1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * 4 * Copyright (C) 2005 Mike Isely <isely@pobox.com> 5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> 6 */ 7 8 #include "pvrusb2-audio.h" 9 #include "pvrusb2-hdw-internal.h" 10 #include "pvrusb2-debug.h" 11 #include <linux/videodev2.h> 12 #include <media/drv-intf/msp3400.h> 13 #include <media/v4l2-common.h> 14 15 16 struct routing_scheme { 17 const int *def; 18 unsigned int cnt; 19 }; 20 21 static const int routing_scheme0[] = { 22 [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT, 23 [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2, 24 MSP_IN_TUNER1, 25 MSP_DSP_IN_SCART, 26 MSP_DSP_IN_SCART), 27 [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1, 28 MSP_IN_TUNER1, 29 MSP_DSP_IN_SCART, 30 MSP_DSP_IN_SCART), 31 [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1, 32 MSP_IN_TUNER1, 33 MSP_DSP_IN_SCART, 34 MSP_DSP_IN_SCART), 35 }; 36 37 static const struct routing_scheme routing_def0 = { 38 .def = routing_scheme0, 39 .cnt = ARRAY_SIZE(routing_scheme0), 40 }; 41 42 static const struct routing_scheme *routing_schemes[] = { 43 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0, 44 }; 45 46 void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 47 { 48 if (hdw->input_dirty || hdw->force_dirty) { 49 const struct routing_scheme *sp; 50 unsigned int sid = hdw->hdw_desc->signal_routing_scheme; 51 u32 input; 52 53 pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo"); 54 sp = (sid < ARRAY_SIZE(routing_schemes)) ? 55 routing_schemes[sid] : NULL; 56 57 if ((sp != NULL) && 58 (hdw->input_val >= 0) && 59 (hdw->input_val < sp->cnt)) { 60 input = sp->def[hdw->input_val]; 61 } else { 62 pvr2_trace(PVR2_TRACE_ERROR_LEGS, 63 "*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)", 64 sid, hdw->input_val); 65 return; 66 } 67 sd->ops->audio->s_routing(sd, input, 68 MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 69 } 70 } 71