1 // SPDX-License-Identifier: GPL-2.0-or-later
3     Audio/video-routing-related ivtv functions.
4     Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
5     Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
9 #include "ivtv-driver.h"
10 #include "ivtv-i2c.h"
11 #include "ivtv-cards.h"
12 #include "ivtv-gpio.h"
13 #include "ivtv-routing.h"
15 #include <media/drv-intf/msp3400.h>
20 /* Selects the audio input and output according to the current
28 	if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))  in ivtv_audio_set_io()
29 		in = &itv->card->radio_input;  in ivtv_audio_set_io()
31 		in = &itv->card->audio_inputs[itv->audio_input];  in ivtv_audio_set_io()
34 	input = in->muxer_input;  in ivtv_audio_set_io()
35 	if (itv->card->hw_muxer & IVTV_HW_M52790)  in ivtv_audio_set_io()
37 	v4l2_subdev_call(itv->sd_muxer, audio, s_routing,  in ivtv_audio_set_io()
40 	input = in->audio_input;  in ivtv_audio_set_io()
42 	if (itv->card->hw_audio & IVTV_HW_MSP34XX)  in ivtv_audio_set_io()
44 	ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing,  in ivtv_audio_set_io()
48 /* Selects the video input and output according to the current
52 	int inp = itv->active_input;  in ivtv_video_set_io()
56 	v4l2_subdev_call(itv->sd_video, video, s_routing,  in ivtv_video_set_io()
57 		itv->card->video_inputs[inp].video_input, 0, 0);  in ivtv_video_set_io()
59 	type = itv->card->video_inputs[inp].video_type;  in ivtv_video_set_io()
64 		input = 2;  /* S-Video */  in ivtv_video_set_io()
69 	if (itv->card->hw_video & IVTV_HW_GPIO)  in ivtv_video_set_io()
70 		ivtv_call_hw(itv, IVTV_HW_GPIO, video, s_routing,  in ivtv_video_set_io()
73 	if (itv->card->hw_video & IVTV_HW_UPD64031A) {  in ivtv_video_set_io()
79 			/* S-Video: GR bypassed, turn it off */  in ivtv_video_set_io()
82 		input |= itv->card->gr_config;  in ivtv_video_set_io()
84 		ivtv_call_hw(itv, IVTV_HW_UPD64031A, video, s_routing,  in ivtv_video_set_io()
88 	if (itv->card->hw_video & IVTV_HW_UPD6408X) {  in ivtv_video_set_io()
92 			/* S-Video uses YCNR mode and internal Y-ADC, the  in ivtv_video_set_io()
96 		else if (itv->card->hw_video & IVTV_HW_UPD64031A) {  in ivtv_video_set_io()
100 			    itv->card->type == IVTV_CARD_CX23416GYC) {  in ivtv_video_set_io()
104 		ivtv_call_hw(itv, IVTV_HW_UPD6408X, video, s_routing,  in ivtv_video_set_io()