forked from Minki/linux
2504ba9f59
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>
88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
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*/
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/*
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This source file is specifically designed to interface with the
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saa711x support that is available in the v4l available starting
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with linux 2.6.15.
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*/
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#include "pvrusb2-video-v4l.h"
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#include "pvrusb2-hdw-internal.h"
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#include "pvrusb2-debug.h"
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/i2c/saa7115.h>
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#include <linux/errno.h>
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struct routing_scheme {
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const int *def;
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unsigned int cnt;
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};
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static const int routing_scheme0[] = {
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[PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
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/* In radio mode, we mute the video, but point at one
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spot just to stay consistent */
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[PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
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[PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5,
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[PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2,
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};
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static const struct routing_scheme routing_def0 = {
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.def = routing_scheme0,
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.cnt = ARRAY_SIZE(routing_scheme0),
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};
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static const int routing_scheme1[] = {
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[PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
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[PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
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[PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE3,
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[PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, /* or SVIDEO0, it seems */
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};
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static const struct routing_scheme routing_def1 = {
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.def = routing_scheme1,
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.cnt = ARRAY_SIZE(routing_scheme1),
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};
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static const struct routing_scheme *routing_schemes[] = {
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[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
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[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
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};
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void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
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{
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if (hdw->input_dirty || hdw->force_dirty) {
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const struct routing_scheme *sp;
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unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
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u32 input;
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pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
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hdw->input_val);
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sp = (sid < ARRAY_SIZE(routing_schemes)) ?
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routing_schemes[sid] : NULL;
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if ((sp == NULL) ||
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(hdw->input_val < 0) ||
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(hdw->input_val >= sp->cnt)) {
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pvr2_trace(PVR2_TRACE_ERROR_LEGS,
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"*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",
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sid, hdw->input_val);
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return;
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}
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input = sp->def[hdw->input_val];
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sd->ops->video->s_routing(sd, input, 0, 0);
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}
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}
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