF_AUD_DEC_PAD_OUT,
|
|
IF_AUD_DEC_PAD_NUM_PADS
|
|
};
|
|
|
|
/**
|
|
* enum demod_pad_index - analog TV pad index for MEDIA_ENT_F_ATV_DECODER
|
|
*
|
|
* @DEMOD_PAD_IF_INPUT: IF input sink pad.
|
|
* @DEMOD_PAD_VID_OUT: Video output source pad.
|
|
* @DEMOD_PAD_VBI_OUT: Vertical Blank Interface (VBI) output source pad.
|
|
* @DEMOD_NUM_PADS: Maximum number of output pads.
|
|
*/
|
|
enum demod_pad_index {
|
|
DEMOD_PAD_IF_INPUT,
|
|
DEMOD_PAD_VID_OUT,
|
|
DEMOD_PAD_VBI_OUT,
|
|
DEMOD_NUM_PADS
|
|
};
|