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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <inttypes.h>
#include <fcntl.h>
#include "../vidix.h"
#include "../fourcc.h"
#include "../../libdha/libdha.h"
#include "../../libdha/pci_ids.h"
#include "../../libdha/pci_names.h"
#define DEMO_DRIVER 1
#define VIDIX_STATIC genfb_
#define GENFB_MSG "[genfb-demo-driver] "
#if 0 /* these are unused. remove? */
static int fd;
static void *mmio_base = 0;
static void *mem_base = 0;
static int32_t overlay_offset = 0;
static uint32_t ram_size = 0;
#endif
static int probed = 0;
/* VIDIX exports */
static vidix_capability_t genfb_cap =
{
"General Framebuffer",
"alex",
TYPE_OUTPUT,
{ 0, 0, 0, 0 },
2048,
2048,
4,
4,
-1,
FLAG_UPSCALER|FLAG_DOWNSCALER,
-1,
-1,
{ 0, 0, 0, 0 }
};
unsigned int VIDIX_NAME(vixGetVersion)(void)
{
return(VIDIX_VERSION);
}
int VIDIX_NAME(vixProbe)(int verbose,int force)
{
#if 0
int err = 0;
#ifdef DEMO_DRIVER
err = ENOSYS;
#endif
printf(GENFB_MSG"probe\n");
fd = open("/dev/fb0", O_RDWR);
if (fd < 0)
{
printf(GENFB_MSG"Error occured durint open: %s\n", strerror(errno));
err = errno;
}
probed = 1;
return(err);
#else
pciinfo_t lst[MAX_PCI_DEVICES];
unsigned i,num_pci;
int err;
err = pci_scan(lst,&num_pci);
if(err)
{
printf(GENFB_MSG"Error occured during pci scan: %s\n",strerror(err));
return err;
}
else
{
err = ENXIO;
for(i=0;i<num_pci;i++)
{
if(verbose)
printf(GENFB_MSG" Found chip [%04X:%04X] '%s' '%s'\n"
,lst[i].vendor
,lst[i].device
,pci_vendor_name(lst[i].vendor)
,pci_device_name(lst[i].vendor,lst[i].device));
}
}
return ENOSYS;
#endif
}
int VIDIX_NAME(vixInit)(const char *args)
{
printf(GENFB_MSG"init\n");
if (!probed)
{
printf(GENFB_MSG"Driver was not probed but is being initialized\n");
return(EINTR);
}
return(0);
}
void VIDIX_NAME(vixDestroy)(void)
{
printf(GENFB_MSG"destory\n");
return;
}
int VIDIX_NAME(vixGetCapability)(vidix_capability_t *to)
{
memcpy(to, &genfb_cap, sizeof(vidix_capability_t));
return(0);
}
int VIDIX_NAME(vixQueryFourcc)(vidix_fourcc_t *to)
{
printf(GENFB_MSG"query fourcc (%x)\n", to->fourcc);
to->depth = VID_DEPTH_1BPP | VID_DEPTH_2BPP |
VID_DEPTH_4BPP | VID_DEPTH_8BPP |
VID_DEPTH_12BPP | VID_DEPTH_15BPP |
VID_DEPTH_16BPP | VID_DEPTH_24BPP |
VID_DEPTH_32BPP;
to->flags = 0;
return(0);
}
int VIDIX_NAME(vixConfigPlayback)(vidix_playback_t *info)
{
printf(GENFB_MSG"config playback\n");
info->num_frames = 2;
info->frame_size = info->src.w*info->src.h+(info->src.w*info->src.h)/2;
info->dest.pitch.y = 32;
info->dest.pitch.u = info->dest.pitch.v = 16;
info->offsets[0] = 0;
info->offsets[1] = info->frame_size;
info->offset.y = 0;
info->offset.v = ((info->src.w+31) & ~31) * info->src.h;
info->offset.u = info->offset.v+((info->src.w+31) & ~31) * info->src.h/4;
info->dga_addr = malloc(info->num_frames*info->frame_size);
printf(GENFB_MSG"frame_size: %d, dga_addr: %p\n",
info->frame_size, info->dga_addr);
return(0);
}
int VIDIX_NAME(vixPlaybackOn)(void)
{
printf(GENFB_MSG"playback on\n");
return(0);
}
int VIDIX_NAME(vixPlaybackOff)(void)
{
printf(GENFB_MSG"playback off\n");
return(0);
}
int VIDIX_NAME(vixPlaybackFrameSelect)(unsigned int frame)
{
printf(GENFB_MSG"frameselect: %d\n", frame);
return(0);
}
|
