1 /* 2 * 3 * 4 * Copyright (C) 2005 Mike Isely <isely@pobox.com> 5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 /* 23 24 This source file is specifically designed to interface with the 25 v4l-dvb cs53l32a module. 26 27 */ 28 29 #include "pvrusb2-cs53l32a.h" 30 31 32 #include "pvrusb2-hdw-internal.h" 33 #include "pvrusb2-debug.h" 34 #include <linux/videodev2.h> 35 #include <media/v4l2-common.h> 36 #include <linux/errno.h> 37 38 struct routing_scheme { 39 const int *def; 40 unsigned int cnt; 41 }; 42 43 44 static const int routing_scheme1[] = { 45 [PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */ 46 [PVR2_CVAL_INPUT_RADIO] = 2, 47 [PVR2_CVAL_INPUT_COMPOSITE] = 0, 48 [PVR2_CVAL_INPUT_SVIDEO] = 0, 49 }; 50 51 static const struct routing_scheme routing_def1 = { 52 .def = routing_scheme1, 53 .cnt = ARRAY_SIZE(routing_scheme1), 54 }; 55 56 static const struct routing_scheme *routing_schemes[] = { 57 [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1, 58 }; 59 60 61 void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 62 { 63 if (hdw->input_dirty || hdw->force_dirty) { 64 const struct routing_scheme *sp; 65 unsigned int sid = hdw->hdw_desc->signal_routing_scheme; 66 u32 input; 67 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)", 68 hdw->input_val); 69 sp = (sid < ARRAY_SIZE(routing_schemes)) ? 70 routing_schemes[sid] : NULL; 71 if ((sp == NULL) || 72 (hdw->input_val < 0) || 73 (hdw->input_val >= sp->cnt)) { 74 pvr2_trace(PVR2_TRACE_ERROR_LEGS, 75 "*** WARNING *** subdev v4l2 set_input:" 76 " Invalid routing scheme (%u)" 77 " and/or input (%d)", 78 sid, hdw->input_val); 79 return; 80 } 81 input = sp->def[hdw->input_val]; 82 sd->ops->audio->s_routing(sd, input, 0, 0); 83 } 84 } 85