| /* |
| * |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| /* |
| |
| This source file is specifically designed to interface with the |
| saa711x support that is available in the v4l available starting |
| with linux 2.6.15. |
| |
| */ |
| |
| #include "pvrusb2-video-v4l.h" |
| |
| |
| |
| #include "pvrusb2-hdw-internal.h" |
| #include "pvrusb2-debug.h" |
| #include <linux/videodev2.h> |
| #include <media/v4l2-common.h> |
| #include <media/saa7115.h> |
| #include <linux/errno.h> |
| #include <linux/slab.h> |
| |
| struct routing_scheme { |
| const int *def; |
| unsigned int cnt; |
| }; |
| |
| |
| static const int routing_scheme0[] = { |
| [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4, |
| /* In radio mode, we mute the video, but point at one |
| spot just to stay consistent */ |
| [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5, |
| [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5, |
| [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, |
| }; |
| |
| static const struct routing_scheme routing_schemes[] = { |
| [PVR2_ROUTING_SCHEME_HAUPPAUGE] = { |
| .def = routing_scheme0, |
| .cnt = ARRAY_SIZE(routing_scheme0), |
| }, |
| }; |
| |
| void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) |
| { |
| if (hdw->input_dirty || hdw->force_dirty) { |
| struct v4l2_routing route; |
| const struct routing_scheme *sp; |
| unsigned int sid = hdw->hdw_desc->signal_routing_scheme; |
| pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)", |
| hdw->input_val); |
| if ((sid < ARRAY_SIZE(routing_schemes)) && |
| ((sp = routing_schemes + sid) != NULL) && |
| (hdw->input_val >= 0) && |
| (hdw->input_val < sp->cnt)) { |
| route.input = sp->def[hdw->input_val]; |
| } else { |
| pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
| "*** WARNING *** subdev v4l2 set_input:" |
| " Invalid routing scheme (%u)" |
| " and/or input (%d)", |
| sid, hdw->input_val); |
| return; |
| } |
| route.output = 0; |
| sd->ops->video->s_routing(sd, &route); |
| } |
| } |
| |
| |
| /* |
| Stuff for Emacs to see, in order to encourage consistent editing style: |
| *** Local Variables: *** |
| *** mode: c *** |
| *** fill-column: 70 *** |
| *** tab-width: 8 *** |
| *** c-basic-offset: 8 *** |
| *** End: *** |
| */ |