1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
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> |
6 | |
7 | */ |
8 | |
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" |
14 | |
15 | #include <media/drv-intf/msp3400.h> |
16 | #include <media/i2c/m52790.h> |
17 | #include <media/i2c/upd64031a.h> |
18 | #include <media/i2c/upd64083.h> |
19 | |
20 | /* Selects the audio input and output according to the current |
21 | settings. */ |
22 | void ivtv_audio_set_io(struct ivtv *itv) |
23 | { |
24 | const struct ivtv_card_audio_input *in; |
25 | u32 input, output = 0; |
26 | |
27 | /* Determine which input to use */ |
28 | if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) |
29 | in = &itv->card->radio_input; |
30 | else |
31 | in = &itv->card->audio_inputs[itv->audio_input]; |
32 | |
33 | /* handle muxer chips */ |
34 | input = in->muxer_input; |
35 | if (itv->card->hw_muxer & IVTV_HW_M52790) |
36 | output = M52790_OUT_STEREO; |
37 | v4l2_subdev_call(itv->sd_muxer, audio, s_routing, |
38 | input, output, 0); |
39 | |
40 | input = in->audio_input; |
41 | output = 0; |
42 | if (itv->card->hw_audio & IVTV_HW_MSP34XX) |
43 | output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1); |
44 | ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing, |
45 | input, output, 0); |
46 | } |
47 | |
48 | /* Selects the video input and output according to the current |
49 | settings. */ |
50 | void ivtv_video_set_io(struct ivtv *itv) |
51 | { |
52 | int inp = itv->active_input; |
53 | u32 input; |
54 | u32 type; |
55 | |
56 | v4l2_subdev_call(itv->sd_video, video, s_routing, |
57 | itv->card->video_inputs[inp].video_input, 0, 0); |
58 | |
59 | type = itv->card->video_inputs[inp].video_type; |
60 | |
61 | if (type == IVTV_CARD_INPUT_VID_TUNER) { |
62 | input = 0; /* Tuner */ |
63 | } else if (type < IVTV_CARD_INPUT_COMPOSITE1) { |
64 | input = 2; /* S-Video */ |
65 | } else { |
66 | input = 1; /* Composite */ |
67 | } |
68 | |
69 | if (itv->card->hw_video & IVTV_HW_GPIO) |
70 | ivtv_call_hw(itv, IVTV_HW_GPIO, video, s_routing, |
71 | input, 0, 0); |
72 | |
73 | if (itv->card->hw_video & IVTV_HW_UPD64031A) { |
74 | if (type == IVTV_CARD_INPUT_VID_TUNER || |
75 | type >= IVTV_CARD_INPUT_COMPOSITE1) { |
76 | /* Composite: GR on, connect to 3DYCS */ |
77 | input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE; |
78 | } else { |
79 | /* S-Video: GR bypassed, turn it off */ |
80 | input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE; |
81 | } |
82 | input |= itv->card->gr_config; |
83 | |
84 | ivtv_call_hw(itv, IVTV_HW_UPD64031A, video, s_routing, |
85 | input, 0, 0); |
86 | } |
87 | |
88 | if (itv->card->hw_video & IVTV_HW_UPD6408X) { |
89 | input = UPD64083_YCS_MODE; |
90 | if (type > IVTV_CARD_INPUT_VID_TUNER && |
91 | type < IVTV_CARD_INPUT_COMPOSITE1) { |
92 | /* S-Video uses YCNR mode and internal Y-ADC, the |
93 | upd64031a is not used. */ |
94 | input |= UPD64083_YCNR_MODE; |
95 | } |
96 | else if (itv->card->hw_video & IVTV_HW_UPD64031A) { |
97 | /* Use upd64031a output for tuner and |
98 | composite(CX23416GYC only) inputs */ |
99 | if (type == IVTV_CARD_INPUT_VID_TUNER || |
100 | itv->card->type == IVTV_CARD_CX23416GYC) { |
101 | input |= UPD64083_EXT_Y_ADC; |
102 | } |
103 | } |
104 | ivtv_call_hw(itv, IVTV_HW_UPD6408X, video, s_routing, |
105 | input, 0, 0); |
106 | } |
107 | } |
108 | |