// SPDX-License-Identifier: GPL-2.0-only
/*
 *
 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
 */

#include "pvrusb2-audio.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include <linux/videodev2.h>
#include <media/drv-intf/msp3400.h>
#include <media/v4l2-common.h>


struct routing_scheme {
        const int *def;
        unsigned int cnt;
};

static const int routing_scheme0[] = {
        [PVR2_CVAL_INPUT_TV]        = MSP_INPUT_DEFAULT,
        [PVR2_CVAL_INPUT_RADIO]     = MSP_INPUT(MSP_IN_SCART2,
                                                MSP_IN_TUNER1,
                                                MSP_DSP_IN_SCART,
                                                MSP_DSP_IN_SCART),
        [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
                                                MSP_IN_TUNER1,
                                                MSP_DSP_IN_SCART,
                                                MSP_DSP_IN_SCART),
        [PVR2_CVAL_INPUT_SVIDEO]    = MSP_INPUT(MSP_IN_SCART1,
                                                MSP_IN_TUNER1,
                                                MSP_DSP_IN_SCART,
                                                MSP_DSP_IN_SCART),
};

static const struct routing_scheme routing_def0 = {
        .def = routing_scheme0,
        .cnt = ARRAY_SIZE(routing_scheme0),
};

static const struct routing_scheme *routing_schemes[] = {
        [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
};

void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
        if (hdw->input_dirty || hdw->force_dirty) {
                const struct routing_scheme *sp;
                unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
                u32 input;

                pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
                sp = (sid < ARRAY_SIZE(routing_schemes)) ?
                        routing_schemes[sid] : NULL;

                if ((sp != NULL) &&
                    (hdw->input_val >= 0) &&
                    (hdw->input_val < sp->cnt)) {
                        input = sp->def[hdw->input_val];
                } else {
                        pvr2_trace(PVR2_TRACE_ERROR_LEGS,
                                   "*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)",
                                   sid, hdw->input_val);
                        return;
                }
                sd->ops->audio->s_routing(sd, input,
                        MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
        }
}