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30#include "pvrusb2-video-v4l.h"
31
32
33
34#include "pvrusb2-hdw-internal.h"
35#include "pvrusb2-debug.h"
36#include <linux/videodev2.h>
37#include <media/v4l2-common.h>
38#include <media/saa7115.h>
39#include <linux/errno.h>
40
41struct routing_scheme {
42 const int *def;
43 unsigned int cnt;
44};
45
46
47static const int routing_scheme0[] = {
48 [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
49
50
51 [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
52 [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5,
53 [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2,
54};
55
56static const struct routing_scheme routing_def0 = {
57 .def = routing_scheme0,
58 .cnt = ARRAY_SIZE(routing_scheme0),
59};
60
61static const int routing_scheme1[] = {
62 [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
63 [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
64 [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE3,
65 [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2,
66};
67
68static const struct routing_scheme routing_def1 = {
69 .def = routing_scheme1,
70 .cnt = ARRAY_SIZE(routing_scheme1),
71};
72
73static const struct routing_scheme *routing_schemes[] = {
74 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
75 [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
76};
77
78void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
79{
80 if (hdw->input_dirty || hdw->force_dirty) {
81 const struct routing_scheme *sp;
82 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
83 u32 input;
84
85 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
86 hdw->input_val);
87
88 sp = (sid < ARRAY_SIZE(routing_schemes)) ?
89 routing_schemes[sid] : NULL;
90 if ((sp == NULL) ||
91 (hdw->input_val < 0) ||
92 (hdw->input_val >= sp->cnt)) {
93 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
94 "*** WARNING *** subdev v4l2 set_input:"
95 " Invalid routing scheme (%u)"
96 " and/or input (%d)",
97 sid, hdw->input_val);
98 return;
99 }
100 input = sp->def[hdw->input_val];
101 sd->ops->video->s_routing(sd, input, 0, 0);
102 }
103}
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