Files
linux/drivers/media/usb/pvrusb2/pvrusb2-cx2584x-v4l.c
Thomas Gleixner 2504ba9f59 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235
Based on 1 normalized pattern(s):

  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 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 53 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190602204653.904365654@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:07 +02:00

138 lines
3.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
*/
/*
This source file is specifically designed to interface with the
cx2584x, in kernels 2.6.16 or newer.
*/
#include "pvrusb2-cx2584x-v4l.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include <media/drv-intf/cx25840.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <linux/errno.h>
struct routing_scheme_item {
int vid;
int aud;
};
struct routing_scheme {
const struct routing_scheme_item *def;
unsigned int cnt;
};
static const struct routing_scheme_item routing_scheme0[] = {
[PVR2_CVAL_INPUT_TV] = {
.vid = CX25840_COMPOSITE7,
.aud = CX25840_AUDIO8,
},
[PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
.vid = CX25840_COMPOSITE3,
.aud = CX25840_AUDIO_SERIAL,
},
[PVR2_CVAL_INPUT_COMPOSITE] = {
.vid = CX25840_COMPOSITE3,
.aud = CX25840_AUDIO_SERIAL,
},
[PVR2_CVAL_INPUT_SVIDEO] = {
.vid = CX25840_SVIDEO1,
.aud = CX25840_AUDIO_SERIAL,
},
};
static const struct routing_scheme routing_def0 = {
.def = routing_scheme0,
.cnt = ARRAY_SIZE(routing_scheme0),
};
/* Specific to gotview device */
static const struct routing_scheme_item routing_schemegv[] = {
[PVR2_CVAL_INPUT_TV] = {
.vid = CX25840_COMPOSITE2,
.aud = CX25840_AUDIO5,
},
[PVR2_CVAL_INPUT_RADIO] = {
/* line-in is used for radio and composite. A GPIO is
used to switch between the two choices. */
.vid = CX25840_COMPOSITE1,
.aud = CX25840_AUDIO_SERIAL,
},
[PVR2_CVAL_INPUT_COMPOSITE] = {
.vid = CX25840_COMPOSITE1,
.aud = CX25840_AUDIO_SERIAL,
},
[PVR2_CVAL_INPUT_SVIDEO] = {
.vid = (CX25840_SVIDEO_LUMA3|CX25840_SVIDEO_CHROMA4),
.aud = CX25840_AUDIO_SERIAL,
},
};
static const struct routing_scheme routing_defgv = {
.def = routing_schemegv,
.cnt = ARRAY_SIZE(routing_schemegv),
};
/* Specific to grabster av400 device */
static const struct routing_scheme_item routing_schemeav400[] = {
[PVR2_CVAL_INPUT_COMPOSITE] = {
.vid = CX25840_COMPOSITE1,
.aud = CX25840_AUDIO_SERIAL,
},
[PVR2_CVAL_INPUT_SVIDEO] = {
.vid = (CX25840_SVIDEO_LUMA2|CX25840_SVIDEO_CHROMA4),
.aud = CX25840_AUDIO_SERIAL,
},
};
static const struct routing_scheme routing_defav400 = {
.def = routing_schemeav400,
.cnt = ARRAY_SIZE(routing_schemeav400),
};
static const struct routing_scheme *routing_schemes[] = {
[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
[PVR2_ROUTING_SCHEME_GOTVIEW] = &routing_defgv,
[PVR2_ROUTING_SCHEME_AV400] = &routing_defav400,
};
void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update...");
if (hdw->input_dirty || hdw->force_dirty) {
enum cx25840_video_input vid_input;
enum cx25840_audio_input aud_input;
const struct routing_scheme *sp;
unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
sp = (sid < ARRAY_SIZE(routing_schemes)) ?
routing_schemes[sid] : NULL;
if ((sp == NULL) ||
(hdw->input_val < 0) ||
(hdw->input_val >= sp->cnt)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"*** WARNING *** subdev cx2584x set_input: Invalid routing scheme (%u) and/or input (%d)",
sid, hdw->input_val);
return;
}
vid_input = sp->def[hdw->input_val].vid;
aud_input = sp->def[hdw->input_val].aud;
pvr2_trace(PVR2_TRACE_CHIPS,
"subdev cx2584x set_input vid=0x%x aud=0x%x",
vid_input, aud_input);
sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0);
sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0);
}
}