| Mike Isely | 2a6b627 | 2009-03-15 17:53:29 -0300 | [diff] [blame] | 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 | #include <linux/slab.h> |
| 38 | |
| 39 | struct routing_scheme { |
| 40 | const int *def; |
| 41 | unsigned int cnt; |
| 42 | }; |
| 43 | |
| 44 | |
| 45 | static const int routing_scheme1[] = { |
| 46 | [PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */ |
| 47 | [PVR2_CVAL_INPUT_RADIO] = 2, |
| 48 | [PVR2_CVAL_INPUT_COMPOSITE] = 0, |
| 49 | [PVR2_CVAL_INPUT_SVIDEO] = 0, |
| 50 | }; |
| 51 | |
| 52 | static const struct routing_scheme routing_schemes[] = { |
| 53 | [PVR2_ROUTING_SCHEME_ONAIR] = { |
| 54 | .def = routing_scheme1, |
| 55 | .cnt = ARRAY_SIZE(routing_scheme1), |
| 56 | }, |
| 57 | }; |
| 58 | |
| 59 | |
| 60 | void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) |
| 61 | { |
| 62 | if (hdw->input_dirty || hdw->force_dirty) { |
| 63 | struct v4l2_routing route; |
| 64 | const struct routing_scheme *sp; |
| 65 | unsigned int sid = hdw->hdw_desc->signal_routing_scheme; |
| 66 | pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)", |
| 67 | hdw->input_val); |
| 68 | if ((sid < ARRAY_SIZE(routing_schemes)) && |
| 69 | ((sp = routing_schemes + sid) != NULL) && |
| 70 | (hdw->input_val >= 0) && |
| 71 | (hdw->input_val < sp->cnt)) { |
| 72 | route.input = sp->def[hdw->input_val]; |
| 73 | } else { |
| 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 | route.output = 0; |
| 82 | sd->ops->audio->s_routing(sd, &route); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | |
| 87 | /* |
| 88 | Stuff for Emacs to see, in order to encourage consistent editing style: |
| 89 | *** Local Variables: *** |
| 90 | *** mode: c *** |
| 91 | *** fill-column: 70 *** |
| 92 | *** tab-width: 8 *** |
| 93 | *** c-basic-offset: 8 *** |
| 94 | *** End: *** |
| 95 | */ |