patch-2.3.48 linux/drivers/video/matrox/matroxfb_base.h

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Lines: 826
Date: Thu Feb 24 10:11:24 2000
Orig file: v2.3.47/linux/drivers/video/matrox/matroxfb_base.h
Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/drivers/video/matrox/matroxfb_base.h linux/drivers/video/matrox/matroxfb_base.h
@@ -0,0 +1,825 @@
+/*
+ *
+ * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
+ *
+ * (c) 1998,1999 Petr Vandrovec <vandrove@vc.cvut.cz>
+ *
+ */
+#ifndef __MATROXFB_H__
+#define __MATROXFB_H__
+
+/* general, but fairly heavy, debugging */
+#undef MATROXFB_DEBUG
+
+/* heavy debugging: */
+/* -- logs putc[s], so everytime a char is displayed, it's logged */
+#undef MATROXFB_DEBUG_HEAVY
+
+/* This one _could_ cause infinite loops */
+/* It _does_ cause lots and lots of messages during idle loops */
+#undef MATROXFB_DEBUG_LOOP
+
+/* Debug register calls, too? */
+#undef MATROXFB_DEBUG_REG
+
+/* Guard accelerator accesses with spin_lock_irqsave... */
+#undef MATROXFB_USE_SPINLOCKS
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/malloc.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/console.h>
+#include <linux/selection.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/timer.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+
+#include <asm/io.h>
+#include <asm/unaligned.h>
+#ifdef CONFIG_MTRR
+#include <asm/mtrr.h>
+#endif
+
+#include <video/fbcon.h>
+#include <video/fbcon-cfb4.h>
+#include <video/fbcon-cfb8.h>
+#include <video/fbcon-cfb16.h>
+#include <video/fbcon-cfb24.h>
+#include <video/fbcon-cfb32.h>
+
+#if defined(CONFIG_FB_OF)
+#if defined(CONFIG_FB_COMPAT_XPMAC)
+#include <asm/vc_ioctl.h>
+#endif
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <video/macmodes.h>
+#endif
+
+/* always compile support for 32MB... It cost almost nothing */
+#define CONFIG_FB_MATROX_32MB
+
+#define FBCON_HAS_VGATEXT
+
+#ifdef MATROXFB_DEBUG
+
+#define DEBUG
+#define DBG(x)		printk(KERN_DEBUG "matroxfb: %s\n", (x));
+
+#ifdef MATROXFB_DEBUG_HEAVY
+#define DBG_HEAVY(x)	DBG(x)
+#else /* MATROXFB_DEBUG_HEAVY */
+#define DBG_HEAVY(x)	/* DBG_HEAVY */
+#endif /* MATROXFB_DEBUG_HEAVY */
+
+#ifdef MATROXFB_DEBUG_LOOP
+#define DBG_LOOP(x)	DBG(x)
+#else /* MATROXFB_DEBUG_LOOP */
+#define DBG_LOOP(x)	/* DBG_LOOP */
+#endif /* MATROXFB_DEBUG_LOOP */
+
+#ifdef MATROXFB_DEBUG_REG
+#define DBG_REG(x)	DBG(x)
+#else /* MATROXFB_DEBUG_REG */
+#define DBG_REG(x)	/* DBG_REG */
+#endif /* MATROXFB_DEBUG_REG */
+
+#else /* MATROXFB_DEBUG */
+
+#define DBG(x)		/* DBG */
+#define DBG_HEAVY(x)	/* DBG_HEAVY */
+#define DBG_REG(x)	/* DBG_REG */
+#define DBG_LOOP(x)	/* DBG_LOOP */
+
+#endif /* MATROXFB_DEBUG */
+
+#ifndef __i386__
+#ifndef ioremap_nocache
+#define ioremap_nocache(X,Y) ioremap(X,Y)
+#endif
+#endif
+
+#if defined(__alpha__) || defined(__m68k__)
+#define READx_WORKS
+#define MEMCPYTOIO_WORKS
+#else
+#define READx_FAILS
+/* recheck __ppc__, maybe that __ppc__ needs MEMCPYTOIO_WRITEL */
+/* I benchmarked PII/350MHz with G200... MEMCPY, MEMCPYTOIO and WRITEL are on same speed ( <2% diff) */
+/* so that means that G200 speed (or AGP speed?) is our limit... I do not have benchmark to test, how */
+/* much of PCI bandwidth is used during transfers... */
+#if defined(__i386__)
+#define MEMCPYTOIO_MEMCPY
+#else
+#define MEMCPYTOIO_WRITEL
+#endif
+#endif
+
+#ifdef __sparc__
+#error "Sorry, I have no idea how to do this on sparc... There is mapioaddr... With bus_type parameter..."
+#endif
+
+#if defined(__m68k__)
+#define MAP_BUSTOVIRT
+#else
+#define MAP_IOREMAP
+#endif
+
+#ifdef DEBUG
+#define dprintk(X...)	printk(X)
+#else
+#define dprintk(X...)
+#endif
+
+#ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
+#define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF	0x110A
+#endif
+#ifndef PCI_SS_VENDOR_ID_MATROX
+#define PCI_SS_VENDOR_ID_MATROX		PCI_VENDOR_ID_MATROX
+#endif
+#ifndef PCI_DEVICE_ID_MATROX_G200_PCI
+#define PCI_DEVICE_ID_MATROX_G200_PCI	0x0520
+#endif
+#ifndef PCI_DEVICE_ID_MATROX_G200_AGP
+#define PCI_DEVICE_ID_MATROX_G200_AGP	0x0521
+#endif
+#ifndef PCI_DEVICE_ID_MATROX_G100
+#define PCI_DEVICE_ID_MATROX_G100	0x1000
+#endif
+#ifndef PCI_DEVICE_ID_MATROX_G100_AGP
+#define PCI_DEVICE_ID_MATROX_G100_AGP	0x1001
+#endif
+#ifndef PCI_DEVICE_ID_MATROX_G400_AGP
+#define PCI_DEVICE_ID_MATROX_G400_AGP	0x0525
+#endif
+
+#ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP
+#define PCI_SS_ID_MATROX_GENERIC		0xFF00
+#define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP	0xFF01
+#define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP	0xFF02
+#define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP	0xFF03
+#define PCI_SS_ID_MATROX_MARVEL_G200_AGP	0xFF04
+#define PCI_SS_ID_MATROX_MGA_G100_PCI		0xFF05
+#define PCI_SS_ID_MATROX_MGA_G100_AGP		0x1001
+#define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP	0x2179
+#define PCI_SS_ID_SIEMENS_MGA_G100_AGP		0x001E /* 30 */
+#define PCI_SS_ID_SIEMENS_MGA_G200_AGP		0x0032 /* 50 */
+#endif
+
+#define MX_VISUAL_TRUECOLOR	FB_VISUAL_DIRECTCOLOR
+#define MX_VISUAL_DIRECTCOLOR	FB_VISUAL_TRUECOLOR
+#define MX_VISUAL_PSEUDOCOLOR	FB_VISUAL_PSEUDOCOLOR
+
+#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
+
+/* G100, G200 and Mystique have (almost) same DAC */
+#undef NEED_DAC1064
+#if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G100)
+#define NEED_DAC1064 1
+#endif
+
+typedef struct {
+	u_int8_t*	vaddr;
+} vaddr_t;
+
+#ifdef READx_WORKS
+static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
+	return readb(va.vaddr + offs);
+}
+
+static inline unsigned int mga_readw(vaddr_t va, unsigned int offs) {
+	return readw(va.vaddr + offs);
+}
+
+static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
+	return readl(va.vaddr + offs);
+}
+
+static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) {
+	writeb(value, va.vaddr + offs);
+}
+
+static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) {
+	writew(value, va.vaddr + offs);
+}
+
+static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
+	writel(value, va.vaddr + offs);
+}
+#else
+static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
+	return *(volatile u_int8_t*)(va.vaddr + offs);
+}
+
+static inline unsigned int mga_readw(vaddr_t va, unsigned int offs) {
+	return *(volatile u_int16_t*)(va.vaddr + offs);
+}
+
+static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
+	return *(volatile u_int32_t*)(va.vaddr + offs);
+}
+
+static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) {
+	*(volatile u_int8_t*)(va.vaddr + offs) = value;
+}
+
+static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) {
+	*(volatile u_int16_t*)(va.vaddr + offs) = value;
+}
+
+static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
+	*(volatile u_int32_t*)(va.vaddr + offs) = value;
+}
+#endif
+
+static inline void mga_memcpy_toio(vaddr_t va, unsigned int offs, const void* src, int len) {
+#ifdef MEMCPYTOIO_WORKS
+	memcpy_toio(va.vaddr + offs, src, len);
+#elif defined(MEMCPYTOIO_WRITEL)
+#define srcd ((const u_int32_t*)src)
+	if (offs & 3) {
+		while (len >= 4) {
+			mga_writel(va, offs, get_unaligned(srcd++));
+			offs += 4;
+			len -= 4;
+		}
+	} else {
+		while (len >= 4) {
+			mga_writel(va, offs, *srcd++);
+			offs += 4;
+			len -= 4;
+		}
+	}
+#undef srcd
+	if (len) {
+		u_int32_t tmp;
+
+		memcpy(&tmp, src, len);
+		mga_writel(va, offs, tmp);
+	}
+#elif defined(MEMCPYTOIO_MEMCPY)
+	memcpy(va.vaddr + offs, src, len);
+#else
+#error "Sorry, do not know how to write block of data to device"
+#endif
+}
+
+static inline void vaddr_add(vaddr_t* va, unsigned long offs) {
+	va->vaddr += offs;
+}
+
+static inline void* vaddr_va(vaddr_t va) {
+	return va.vaddr;
+}
+
+#define MGA_IOREMAP_NORMAL	0
+#define MGA_IOREMAP_NOCACHE	1
+
+#define MGA_IOREMAP_FB		MGA_IOREMAP_NOCACHE
+#define MGA_IOREMAP_MMIO	MGA_IOREMAP_NOCACHE
+static inline int mga_ioremap(unsigned long phys, unsigned long size, int flags, vaddr_t* virt) {
+#ifdef MAP_IOREMAP
+	if (flags & MGA_IOREMAP_NOCACHE)
+		virt->vaddr = ioremap_nocache(phys, size);
+	else
+		virt->vaddr = ioremap(phys, size);
+#else
+#ifdef MAP_BUSTOVIRT
+	virt->vaddr = bus_to_virt(phys);
+#else
+#error "Your architecture does not have neither ioremap nor bus_to_virt... Giving up"
+#endif
+#endif
+	return (virt->vaddr == 0); /* 0, !0... 0, error_code in future */
+}
+
+static inline void mga_iounmap(vaddr_t va) {
+#ifdef MAP_IOREMAP
+	iounmap(va.vaddr);
+#endif
+}
+
+struct my_timming {
+	unsigned int pixclock;
+	unsigned int HDisplay;
+	unsigned int HSyncStart;
+	unsigned int HSyncEnd;
+	unsigned int HTotal;
+	unsigned int VDisplay;
+	unsigned int VSyncStart;
+	unsigned int VSyncEnd;
+	unsigned int VTotal;
+	unsigned int sync;
+	int	     dblscan;
+	int	     interlaced;
+	unsigned int delay;	/* CRTC delay */
+};
+
+struct matrox_pll_features {
+	unsigned int	vco_freq_min;
+	unsigned int	ref_freq;
+	unsigned int	feed_div_min;
+	unsigned int	feed_div_max;
+	unsigned int	in_div_min;
+	unsigned int	in_div_max;
+	unsigned int	post_shift_max;
+};
+
+struct matroxfb_par
+{
+	unsigned int	final_bppShift;
+	unsigned int	cmap_len;
+	struct {
+		unsigned int bytes;
+		unsigned int pixels;
+		unsigned int chunks;
+		      } ydstorg;
+	void		(*putc)(u_int32_t, u_int32_t, struct display*, int, int, int);
+	void		(*putcs)(u_int32_t, u_int32_t, struct display*, const unsigned short*, int, int, int);
+};
+
+struct matrox_fb_info;
+
+struct matrox_DAC1064_features {
+	u_int8_t	xvrefctrl;
+	u_int8_t	xmiscctrl;
+	unsigned int	cursorimage;
+};
+
+struct matrox_accel_features {
+	int		has_cacheflush;
+};
+
+/* current hardware status */
+struct mavenregs {
+	u_int8_t regs[256];
+	int	 mode;
+	int	 vlines;
+	int	 xtal;
+	int	 fv;
+
+	u_int16_t htotal;
+	u_int16_t hcorr;
+};
+
+struct matrox_hw_state {
+	u_int32_t	MXoptionReg;
+	unsigned char	DACclk[6];
+	unsigned char	DACreg[64];
+	unsigned char	MiscOutReg;
+	unsigned char	DACpal[768];
+	unsigned char	CRTC[25];
+	unsigned char	CRTCEXT[9];
+	unsigned char	SEQ[5];
+	/* unused for MGA mode, but who knows... */
+	unsigned char	GCTL[9];
+	/* unused for MGA mode, but who knows... */
+	unsigned char	ATTR[21];
+
+	/* TVOut only */
+	struct mavenregs	maven;
+
+	/* CRTC2 only */
+	/* u_int32_t	TBD */
+};
+
+struct matrox_accel_data {
+#ifdef CONFIG_FB_MATROX_MILLENIUM
+	unsigned char	ramdac_rev;
+#endif
+	u_int32_t	m_dwg_rect;
+	u_int32_t	m_opmode;
+};
+
+struct matrox_altout {
+	int		(*compute)(void* altout_dev, struct my_timming* input, struct matrox_hw_state* state);
+	int		(*program)(void* altout_dev, const struct matrox_hw_state* state);
+	int		(*start)(void* altout_dev);
+	void		(*incuse)(void* altout_dev);
+	void		(*decuse)(void* altout_dev);
+	int		(*setmode)(void* altout_dev, u_int32_t mode);
+	int		(*getmode)(void* altout_dev, u_int32_t* mode);
+};
+
+struct matrox_switch;
+struct matroxfb_driver;
+
+struct matrox_fb_info {
+	/* fb_info must be first */
+	struct fb_info		fbcon;
+
+	struct list_head	next_fb;
+
+	int			dead;
+	unsigned int		usecount;
+
+	struct matroxfb_par	curr;
+	struct matrox_hw_state	hw1;
+	struct matrox_hw_state	hw2;
+	struct matrox_hw_state*	newhw;
+	struct matrox_hw_state*	currenthw;
+
+	struct matrox_accel_data accel;
+
+	struct pci_dev*		pcidev;
+
+	struct {
+		u_int32_t	all;
+		u_int32_t	ph;
+		u_int32_t	sh;
+			      } output;
+	struct matrox_altout*	primout;
+	struct {
+	struct fb_info*		info;
+	struct rw_semaphore	lock;
+			      } crtc2;
+	struct {
+	struct matrox_altout*	output;
+	void*			device;
+	struct rw_semaphore	lock;
+			      } altout;
+
+#define MATROXFB_MAX_FB_DRIVERS		5
+	struct matroxfb_driver* (drivers[MATROXFB_MAX_FB_DRIVERS]);
+	void*			(drivers_data[MATROXFB_MAX_FB_DRIVERS]);
+	unsigned int		drivers_count;
+
+	struct {
+	unsigned long	base;	/* physical */
+	vaddr_t		vbase;	/* CPU view */
+	unsigned int	len;
+	unsigned int	len_usable;
+	unsigned int	len_maximum;
+		      } video;
+
+	struct {
+	unsigned long	base;	/* physical */
+	vaddr_t		vbase;	/* CPU view */
+	unsigned int	len;
+		      } mmio;
+
+	unsigned int	max_pixel_clock;
+
+	struct matrox_switch*	hw_switch;
+	int		currcon;
+	struct display*	currcon_display;
+
+	struct {
+		struct matrox_pll_features pll;
+		struct matrox_DAC1064_features DAC1064;
+		struct matrox_accel_features accel;
+			      } features;
+	struct {
+		spinlock_t	DAC;
+		spinlock_t	accel;
+			      } lock;
+
+	int			interleave;
+	int			millenium;
+	int			milleniumII;
+	struct {
+		int		cfb4;
+		const int*	vxres;
+		int		cross4MB;
+		int		text;
+		int		plnwt;
+			      } capable;
+	struct {
+		unsigned int	size;
+		unsigned int	mgabase;
+		vaddr_t		vbase;
+			      } fastfont;
+#ifdef CONFIG_MTRR
+	struct {
+		int		vram;
+		int		vram_valid;
+			      } mtrr;
+#endif
+	struct {
+		int		precise_width;
+		int		mga_24bpp_fix;
+		int		novga;
+		int		nobios;
+		int		nopciretry;
+		int		noinit;
+		int		inverse;
+		int		hwcursor;
+		int		blink;
+		int		sgram;
+#ifdef CONFIG_FB_MATROX_32MB
+		int		support32MB;
+#endif
+
+		int		accelerator;
+		int		text_type_aux;
+		int		video64bits;
+		int		crtc2;
+		int		maven_capable;
+		unsigned int	vgastep;
+		unsigned int	textmode;
+		unsigned int	textstep;
+		unsigned int	textvram;	/* character cells */
+		unsigned int	ydstorg;	/* offset in bytes from video start to usable memory */
+						/* 0 except for 6MB Millenium */
+			      } devflags;
+	struct display_switch	dispsw;
+	struct {
+		int		x;
+		int		y;
+		unsigned int	w;
+		unsigned int	u;
+		unsigned int	d;
+		unsigned int	type;
+		int		state;
+		int		redraw;
+		struct timer_list timer;
+			      } cursor;
+	struct { unsigned red, green, blue, transp; } palette[256];
+#if defined(CONFIG_FB_OF) && defined(CONFIG_FB_COMPAT_XPMAC)
+	char	matrox_name[32];
+#endif
+/* These ifdefs must be last! They differ for module & non-module compiles */
+#if defined(FBCON_HAS_CFB16) || defined(FBCON_HAS_CFB24) || defined(FBCON_HAS_CFB32)
+	union {
+#ifdef FBCON_HAS_CFB16
+		u_int16_t	cfb16[16];
+#endif
+#ifdef FBCON_HAS_CFB24
+		u_int32_t	cfb24[16];
+#endif
+#ifdef FBCON_HAS_CFB32
+		u_int32_t	cfb32[16];
+#endif
+	} cmap;
+#endif
+};
+
+#ifdef CONFIG_FB_MATROX_MULTIHEAD
+#define ACCESS_FBINFO2(info, x) (info->x)
+#define ACCESS_FBINFO(x) ACCESS_FBINFO2(minfo,x)
+
+#define MINFO minfo
+
+#define WPMINFO2 struct matrox_fb_info* minfo
+#define WPMINFO  WPMINFO2 ,
+#define CPMINFO2 const struct matrox_fb_info* minfo
+#define CPMINFO	 CPMINFO2 ,
+#define PMINFO2  minfo
+#define PMINFO   PMINFO2 ,
+
+static inline struct matrox_fb_info* mxinfo(const struct display* p) {
+	return (struct matrox_fb_info*)p->fb_info;
+}
+
+#define PMXINFO(p)	   mxinfo(p),
+#define MINFO_FROM(x)	   struct matrox_fb_info* minfo = x
+#define MINFO_FROM_DISP(x) MINFO_FROM(mxinfo(x))
+
+#else
+
+extern struct matrox_fb_info matroxfb_global_mxinfo;
+struct display global_disp;
+
+#define ACCESS_FBINFO(x) (matroxfb_global_mxinfo.x)
+#define ACCESS_FBINFO2(info, x) (matroxfb_global_mxinfo.x)
+
+#define MINFO (&matroxfb_global_mxinfo)
+
+#define WPMINFO2 void
+#define WPMINFO
+#define CPMINFO2 void
+#define CPMINFO
+#define PMINFO2
+#define PMINFO
+
+#if 0
+static inline struct matrox_fb_info* mxinfo(const struct display* p) {
+	return &matroxfb_global_mxinfo;
+}
+#endif
+
+#define PMXINFO(p)
+#define MINFO_FROM(x)
+#define MINFO_FROM_DISP(x)
+
+#endif
+
+struct matrox_switch {
+	int	(*preinit)(WPMINFO struct matrox_hw_state*);
+	void	(*reset)(WPMINFO struct matrox_hw_state*);
+	int	(*init)(CPMINFO struct matrox_hw_state*, struct my_timming*, struct display*);
+	void	(*restore)(WPMINFO struct matrox_hw_state*, struct matrox_hw_state*, struct display*);
+	int	(*selhwcursor)(WPMINFO struct display*);
+};
+
+struct matroxfb_driver {
+	struct list_head	node;
+	char*			name;
+	void*			(*probe)(struct matrox_fb_info* info);
+	void			(*remove)(struct matrox_fb_info* info, void* data);
+};
+
+int matroxfb_register_driver(struct matroxfb_driver* drv);
+void matroxfb_unregister_driver(struct matroxfb_driver* drv);
+
+#define PCI_OPTION_REG	0x40
+#define PCI_MGA_INDEX	0x44
+#define PCI_MGA_DATA	0x48
+
+#define M_DWGCTL	0x1C00
+#define M_MACCESS	0x1C04
+#define M_CTLWTST	0x1C08
+
+#define M_PLNWT		0x1C1C
+
+#define M_BCOL		0x1C20
+#define M_FCOL		0x1C24
+
+#define M_SGN		0x1C58
+#define M_LEN		0x1C5C
+#define M_AR0		0x1C60
+#define M_AR1		0x1C64
+#define M_AR2		0x1C68
+#define M_AR3		0x1C6C
+#define M_AR4		0x1C70
+#define M_AR5		0x1C74
+#define M_AR6		0x1C78
+
+#define M_CXBNDRY	0x1C80
+#define M_FXBNDRY	0x1C84
+#define M_YDSTLEN	0x1C88
+#define M_PITCH		0x1C8C
+#define M_YDST		0x1C90
+#define M_YDSTORG	0x1C94
+#define M_YTOP		0x1C98
+#define M_YBOT		0x1C9C
+
+/* mystique only */
+#define M_CACHEFLUSH	0x1FFF
+
+#define M_EXEC		0x0100
+
+#define M_DWG_TRAP	0x04
+#define M_DWG_BITBLT	0x08
+#define M_DWG_ILOAD	0x09
+
+#define M_DWG_LINEAR	0x0080
+#define M_DWG_SOLID	0x0800
+#define M_DWG_ARZERO	0x1000
+#define M_DWG_SGNZERO	0x2000
+#define M_DWG_SHIFTZERO	0x4000
+
+#define M_DWG_REPLACE	0x000C0000
+#define M_DWG_REPLACE2	(M_DWG_REPLACE | 0x40)
+#define M_DWG_XOR	0x00060010
+
+#define M_DWG_BFCOL	0x04000000
+#define M_DWG_BMONOWF	0x08000000
+
+#define M_DWG_TRANSC	0x40000000
+
+#define M_FIFOSTATUS	0x1E10
+#define M_STATUS	0x1E14
+
+#define M_IEN		0x1E1C
+
+#define M_VCOUNT	0x1E20
+
+#define M_RESET		0x1E40
+
+#define M_AGP2PLL	0x1E4C
+
+#define M_OPMODE	0x1E54
+#define     M_OPMODE_DMA_GEN_WRITE	0x00
+#define     M_OPMODE_DMA_BLIT		0x04
+#define     M_OPMODE_DMA_VECTOR_WRITE	0x08
+#define     M_OPMODE_DMA_LE		0x0000		/* little endian - no transformation */
+#define     M_OPMODE_DMA_BE_8BPP	0x0000
+#define     M_OPMODE_DMA_BE_16BPP	0x0100
+#define     M_OPMODE_DMA_BE_32BPP	0x0200
+#define     M_OPMODE_DIR_LE		0x000000	/* little endian - no transformation */
+#define     M_OPMODE_DIR_BE_8BPP	0x000000
+#define     M_OPMODE_DIR_BE_16BPP	0x010000
+#define     M_OPMODE_DIR_BE_32BPP	0x020000
+
+#define M_ATTR_INDEX	0x1FC0
+#define M_ATTR_DATA	0x1FC1
+
+#define M_MISC_REG	0x1FC2
+#define M_3C2_RD	0x1FC2
+
+#define M_SEQ_INDEX	0x1FC4
+#define M_SEQ_DATA	0x1FC5
+
+#define M_MISC_REG_READ	0x1FCC
+
+#define M_GRAPHICS_INDEX 0x1FCE
+#define M_GRAPHICS_DATA	0x1FCF
+
+#define M_CRTC_INDEX	0x1FD4
+
+#define M_ATTR_RESET	0x1FDA
+#define M_3DA_WR	0x1FDA
+#define M_INSTS1	0x1FDA
+
+#define M_EXTVGA_INDEX	0x1FDE
+#define M_EXTVGA_DATA	0x1FDF
+
+/* G200 only */
+#define M_SRCORG	0x2CB4
+
+#define M_RAMDAC_BASE	0x3C00
+
+/* fortunately, same on TVP3026 and MGA1064 */
+#define M_DAC_REG	(M_RAMDAC_BASE+0)
+#define M_DAC_VAL	(M_RAMDAC_BASE+1)
+#define M_PALETTE_MASK	(M_RAMDAC_BASE+2)
+
+#define M_X_INDEX	0x00
+#define M_X_DATAREG	0x0A
+
+#define DAC_XGENIOCTRL		0x2A
+#define DAC_XGENIODATA		0x2B
+
+#ifdef __LITTLE_ENDIAN
+#define MX_OPTION_BSWAP		0x00000000
+
+#define M_OPMODE_4BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
+#define M_OPMODE_8BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
+#define M_OPMODE_16BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
+#define M_OPMODE_24BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
+#define M_OPMODE_32BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
+#else
+#ifdef __BIG_ENDIAN
+#define MX_OPTION_BSWAP		0x80000000
+
+#define M_OPMODE_4BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)	/* TODO */
+#define M_OPMODE_8BPP	(M_OPMODE_DMA_BE_8BPP  | M_OPMODE_DIR_BE_8BPP  | M_OPMODE_DMA_BLIT)
+#define M_OPMODE_16BPP	(M_OPMODE_DMA_BE_16BPP | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT)
+#define M_OPMODE_24BPP	(M_OPMODE_DMA_BE_8BPP | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT)	/* TODO, ?32 */
+#define M_OPMODE_32BPP	(M_OPMODE_DMA_BE_32BPP | M_OPMODE_DIR_BE_32BPP | M_OPMODE_DMA_BLIT)
+#else
+#error "Byte ordering have to be defined. Cannot continue."
+#endif
+#endif
+
+#define mga_inb(addr)	mga_readb(ACCESS_FBINFO(mmio.vbase), (addr))
+#define mga_inl(addr)	mga_readl(ACCESS_FBINFO(mmio.vbase), (addr))
+#define mga_outb(addr,val) mga_writeb(ACCESS_FBINFO(mmio.vbase), (addr), (val))
+#define mga_outw(addr,val) mga_writew(ACCESS_FBINFO(mmio.vbase), (addr), (val))
+#define mga_outl(addr,val) mga_writel(ACCESS_FBINFO(mmio.vbase), (addr), (val))
+#define mga_readr(port,idx) (mga_outb((port),(idx)), mga_inb((port)+1))
+#ifdef __LITTLE_ENDIAN
+#define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) | (port))
+#else
+#define mga_setr(addr,port,val) do { mga_outb(addr, port); mga_outb((addr)+1, val); } while (0)
+#endif
+
+#ifdef __LITTLE_ENDIAN
+#define mga_fifo(n)	do {} while (mga_inb(M_FIFOSTATUS) < (n))
+#else
+#define mga_fifo(n)	do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
+#endif
+
+#define WaitTillIdle()	do {} while (mga_inl(M_STATUS) & 0x10000)
+
+/* code speedup */
+#ifdef CONFIG_FB_MATROX_MILLENIUM
+#define isInterleave(x)	 (x->interleave)
+#define isMillenium(x)	 (x->millenium)
+#define isMilleniumII(x) (x->milleniumII)
+#else
+#define isInterleave(x)  (0)
+#define isMillenium(x)	 (0)
+#define isMilleniumII(x) (0)
+#endif
+
+#define matroxfb_DAC_lock()                   spin_lock(&ACCESS_FBINFO(lock.DAC))
+#define matroxfb_DAC_unlock()                 spin_unlock(&ACCESS_FBINFO(lock.DAC))
+#define matroxfb_DAC_lock_irqsave(flags)      spin_lock_irqsave(&ACCESS_FBINFO(lock.DAC),flags)
+#define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&ACCESS_FBINFO(lock.DAC),flags)
+extern void matroxfb_DAC_out(CPMINFO int reg, int val);
+extern int matroxfb_DAC_in(CPMINFO int reg);
+extern struct list_head matroxfb_list;
+extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt);
+
+#ifdef MATROXFB_USE_SPINLOCKS
+#define CRITBEGIN  spin_lock_irqsave(&ACCESS_FBINFO(lock.accel), critflags);
+#define CRITEND	   spin_unlock_irqrestore(&ACCESS_FBINFO(lock.accel), critflags);
+#define CRITFLAGS  unsigned long critflags;
+#else
+#define CRITBEGIN
+#define CRITEND
+#define CRITFLAGS
+#endif
+
+#endif	/* __MATROXFB_H__ */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)