/* * * * Copyright (C) 2005 Mike Isely <isely@pobox.com> * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> * * 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. * */ /* 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-video-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); } }