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 @@
+/*
+    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>
+
+#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