patch-2.3.30 linux/drivers/char/zr36120.h

• Lines: 273
• Date: Sat Nov 27 15:27:48 1999
• Orig file: v2.3.29/linux/drivers/char/zr36120.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.29/linux/drivers/char/zr36120.h linux/drivers/char/zr36120.h
@@ -0,0 +1,272 @@
+/* 
+    zr36120.h - Zoran 36120/36125 based framegrabbers
+
+    Copyright (C) 1998-1999 Pauline Middelink (middelin@polyware.nl)
+
+    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 _ZR36120_H
+#define _ZR36120_H
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <linux/wait.h>
+
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+
+#include <asm/io.h>
+
+/*
+ * Debug macro's, place an x behind the ) for actual debug-compilation
+ * E.g. #define DEBUG(x...)	x
+ */
+#define DEBUG(x...)			/* Debug driver */
+#define IDEBUG(x...)			/* Debug interrupt handler */
+#define PDEBUG		0		/* Debug PCI writes */
+
+/* defined in zr36120_i2c */
+extern struct i2c_bus zoran_i2c_bus_template;
+
+#define	ZORAN_MAX_FBUFFERS	2
+#define ZORAN_MAX_FBUFFER	0x0A2000
+#define ZORAN_MAX_FBUFSIZE	(ZORAN_MAX_FBUFFERS*ZORAN_MAX_FBUFFER)
+
+/* external declarations */
+extern unsigned long zoran_alloc_memory(void);
+extern void zoran_free_memory(void);
+
+struct tvcard {
+	char*	name;		/* name of the cardtype */
+	int	video_inputs;	/* number of channels defined in video_mux */
+	int	audio_inputs;	/* number of channels defined in audio_mux */
+	__u32	swapi2c:1,	/* need to swap i2c wires SDA/SCL? */
+		usegirq1:1,	/* VSYNC at GIRQ1 instead of GIRQ0? */
+		vsync_pos:1,	/* positive VSYNC signal? */
+		hsync_pos:1,	/* positive HSYNC signal? */
+		gpdir:8,	/* General Purpose Direction register */
+		gpval:8;	/* General Purpose Value register */
+	int	video_mux[6];	/* mapping channel number to physical input */
+#define		IS_TUNER	0x80
+#define		IS_SVHS		0x40
+#define		CHANNEL_MASK	0x3F
+	int	audio_mux[6];	/* mapping channel number to physical input */
+};
+#define	TUNER(x)	((x)|IS_TUNER)
+#define	SVHS(x)		((x)|IS_SVHS)
+
+struct vidinfo {
+	int	status;
+#define FBUFFER_UNUSED       0
+#define FBUFFER_GRABBING     1
+#define FBUFFER_DONE         2
+	int	x,y;
+	int	w,h;
+	int	bpl;
+	int	bpp;		/* should be calculated */
+	int	format;
+	ulong	vidadr;		/* physical video address */
+	ulong*	overlay;
+};
+
+struct zoran 
+{
+	struct video_device video_dev;
+#define CARD	ztv->video_dev.name
+	struct i2c_bus	i2c;
+	struct video_picture picture;	/* Current picture params */
+	struct video_audio audio_dev;	/* Current audio params */
+
+	/* zoran chip specific details */
+	struct pci_dev*	dev;		/* ptr to PCI device */
+	ushort		id;		/* chip id */
+	unsigned char	revision;	/* chip revision */
+	int		zoran_adr;	/* bus address of IO memory */
+	char*		zoran_mem;	/* pointer to mapped IO memory */
+  
+	/* videocard details */
+	int		swidth;		/* screen width */
+	int		sheight;	/* screen height */
+	int		depth;		/* depth in bits */
+
+	/* channel details */
+	int		norm;		/* 0=PAL, 1=NTSC, 2=SECAM */
+	struct tvcard*	card;		/* the cardtype */
+	int		tuner_freq;	/* in Hz */
+
+	/* State details */
+	struct vidinfo	overinfo;	/* overlay data */
+	struct vidinfo	grabinfo[ZORAN_MAX_FBUFFERS];	/* grabbing data */
+	struct vidinfo	readinfo;	/* reading data */
+
+	/* maintenance data */
+	char*		fbuffer;	/* framebuffers for mmap */
+	int		user;		/* # users */
+	int		have_decoder;	/* did we detect a mux? */
+	int		have_tuner;	/* did we detect a tuner? */
+	int		tuner_type;	/* tuner type, when found */
+	int		running;
+	wait_queue_head_t grabq;	/* waiting capturers */
+	wait_queue_head_t readq;	/* waiting readers */
+	rwlock_t	lock;
+	int		state;		/* what is requested of us? */
+#define STATE_READ	0
+#define STATE_GRAB	1
+#define STATE_OVERLAY	2
+	int		prevstate;
+	int		lastframe;
+
+	int		interlace;	/* calculated */
+	int		vidXshift;	/* calculated */
+	int		vidWidth;	/* calculated */
+	int		vidHeight;	/* calculated */
+};
+
+#define zrwrite(dat,adr)    writel((dat),(char *) (ztv->zoran_mem+(adr)))
+#define zrread(adr)         readl(ztv->zoran_mem+(adr))
+
+#if !defined(PDEBUG) || (PDEBUG == 0)
+#define zrand(dat,adr)      zrwrite((dat) & zrread(adr), adr)
+#define zror(dat,adr)       zrwrite((dat) | zrread(adr), adr)
+#define zraor(dat,mask,adr) zrwrite( ((dat)&~(mask)) | ((mask)&zrread(adr)), adr)
+#else
+#define zrand(dat, adr) \
+do { \
+	ulong data = (dat) & zrread((adr)); \
+	zrwrite(data, (adr)); \
+	if (0 != (~(dat) & zrread((adr)))) \
+		printk(KERN_DEBUG "zoran: zrand at %d(%d) detected set bits(%x)\n", __LINE__, (adr), (dat)); \
+} while(0)
+
+#define zror(dat, adr) \
+do { \
+	ulong data = (dat) | zrread((adr)); \
+	zrwrite(data, (adr)); \
+	if ((dat) != ((dat) & zrread(adr))) \
+		printk(KERN_DEBUG "zoran: zror at %d(%d) detected unset bits(%x)\n", __LINE__, (adr), (dat)); \
+} while(0)
+
+#define zraor(dat, mask, adr) \
+do { \
+	ulong data; \
+	if ((dat) & (mask)) \
+		printk(KERN_DEBUG "zoran: zraor at %d(%d) detected bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \
+	data = ((dat)&~(mask)) | ((mask) & zrread((adr))); \
+	zrwrite(data,(adr)); \
+	if ( (dat) != (~(mask) & zrread((adr))) ) \
+		printk(KERN_DEBUG "zoran: zraor at %d(%d) could not set all bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \
+} while(0)
+#endif
+
+#endif
+
+/* zoran PCI address space */
+#define ZORAN_VFEH		0x000	/* Video Front End Horizontal Conf. */
+#define	ZORAN_VFEH_HSPOL	(1<<30)
+#define	ZORAN_VFEH_HSTART	(0x3FF<<10)
+#define	ZORAN_VFEH_HEND		(0x3FF<<0)
+
+#define ZORAN_VFEV		0x004	/* Video Front End Vertical Conf. */
+#define	ZORAN_VFEV_VSPOL	(1<<30)
+#define	ZORAN_VFEV_VSTART	(0x3FF<<10)
+#define	ZORAN_VFEV_VEND		(0x3FF<<0)
+
+#define	ZORAN_VFEC		0x008	/* Video Front End Scaler and Pixel */
+#define ZORAN_VFEC_EXTFL	(1<<26)
+#define	ZORAN_VFEC_TOPFIELD	(1<<25)
+#define	ZORAN_VFEC_VCLKPOL	(1<<24)
+#define	ZORAN_VFEC_HFILTER	(7<<21)
+#define	ZORAN_VFEC_HFILTER_1	(0<<21)	/* no lumi,    3-tap chromo */
+#define	ZORAN_VFEC_HFILTER_2	(1<<21)	/* 3-tap lumi, 3-tap chromo */
+#define	ZORAN_VFEC_HFILTER_3	(2<<21)	/* 4-tap lumi, 4-tap chromo */
+#define	ZORAN_VFEC_HFILTER_4	(3<<21)	/* 5-tap lumi, 4-tap chromo */
+#define	ZORAN_VFEC_HFILTER_5	(4<<21)	/* 4-tap lumi, 4-tap chromo */
+#define	ZORAN_VFEC_DUPFLD	(1<<20)
+#define	ZORAN_VFEC_HORDCM	(63<<14)
+#define	ZORAN_VFEC_VERDCM	(63<<8)
+#define	ZORAN_VFEC_DISPMOD	(1<<6)
+#define	ZORAN_VFEC_RGB		(3<<3)
+#define	ZORAN_VFEC_RGB_YUV422	(0<<3)
+#define	ZORAN_VFEC_RGB_RGB888	(1<<3)
+#define	ZORAN_VFEC_RGB_RGB565	(2<<3)
+#define	ZORAN_VFEC_RGB_RGB555	(3<<3)
+#define	ZORAN_VFEC_ERRDIF	(1<<2)
+#define	ZORAN_VFEC_PACK24	(1<<1)
+#define	ZORAN_VFEC_LE		(1<<0)
+
+#define	ZORAN_VTOP		0x00C	/* Video Display "Top" */
+
+#define	ZORAN_VBOT		0x010	/* Video Display "Bottom" */
+
+#define	ZORAN_VSTR		0x014	/* Video Display Stride */
+#define	ZORAN_VSTR_DISPSTRIDE	(0xFFFF<<16)
+#define	ZORAN_VSTR_VIDOVF	(1<<8)
+#define	ZORAN_VSTR_SNAPSHOT	(1<<1)
+#define	ZORAN_VSTR_GRAB		(1<<0)
+
+#define	ZORAN_VDC		0x018	/* Video Display Conf. */
+#define	ZORAN_VDC_VIDEN		(1<<31)
+#define	ZORAN_VDC_MINPIX	(0x1F<<25)
+#define	ZORAN_VDC_TRICOM	(1<<24)
+#define	ZORAN_VDC_VIDWINHT	(0x3FF<<12)
+#define	ZORAN_VDC_VIDWINWID	(0x3FF<<0)
+
+#define	ZORAN_MTOP		0x01C	/* Masking Map "Top" */
+
+#define	ZORAN_MBOT		0x020	/* Masking Map "Bottom" */
+
+#define	ZORAN_OCR		0x024	/* Overlay Control */
+#define	ZORAN_OCR_OVLEN		(1<<15)
+#define	ZORAN_OCR_MASKSTRIDE	(0xFF<<0)
+
+#define	ZORAN_PCI		0x028	/* System, PCI and GPP Control */
+#define	ZORAN_PCI_SOFTRESET	(1<<24)
+#define	ZORAN_PCI_WAITSTATE	(3<<16)
+#define	ZORAN_PCI_GENPURDIR	(0xFF<<0)
+
+#define	ZORAN_GUEST		0x02C	/* GuestBus Control */
+
+#define	ZORAN_CSOURCE		0x030	/* Code Source Address */
+
+#define	ZORAN_CTRANS		0x034	/* Code Transfer Control */
+
+#define	ZORAN_CMEM		0x038	/* Code Memory Pointer */
+
+#define	ZORAN_ISR		0x03C	/* Interrupt Status Register */
+#define	ZORAN_ISR_CODE		(1<<28)
+#define	ZORAN_ISR_GIRQ0		(1<<29)
+#define	ZORAN_ISR_GIRQ1		(1<<30)
+
+#define	ZORAN_ICR		0x040	/* Interrupt Control Register */
+#define	ZORAN_ICR_EN		(1<<24)
+#define	ZORAN_ICR_CODE		(1<<28)
+#define	ZORAN_ICR_GIRQ0		(1<<29)
+#define	ZORAN_ICR_GIRQ1		(1<<30)
+
+#define	ZORAN_I2C		0x044	/* I2C-Bus */
+#define ZORAN_I2C_SCL		(1<<1)
+#define ZORAN_I2C_SDA		(1<<0)
+
+#define	ZORAN_POST		0x48	/* PostOffice */
+#define	ZORAN_POST_PEN		(1<<25)
+#define	ZORAN_POST_TIME		(1<<24)
+#define	ZORAN_POST_DIR		(1<<23)
+#define	ZORAN_POST_GUESTID	(3<<20)
+#define	ZORAN_POST_GUEST	(7<<16)
+#define	ZORAN_POST_DATA		(0xFF<<0)
+
+#endif