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
|
/*
saa7146.h - definitions philips saa7146 based cards
Copyright (C) 1999 Nathan Laredo (laredo@gnu.org)
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __SAA7146__
#define __SAA7146__
#define SAA7146_VERSION_CODE 0x000101
#include <linux/types.h>
#include <linux/wait.h>
#ifndef O_NONCAP
#define O_NONCAP O_TRUNC
#endif
#define MAX_GBUFFERS 2
#define FBUF_SIZE 0x190000
#ifdef __KERNEL__
struct saa7146_window
{
int x, y;
ushort width, height;
ushort bpp, bpl;
ushort swidth, sheight;
short cropx, cropy;
ushort cropwidth, cropheight;
unsigned long vidadr;
int color_fmt;
ushort depth;
};
/* Per-open data for handling multiple opens on one device */
struct device_open
{
int isopen;
int noncapturing;
struct saa7146 *dev;
};
#define MAX_OPENS 3
struct saa7146
{
struct video_device video_dev;
struct video_picture picture;
struct video_audio audio_dev;
struct video_info vidinfo;
int user;
int cap;
int capuser;
int irqstate; /* irq routine is state driven */
int writemode;
int playmode;
unsigned int nr;
unsigned long irq; /* IRQ used by SAA7146 card */
unsigned short id;
unsigned char revision;
unsigned char boardcfg[64]; /* 64 bytes of config from eeprom */
unsigned long saa7146_adr; /* bus address of IO mem from PCI BIOS */
struct saa7146_window win;
unsigned char __iomem *saa7146_mem; /* pointer to mapped IO memory */
struct device_open open_data[MAX_OPENS];
#define MAX_MARKS 16
/* for a/v sync */
int endmark[MAX_MARKS], endmarkhead, endmarktail;
u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2,
*dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out,
*pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in,
*pagea1out, *pagea2in, *pagea2out;
wait_queue_head_t i2cq, debiq, audq, vidq;
u8 *vidbuf, *audbuf, *osdbuf, *dmadebi;
int audhead, vidhead, osdhead, audtail, vidtail, osdtail;
spinlock_t lock; /* the device lock */
};
#endif
#ifdef _ALPHA_SAA7146
#define saawrite(dat,adr) writel((dat), saa->saa7146_adr+(adr))
#define saaread(adr) readl(saa->saa7146_adr+(adr))
#else
#define saawrite(dat,adr) writel((dat), saa->saa7146_mem+(adr))
#define saaread(adr) readl(saa->saa7146_mem+(adr))
#endif
#define saaand(dat,adr) saawrite((dat) & saaread(adr), adr)
#define saaor(dat,adr) saawrite((dat) | saaread(adr), adr)
#define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr)
/* bitmask of attached hardware found */
#define SAA7146_UNKNOWN 0x00000000
#define SAA7146_SAA7111 0x00000001
#define SAA7146_SAA7121 0x00000002
#define SAA7146_IBMMPEG 0x00000004
#endif
|
