| /* |
| * |
| * |
| * Copyright (C) 2005 Mike Isely <isely@pobox.com> |
| * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| /* |
| |
| This source file is specifically designed to interface with the |
| cx2584x, in kernels 2.6.16 or newer. |
| |
| */ |
| |
| #include "pvrusb2-cx2584x-v4l.h" |
| #include "pvrusb2-video-v4l.h" |
| |
| |
| #include "pvrusb2-hdw-internal.h" |
| #include "pvrusb2-debug.h" |
| #include <media/cx25840.h> |
| #include <linux/videodev2.h> |
| #include <media/v4l2-common.h> |
| #include <linux/errno.h> |
| #include <linux/slab.h> |
| |
| |
| struct routing_scheme_item { |
| int vid; |
| int aud; |
| }; |
| |
| struct routing_scheme { |
| const struct routing_scheme_item *def; |
| unsigned int cnt; |
| }; |
| |
| static const struct routing_scheme_item routing_scheme0[] = { |
| [PVR2_CVAL_INPUT_TV] = { |
| .vid = CX25840_COMPOSITE7, |
| .aud = CX25840_AUDIO8, |
| }, |
| [PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */ |
| .vid = CX25840_COMPOSITE3, |
| .aud = CX25840_AUDIO_SERIAL, |
| }, |
| [PVR2_CVAL_INPUT_COMPOSITE] = { |
| .vid = CX25840_COMPOSITE3, |
| .aud = CX25840_AUDIO_SERIAL, |
| }, |
| [PVR2_CVAL_INPUT_SVIDEO] = { |
| .vid = CX25840_SVIDEO1, |
| .aud = CX25840_AUDIO_SERIAL, |
| }, |
| }; |
| |
| /* Specific to gotview device */ |
| static const struct routing_scheme_item routing_schemegv[] = { |
| [PVR2_CVAL_INPUT_TV] = { |
| .vid = CX25840_COMPOSITE2, |
| .aud = CX25840_AUDIO5, |
| }, |
| [PVR2_CVAL_INPUT_RADIO] = { |
| /* line-in is used for radio and composite. A GPIO is |
| used to switch between the two choices. */ |
| .vid = CX25840_COMPOSITE1, |
| .aud = CX25840_AUDIO_SERIAL, |
| }, |
| [PVR2_CVAL_INPUT_COMPOSITE] = { |
| .vid = CX25840_COMPOSITE1, |
| .aud = CX25840_AUDIO_SERIAL, |
| }, |
| [PVR2_CVAL_INPUT_SVIDEO] = { |
| .vid = (CX25840_SVIDEO_LUMA3|CX25840_SVIDEO_CHROMA4), |
| .aud = CX25840_AUDIO_SERIAL, |
| }, |
| }; |
| |
| static const struct routing_scheme routing_schemes[] = { |
| [PVR2_ROUTING_SCHEME_HAUPPAUGE] = { |
| .def = routing_scheme0, |
| .cnt = ARRAY_SIZE(routing_scheme0), |
| }, |
| [PVR2_ROUTING_SCHEME_GOTVIEW] = { |
| .def = routing_schemegv, |
| .cnt = ARRAY_SIZE(routing_schemegv), |
| }, |
| }; |
| |
| void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) |
| { |
| pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update..."); |
| if (hdw->input_dirty || hdw->force_dirty) { |
| enum cx25840_video_input vid_input; |
| enum cx25840_audio_input aud_input; |
| const struct routing_scheme *sp; |
| unsigned int sid = hdw->hdw_desc->signal_routing_scheme; |
| |
| if ((sid < ARRAY_SIZE(routing_schemes)) && |
| ((sp = routing_schemes + sid) != NULL) && |
| (hdw->input_val >= 0) && |
| (hdw->input_val < sp->cnt)) { |
| vid_input = sp->def[hdw->input_val].vid; |
| aud_input = sp->def[hdw->input_val].aud; |
| } else { |
| pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
| "*** WARNING *** subdev cx2584x set_input:" |
| " Invalid routing scheme (%u)" |
| " and/or input (%d)", |
| sid, hdw->input_val); |
| return; |
| } |
| |
| pvr2_trace(PVR2_TRACE_CHIPS, |
| "subdev cx2584x set_input vid=0x%x aud=0x%x", |
| vid_input, aud_input); |
| sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0); |
| sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0); |
| } |
| } |
| |
| |
| |
| /* |
| Stuff for Emacs to see, in order to encourage consistent editing style: |
| *** Local Variables: *** |
| *** mode: c *** |
| *** fill-column: 70 *** |
| *** tab-width: 8 *** |
| *** c-basic-offset: 8 *** |
| *** End: *** |
| */ |