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 */ 17 18 /* 19 20 This source file is specifically designed to interface with the 21 v4l-dvb cs53l32a module. 22 23 */ 24 25 #include "pvrusb2-cs53l32a.h" 26 27 28 #include "pvrusb2-hdw-internal.h" 29 #include "pvrusb2-debug.h" 30 #include <linux/videodev2.h> 31 #include <media/v4l2-common.h> 32 #include <linux/errno.h> 33 34 struct routing_scheme { 35 const int *def; 36 unsigned int cnt; 37 }; 38 39 40 static const int routing_scheme1[] = { 41 [PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */ 42 [PVR2_CVAL_INPUT_RADIO] = 2, 43 [PVR2_CVAL_INPUT_COMPOSITE] = 0, 44 [PVR2_CVAL_INPUT_SVIDEO] = 0, 45 }; 46 47 static const struct routing_scheme routing_def1 = { 48 .def = routing_scheme1, 49 .cnt = ARRAY_SIZE(routing_scheme1), 50 }; 51 52 static const struct routing_scheme *routing_schemes[] = { 53 [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1, 54 }; 55 56 57 void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 58 { 59 if (hdw->input_dirty || hdw->force_dirty) { 60 const struct routing_scheme *sp; 61 unsigned int sid = hdw->hdw_desc->signal_routing_scheme; 62 u32 input; 63 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)", 64 hdw->input_val); 65 sp = (sid < ARRAY_SIZE(routing_schemes)) ? 66 routing_schemes[sid] : NULL; 67 if ((sp == NULL) || 68 (hdw->input_val < 0) || 69 (hdw->input_val >= sp->cnt)) { 70 pvr2_trace(PVR2_TRACE_ERROR_LEGS, 71 "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)", 72 sid, hdw->input_val); 73 return; 74 } 75 input = sp->def[hdw->input_val]; 76 sd->ops->audio->s_routing(sd, input, 0, 0); 77 } 78 } 79