mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 02:04:19 +08:00
115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/*
|
|
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>
|
|
|
|
#include <linux/videodev.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
|