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/i2c.h>
29#include <linux/videodev.h>
30
31#ifndef O_NONCAP
32#define O_NONCAP	O_TRUNC
33#endif
34
35#define MAX_GBUFFERS	2
36#define FBUF_SIZE	0x190000
37
38#ifdef __KERNEL__
39
40struct saa7146_window
41{
42	int x, y;
43	ushort width, height;
44	ushort bpp, bpl;
45	ushort swidth, sheight;
46	short cropx, cropy;
47	ushort cropwidth, cropheight;
48	unsigned long vidadr;
49	int color_fmt;
50	ushort depth;
51};
52
53/*  Per-open data for handling multiple opens on one device */
54struct device_open
55{
56	int	     isopen;
57	int	     noncapturing;
58	struct saa7146  *dev;
59};
60#define MAX_OPENS 3
61
62struct saa7146
63{
64	struct video_device video_dev;
65	struct video_picture picture;
66	struct video_audio audio_dev;
67	struct video_info vidinfo;
68	int user;
69	int cap;
70	int capuser;
71	int irqstate;		/* irq routine is state driven */
72	int writemode;
73	int playmode;
74        unsigned int nr;
75	unsigned long irq;          /* IRQ used by SAA7146 card */
76	unsigned short id;
77	struct i2c_bus i2c;
78	struct pci_dev *dev;
79	unsigned char revision;
80	unsigned char boardcfg[64];	/* 64 bytes of config from eeprom */
81	unsigned long saa7146_adr;   /* bus address of IO mem from PCI BIOS */
82	struct saa7146_window win;
83	unsigned char *saa7146_mem; /* pointer to mapped IO memory */
84	struct device_open open_data[MAX_OPENS];
85#define MAX_MARKS 16
86	/* for a/v sync */
87	int endmark[MAX_MARKS], endmarkhead, endmarktail;
88	u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2,
89		*dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out,
90		*pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in,
91		*pagea1out, *pagea2in, *pagea2out;
92	wait_queue_head_t i2cq, debiq, audq, vidq;
93	u8  *vidbuf, *audbuf, *osdbuf, *dmadebi;
94	int audhead, vidhead, osdhead, audtail, vidtail, osdtail;
95	spinlock_t lock;	/* the device lock */
96};
97#endif
98
99#ifdef _ALPHA_SAA7146
100#define saawrite(dat,adr)    writel((dat),(char *) (saa->saa7146_adr+(adr)))
101#define saaread(adr)         readl(saa->saa7146_adr+(adr))
102#else
103#define saawrite(dat,adr)    writel((dat), (char *) (saa->saa7146_mem+(adr)))
104#define saaread(adr)         readl(saa->saa7146_mem+(adr))
105#endif
106
107#define saaand(dat,adr)      saawrite((dat) & saaread(adr), adr)
108#define saaor(dat,adr)       saawrite((dat) | saaread(adr), adr)
109#define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr)
110
111/* bitmask of attached hardware found */
112#define SAA7146_UNKNOWN		0x00000000
113#define SAA7146_SAA7111		0x00000001
114#define SAA7146_SAA7121		0x00000002
115#define SAA7146_IBMMPEG		0x00000004
116
117#endif
118