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 #include "pvrusb2-audio.h" 19 #include "pvrusb2-hdw-internal.h" 20 #include "pvrusb2-debug.h" 21 #include <linux/videodev2.h> 22 #include <media/drv-intf/msp3400.h> 23 #include <media/v4l2-common.h> 24 25 26 struct routing_scheme { 27 const int *def; 28 unsigned int cnt; 29 }; 30 31 static const int routing_scheme0[] = { 32 [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT, 33 [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2, 34 MSP_IN_TUNER1, 35 MSP_DSP_IN_SCART, 36 MSP_DSP_IN_SCART), 37 [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1, 38 MSP_IN_TUNER1, 39 MSP_DSP_IN_SCART, 40 MSP_DSP_IN_SCART), 41 [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1, 42 MSP_IN_TUNER1, 43 MSP_DSP_IN_SCART, 44 MSP_DSP_IN_SCART), 45 }; 46 47 static const struct routing_scheme routing_def0 = { 48 .def = routing_scheme0, 49 .cnt = ARRAY_SIZE(routing_scheme0), 50 }; 51 52 static const struct routing_scheme *routing_schemes[] = { 53 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0, 54 }; 55 56 void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 57 { 58 if (hdw->input_dirty || hdw->force_dirty) { 59 const struct routing_scheme *sp; 60 unsigned int sid = hdw->hdw_desc->signal_routing_scheme; 61 u32 input; 62 63 pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo"); 64 sp = (sid < ARRAY_SIZE(routing_schemes)) ? 65 routing_schemes[sid] : NULL; 66 67 if ((sp != NULL) && 68 (hdw->input_val >= 0) && 69 (hdw->input_val < sp->cnt)) { 70 input = sp->def[hdw->input_val]; 71 } else { 72 pvr2_trace(PVR2_TRACE_ERROR_LEGS, 73 "*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)", 74 sid, hdw->input_val); 75 return; 76 } 77 sd->ops->audio->s_routing(sd, input, 78 MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 79 } 80 } 81