diff options
Diffstat (limited to 'drivers/media/video/saa7146.h')
-rw-r--r-- | drivers/media/video/saa7146.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/media/video/saa7146.h b/drivers/media/video/saa7146.h new file mode 100644 index 00000000000..9fadb331a40 --- /dev/null +++ b/drivers/media/video/saa7146.h | |||
@@ -0,0 +1,112 @@ | |||
1 | /* | ||
2 | saa7146.h - definitions philips saa7146 based cards | ||
3 | Copyright (C) 1999 Nathan Laredo (laredo@gnu.org) | ||
4 | |||
5 | This program is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published by | ||
7 | the Free Software Foundation; either version 2 of the License, or | ||
8 | (at your option) any later version. | ||
9 | |||
10 | This program is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | GNU General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with this program; if not, write to the Free Software | ||
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
18 | */ | ||
19 | |||
20 | #ifndef __SAA7146__ | ||
21 | #define __SAA7146__ | ||
22 | |||
23 | #define SAA7146_VERSION_CODE 0x000101 | ||
24 | |||
25 | #include <linux/types.h> | ||
26 | #include <linux/wait.h> | ||
27 | |||
28 | #ifndef O_NONCAP | ||
29 | #define O_NONCAP O_TRUNC | ||
30 | #endif | ||
31 | |||
32 | #define MAX_GBUFFERS 2 | ||
33 | #define FBUF_SIZE 0x190000 | ||
34 | |||
35 | #ifdef __KERNEL__ | ||
36 | |||
37 | struct saa7146_window | ||
38 | { | ||
39 | int x, y; | ||
40 | ushort width, height; | ||
41 | ushort bpp, bpl; | ||
42 | ushort swidth, sheight; | ||
43 | short cropx, cropy; | ||
44 | ushort cropwidth, cropheight; | ||
45 | unsigned long vidadr; | ||
46 | int color_fmt; | ||
47 | ushort depth; | ||
48 | }; | ||
49 | |||
50 | /* Per-open data for handling multiple opens on one device */ | ||
51 | struct device_open | ||
52 | { | ||
53 | int isopen; | ||
54 | int noncapturing; | ||
55 | struct saa7146 *dev; | ||
56 | }; | ||
57 | #define MAX_OPENS 3 | ||
58 | |||
59 | struct saa7146 | ||
60 | { | ||
61 | struct video_device video_dev; | ||
62 | struct video_picture picture; | ||
63 | struct video_audio audio_dev; | ||
64 | struct video_info vidinfo; | ||
65 | int user; | ||
66 | int cap; | ||
67 | int capuser; | ||
68 | int irqstate; /* irq routine is state driven */ | ||
69 | int writemode; | ||
70 | int playmode; | ||
71 | unsigned int nr; | ||
72 | unsigned long irq; /* IRQ used by SAA7146 card */ | ||
73 | unsigned short id; | ||
74 | unsigned char revision; | ||
75 | unsigned char boardcfg[64]; /* 64 bytes of config from eeprom */ | ||
76 | unsigned long saa7146_adr; /* bus address of IO mem from PCI BIOS */ | ||
77 | struct saa7146_window win; | ||
78 | unsigned char __iomem *saa7146_mem; /* pointer to mapped IO memory */ | ||
79 | struct device_open open_data[MAX_OPENS]; | ||
80 | #define MAX_MARKS 16 | ||
81 | /* for a/v sync */ | ||
82 | int endmark[MAX_MARKS], endmarkhead, endmarktail; | ||
83 | u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2, | ||
84 | *dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out, | ||
85 | *pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in, | ||
86 | *pagea1out, *pagea2in, *pagea2out; | ||
87 | wait_queue_head_t i2cq, debiq, audq, vidq; | ||
88 | u8 *vidbuf, *audbuf, *osdbuf, *dmadebi; | ||
89 | int audhead, vidhead, osdhead, audtail, vidtail, osdtail; | ||
90 | spinlock_t lock; /* the device lock */ | ||
91 | }; | ||
92 | #endif | ||
93 | |||
94 | #ifdef _ALPHA_SAA7146 | ||
95 | #define saawrite(dat,adr) writel((dat), saa->saa7146_adr+(adr)) | ||
96 | #define saaread(adr) readl(saa->saa7146_adr+(adr)) | ||
97 | #else | ||
98 | #define saawrite(dat,adr) writel((dat), saa->saa7146_mem+(adr)) | ||
99 | #define saaread(adr) readl(saa->saa7146_mem+(adr)) | ||
100 | #endif | ||
101 | |||
102 | #define saaand(dat,adr) saawrite((dat) & saaread(adr), adr) | ||
103 | #define saaor(dat,adr) saawrite((dat) | saaread(adr), adr) | ||
104 | #define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr) | ||
105 | |||
106 | /* bitmask of attached hardware found */ | ||
107 | #define SAA7146_UNKNOWN 0x00000000 | ||
108 | #define SAA7146_SAA7111 0x00000001 | ||
109 | #define SAA7146_SAA7121 0x00000002 | ||
110 | #define SAA7146_IBMMPEG 0x00000004 | ||
111 | |||
112 | #endif | ||