1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
ioctl control functions
Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
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, or
(at your option) any later version.
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
*/
#include "ivtv-driver.h"
#include "ivtv-ioctl.h"
#include "ivtv-controls.h"
#include "ivtv-mailbox.h"
static int ivtv_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt)
{
struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
/* First try to allocate sliced VBI buffers if needed. */
if (fmt && itv->vbi.sliced_mpeg_data[0] == NULL) {
int i;
for (i = 0; i < IVTV_VBI_FRAMES; i++) {
/* Yuck, hardcoded. Needs to be a define */
itv->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL);
if (itv->vbi.sliced_mpeg_data[i] == NULL) {
while (--i >= 0) {
kfree(itv->vbi.sliced_mpeg_data[i]);
itv->vbi.sliced_mpeg_data[i] = NULL;
}
return -ENOMEM;
}
}
}
itv->vbi.insert_mpeg = fmt;
if (itv->vbi.insert_mpeg == 0) {
return 0;
}
/* Need sliced data for mpeg insertion */
if (ivtv_get_service_set(itv->vbi.sliced_in) == 0) {
if (itv->is_60hz)
itv->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525;
else
itv->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625;
ivtv_expand_service_set(itv->vbi.sliced_in, itv->is_50hz);
}
return 0;
}
static int ivtv_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
{
struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
struct v4l2_mbus_framefmt fmt;
/* fix videodecoder resolution */
fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
fmt.height = cxhdl->height;
fmt.code = V4L2_MBUS_FMT_FIXED;
v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &fmt);
return 0;
}
static int ivtv_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
{
static const u32 freqs[3] = { 44100, 48000, 32000 };
struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
/* The audio clock of the digitizer must match the codec sample
rate otherwise you get some very strange effects. */
if (idx < ARRAY_SIZE(freqs))
ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]);
return 0;
}
static int ivtv_s_audio_mode(struct cx2341x_handler *cxhdl, u32 val)
{
struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl);
itv->dualwatch_stereo_mode = val;
return 0;
}
struct cx2341x_handler_ops ivtv_cxhdl_ops = {
.s_audio_mode = ivtv_s_audio_mode,
.s_audio_sampling_freq = ivtv_s_audio_sampling_freq,
.s_video_encoding = ivtv_s_video_encoding,
.s_stream_vbi_fmt = ivtv_s_stream_vbi_fmt,
};
int ivtv_g_pts_frame(struct ivtv *itv, s64 *pts, s64 *frame)
{
u32 data[CX2341X_MBOX_MAX_DATA];
if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
*pts = (s64)((u64)itv->last_dec_timing[2] << 32) |
(u64)itv->last_dec_timing[1];
*frame = itv->last_dec_timing[0];
return 0;
}
*pts = 0;
*frame = 0;
if (atomic_read(&itv->decoding)) {
if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
return -EIO;
}
memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
*pts = (s64)((u64) data[2] << 32) | (u64) data[1];
*frame = data[0];
/*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
}
return 0;
}
static int ivtv_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
struct ivtv *itv = container_of(ctrl->handler, struct ivtv, hdl_out);
switch (ctrl->id) {
/* V4L2_CID_MPEG_VIDEO_DEC_PTS and V4L2_CID_MPEG_VIDEO_DEC_FRAME
control cluster */
case V4L2_CID_MPEG_VIDEO_DEC_PTS:
return ivtv_g_pts_frame(itv, &itv->ctrl_pts->val64,
&itv->ctrl_frame->val64);
}
return 0;
}
static int ivtv_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct ivtv *itv = container_of(ctrl->handler, struct ivtv, hdl_out);
switch (ctrl->id) {
/* V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK and MULTILINGUAL_PLAYBACK
control cluster */
case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK:
itv->audio_stereo_mode = itv->ctrl_audio_playback->val - 1;
itv->audio_bilingual_mode = itv->ctrl_audio_multilingual_playback->val - 1;
ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
break;
}
return 0;
}
const struct v4l2_ctrl_ops ivtv_hdl_out_ops = {
.s_ctrl = ivtv_s_ctrl,
.g_volatile_ctrl = ivtv_g_volatile_ctrl,
};
|
