patch-2.3.27 linux/drivers/char/saa7146.h

• Lines: 118
• Date: Wed Nov 10 13:58:46 1999
• Orig file: v2.3.26/linux/drivers/char/saa7146.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.26/linux/drivers/char/saa7146.h linux/drivers/char/saa7146.h
@@ -0,0 +1,117 @@
+/*  
+    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/i2c.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;
+	struct i2c_bus i2c;
+	struct pci_dev *dev;
+	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 *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),(char *) (saa->saa7146_adr+(adr)))
+#define saaread(adr)         readl(saa->saa7146_adr+(adr))
+#else
+#define saawrite(dat,adr)    writel((dat), (char *) (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