2 Audio/video-routing-related ivtv functions.
3 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
4 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
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.
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
21 #include "ivtv-driver.h"
23 #include "ivtv-cards.h"
24 #include "ivtv-gpio.h"
25 #include "ivtv-routing.h"
27 #include <media/msp3400.h>
28 #include <media/upd64031a.h>
29 #include <media/upd64083.h>
31 /* Selects the audio input and output according to the current
33 void ivtv_audio_set_io(struct ivtv *itv)
35 struct v4l2_routing route;
39 /* Determine which input to use */
40 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
41 audio_input = itv->card->radio_input.audio_input;
42 mux_input = itv->card->radio_input.muxer_input;
44 audio_input = itv->card->audio_inputs[itv->audio_input].audio_input;
45 mux_input = itv->card->audio_inputs[itv->audio_input].muxer_input;
48 /* handle muxer chips */
49 route.input = mux_input;
51 ivtv_i2c_hw(itv, itv->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route);
53 route.input = audio_input;
54 if (itv->card->hw_audio & IVTV_HW_MSP34XX) {
55 route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
57 ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, &route);
60 /* Selects the video input and output according to the current
62 void ivtv_video_set_io(struct ivtv *itv)
64 struct v4l2_routing route;
65 int inp = itv->active_input;
68 route.input = itv->card->video_inputs[inp].video_input;
70 itv->video_dec_func(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
72 type = itv->card->video_inputs[inp].video_type;
74 if (type == IVTV_CARD_INPUT_VID_TUNER) {
75 route.input = 0; /* Tuner */
76 } else if (type < IVTV_CARD_INPUT_COMPOSITE1) {
77 route.input = 2; /* S-Video */
79 route.input = 1; /* Composite */
82 if (itv->card->hw_video & IVTV_HW_GPIO)
83 ivtv_gpio(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
85 if (itv->card->hw_video & IVTV_HW_UPD64031A) {
86 if (type == IVTV_CARD_INPUT_VID_TUNER ||
87 type >= IVTV_CARD_INPUT_COMPOSITE1) {
88 /* Composite: GR on, connect to 3DYCS */
89 route.input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;
91 /* S-Video: GR bypassed, turn it off */
92 route.input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;
94 route.input |= itv->card->gr_config;
96 ivtv_upd64031a(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
99 if (itv->card->hw_video & IVTV_HW_UPD6408X) {
100 route.input = UPD64083_YCS_MODE;
101 if (type > IVTV_CARD_INPUT_VID_TUNER &&
102 type < IVTV_CARD_INPUT_COMPOSITE1) {
103 /* S-Video uses YCNR mode and internal Y-ADC, the upd64031a
105 route.input |= UPD64083_YCNR_MODE;
107 else if (itv->card->hw_video & IVTV_HW_UPD64031A) {
108 /* Use upd64031a output for tuner and composite(CX23416GYC only) inputs */
109 if ((type == IVTV_CARD_INPUT_VID_TUNER)||
110 (itv->card->type == IVTV_CARD_CX23416GYC)) {
111 route.input |= UPD64083_EXT_Y_ADC;
114 ivtv_upd64083(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);