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 #include "pvrusb2-audio.h" 23 #include "pvrusb2-hdw-internal.h" 24 #include "pvrusb2-debug.h" 25 #include <linux/videodev2.h> 26 #include <media/drv-intf/msp3400.h> 27 #include <media/v4l2-common.h> 28 29 30 struct routing_scheme { 31 const int *def; 32 unsigned int cnt; 33 }; 34 35 static const int routing_scheme0[] = { 36 [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT, 37 [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2, 38 MSP_IN_TUNER1, 39 MSP_DSP_IN_SCART, 40 MSP_DSP_IN_SCART), 41 [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1, 42 MSP_IN_TUNER1, 43 MSP_DSP_IN_SCART, 44 MSP_DSP_IN_SCART), 45 [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1, 46 MSP_IN_TUNER1, 47 MSP_DSP_IN_SCART, 48 MSP_DSP_IN_SCART), 49 }; 50 51 static const struct routing_scheme routing_def0 = { 52 .def = routing_scheme0, 53 .cnt = ARRAY_SIZE(routing_scheme0), 54 }; 55 56 static const struct routing_scheme *routing_schemes[] = { 57 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0, 58 }; 59 60 void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 61 { 62 if (hdw->input_dirty || hdw->force_dirty) { 63 const struct routing_scheme *sp; 64 unsigned int sid = hdw->hdw_desc->signal_routing_scheme; 65 u32 input; 66 67 pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo"); 68 sp = (sid < ARRAY_SIZE(routing_schemes)) ? 69 routing_schemes[sid] : NULL; 70 71 if ((sp != NULL) && 72 (hdw->input_val >= 0) && 73 (hdw->input_val < sp->cnt)) { 74 input = sp->def[hdw->input_val]; 75 } else { 76 pvr2_trace(PVR2_TRACE_ERROR_LEGS, 77 "*** WARNING *** subdev msp3400 set_input:" 78 " Invalid routing scheme (%u)" 79 " and/or input (%d)", 80 sid, hdw->input_val); 81 return; 82 } 83 sd->ops->audio->s_routing(sd, input, 84 MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 85 } 86 } 87