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1// SPDX-License-Identifier: GPL-2.0-only2/*3 *4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>6 */7 8/*9 10 This source file is specifically designed to interface with the11 v4l-dvb cs53l32a module.12 13*/14 15#include "pvrusb2-cs53l32a.h"16 17 18#include "pvrusb2-hdw-internal.h"19#include "pvrusb2-debug.h"20#include <linux/videodev2.h>21#include <media/v4l2-common.h>22#include <linux/errno.h>23 24struct routing_scheme {25 const int *def;26 unsigned int cnt;27};28 29 30static const int routing_scheme1[] = {31 [PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */32 [PVR2_CVAL_INPUT_RADIO] = 2,33 [PVR2_CVAL_INPUT_COMPOSITE] = 0,34 [PVR2_CVAL_INPUT_SVIDEO] = 0,35};36 37static const struct routing_scheme routing_def1 = {38 .def = routing_scheme1,39 .cnt = ARRAY_SIZE(routing_scheme1),40};41 42static const struct routing_scheme *routing_schemes[] = {43 [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,44};45 46 47void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)48{49 if (hdw->input_dirty || hdw->force_dirty) {50 const struct routing_scheme *sp;51 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;52 u32 input;53 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",54 hdw->input_val);55 sp = (sid < ARRAY_SIZE(routing_schemes)) ?56 routing_schemes[sid] : NULL;57 if ((sp == NULL) ||58 (hdw->input_val < 0) ||59 (hdw->input_val >= sp->cnt)) {60 pvr2_trace(PVR2_TRACE_ERROR_LEGS,61 "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",62 sid, hdw->input_val);63 return;64 }65 input = sp->def[hdw->input_val];66 sd->ops->audio->s_routing(sd, input, 0, 0);67 }68}69