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162 lines
4.1 KiB
162 lines
4.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* |
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* Copyright (C) 2005 Mike Isely <[email protected]> |
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* Copyright (C) 2004 Aurelien Alleaume <[email protected]> |
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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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cx2584x, in kernels 2.6.16 or newer. |
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*/ |
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#include "pvrusb2-cx2584x-v4l.h" |
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#include "pvrusb2-hdw-internal.h" |
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#include "pvrusb2-debug.h" |
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#include <media/drv-intf/cx25840.h> |
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#include <linux/videodev2.h> |
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#include <media/v4l2-common.h> |
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#include <linux/errno.h> |
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struct routing_scheme_item { |
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int vid; |
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int aud; |
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}; |
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struct routing_scheme { |
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const struct routing_scheme_item *def; |
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unsigned int cnt; |
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}; |
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static const struct routing_scheme_item routing_scheme0[] = { |
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[PVR2_CVAL_INPUT_TV] = { |
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.vid = CX25840_COMPOSITE7, |
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.aud = CX25840_AUDIO8, |
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}, |
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[PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */ |
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.vid = CX25840_COMPOSITE3, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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[PVR2_CVAL_INPUT_COMPOSITE] = { |
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.vid = CX25840_COMPOSITE3, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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[PVR2_CVAL_INPUT_SVIDEO] = { |
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.vid = CX25840_SVIDEO1, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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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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/* Specific to gotview device */ |
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static const struct routing_scheme_item routing_schemegv[] = { |
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[PVR2_CVAL_INPUT_TV] = { |
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.vid = CX25840_COMPOSITE2, |
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.aud = CX25840_AUDIO5, |
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}, |
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[PVR2_CVAL_INPUT_RADIO] = { |
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/* line-in is used for radio and composite. A GPIO is |
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used to switch between the two choices. */ |
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.vid = CX25840_COMPOSITE1, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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[PVR2_CVAL_INPUT_COMPOSITE] = { |
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.vid = CX25840_COMPOSITE1, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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[PVR2_CVAL_INPUT_SVIDEO] = { |
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.vid = (CX25840_SVIDEO_LUMA3|CX25840_SVIDEO_CHROMA4), |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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}; |
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static const struct routing_scheme routing_defgv = { |
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.def = routing_schemegv, |
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.cnt = ARRAY_SIZE(routing_schemegv), |
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}; |
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/* Specific to grabster av400 device */ |
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static const struct routing_scheme_item routing_schemeav400[] = { |
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[PVR2_CVAL_INPUT_COMPOSITE] = { |
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.vid = CX25840_COMPOSITE1, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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[PVR2_CVAL_INPUT_SVIDEO] = { |
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.vid = (CX25840_SVIDEO_LUMA2|CX25840_SVIDEO_CHROMA4), |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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}; |
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static const struct routing_scheme routing_defav400 = { |
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.def = routing_schemeav400, |
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.cnt = ARRAY_SIZE(routing_schemeav400), |
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}; |
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static const struct routing_scheme_item routing_scheme160xxx[] = { |
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[PVR2_CVAL_INPUT_TV] = { |
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.vid = CX25840_COMPOSITE7, |
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.aud = CX25840_AUDIO8, |
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}, |
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[PVR2_CVAL_INPUT_RADIO] = { |
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.vid = CX25840_COMPOSITE4, |
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.aud = CX25840_AUDIO6, |
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}, |
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[PVR2_CVAL_INPUT_COMPOSITE] = { |
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.vid = CX25840_COMPOSITE3, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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[PVR2_CVAL_INPUT_SVIDEO] = { |
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.vid = CX25840_SVIDEO1, |
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.aud = CX25840_AUDIO_SERIAL, |
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}, |
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}; |
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static const struct routing_scheme routing_def160xxx = { |
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.def = routing_scheme160xxx, |
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.cnt = ARRAY_SIZE(routing_scheme160xxx), |
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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_GOTVIEW] = &routing_defgv, |
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[PVR2_ROUTING_SCHEME_AV400] = &routing_defav400, |
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[PVR2_ROUTING_SCHEME_HAUP160XXX] = &routing_def160xxx, |
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}; |
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void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) |
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{ |
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pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update..."); |
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if (hdw->input_dirty || hdw->force_dirty) { |
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enum cx25840_video_input vid_input; |
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enum cx25840_audio_input aud_input; |
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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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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 cx2584x 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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vid_input = sp->def[hdw->input_val].vid; |
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aud_input = sp->def[hdw->input_val].aud; |
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pvr2_trace(PVR2_TRACE_CHIPS, |
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"subdev cx2584x set_input vid=0x%x aud=0x%x", |
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vid_input, aud_input); |
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sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0); |
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sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0); |
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} |
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}
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