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1da177e4 LT |
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 | #include <linux/videodev.h> | |
29 | ||
30 | #ifndef O_NONCAP | |
31 | #define O_NONCAP O_TRUNC | |
32 | #endif | |
33 | ||
34 | #define MAX_GBUFFERS 2 | |
35 | #define FBUF_SIZE 0x190000 | |
36 | ||
37 | #ifdef __KERNEL__ | |
38 | ||
39 | struct saa7146_window | |
40 | { | |
41 | int x, y; | |
42 | ushort width, height; | |
43 | ushort bpp, bpl; | |
44 | ushort swidth, sheight; | |
45 | short cropx, cropy; | |
46 | ushort cropwidth, cropheight; | |
47 | unsigned long vidadr; | |
48 | int color_fmt; | |
49 | ushort depth; | |
50 | }; | |
51 | ||
52 | /* Per-open data for handling multiple opens on one device */ | |
53 | struct device_open | |
54 | { | |
55 | int isopen; | |
56 | int noncapturing; | |
57 | struct saa7146 *dev; | |
58 | }; | |
59 | #define MAX_OPENS 3 | |
60 | ||
61 | struct saa7146 | |
62 | { | |
63 | struct video_device video_dev; | |
64 | struct video_picture picture; | |
65 | struct video_audio audio_dev; | |
66 | struct video_info vidinfo; | |
67 | int user; | |
68 | int cap; | |
69 | int capuser; | |
70 | int irqstate; /* irq routine is state driven */ | |
71 | int writemode; | |
72 | int playmode; | |
73 | unsigned int nr; | |
74 | unsigned long irq; /* IRQ used by SAA7146 card */ | |
75 | unsigned short id; | |
76 | struct pci_dev *dev; | |
77 | unsigned char revision; | |
78 | unsigned char boardcfg[64]; /* 64 bytes of config from eeprom */ | |
79 | unsigned long saa7146_adr; /* bus address of IO mem from PCI BIOS */ | |
80 | struct saa7146_window win; | |
81 | unsigned char __iomem *saa7146_mem; /* pointer to mapped IO memory */ | |
82 | struct device_open open_data[MAX_OPENS]; | |
83 | #define MAX_MARKS 16 | |
84 | /* for a/v sync */ | |
85 | int endmark[MAX_MARKS], endmarkhead, endmarktail; | |
86 | u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2, | |
87 | *dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out, | |
88 | *pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in, | |
89 | *pagea1out, *pagea2in, *pagea2out; | |
90 | wait_queue_head_t i2cq, debiq, audq, vidq; | |
91 | u8 *vidbuf, *audbuf, *osdbuf, *dmadebi; | |
92 | int audhead, vidhead, osdhead, audtail, vidtail, osdtail; | |
93 | spinlock_t lock; /* the device lock */ | |
94 | }; | |
95 | #endif | |
96 | ||
97 | #ifdef _ALPHA_SAA7146 | |
98 | #define saawrite(dat,adr) writel((dat), saa->saa7146_adr+(adr)) | |
99 | #define saaread(adr) readl(saa->saa7146_adr+(adr)) | |
100 | #else | |
101 | #define saawrite(dat,adr) writel((dat), saa->saa7146_mem+(adr)) | |
102 | #define saaread(adr) readl(saa->saa7146_mem+(adr)) | |
103 | #endif | |
104 | ||
105 | #define saaand(dat,adr) saawrite((dat) & saaread(adr), adr) | |
106 | #define saaor(dat,adr) saawrite((dat) | saaread(adr), adr) | |
107 | #define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr) | |
108 | ||
109 | /* bitmask of attached hardware found */ | |
110 | #define SAA7146_UNKNOWN 0x00000000 | |
111 | #define SAA7146_SAA7111 0x00000001 | |
112 | #define SAA7146_SAA7121 0x00000002 | |
113 | #define SAA7146_IBMMPEG 0x00000004 | |
114 | ||
115 | #endif |