[linux-block.git] / drivers / video / fbdev / matrox / matroxfb_base.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *
 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
 *
 * (c) 1998-2002 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 every time 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/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/slab.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 <linux/kd.h>

#include <asm/io.h>
#include <asm/unaligned.h>

#if defined(CONFIG_PPC_PMAC)
#include <asm/prom.h>
#include "../macmodes.h"
#endif

#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 */

#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_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)

/* G-series and Mystique have (almost) same DAC */
#undef NEED_DAC1064
#if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G)
#define NEED_DAC1064 1
#endif

typedef struct {
	void __iomem*	vaddr;
} vaddr_t;

static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
	return readb(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 u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
	return readl(va.vaddr + offs);
}

static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
	writel(value, va.vaddr + offs);
}

static inline void mga_memcpy_toio(vaddr_t va, const void* src, int len) {
#if defined(__alpha__) || defined(__i386__) || defined(__x86_64__)
	/*
	 * iowrite32_rep works for us if:
	 *  (1) Copies data as 32bit quantities, not byte after byte,
	 *  (2) Performs LE ordered stores, and
	 *  (3) It copes with unaligned source (destination is guaranteed to be page
	 *      aligned and length is guaranteed to be multiple of 4).
	 */
	iowrite32_rep(va.vaddr, src, len >> 2);
#else
        u_int32_t __iomem* addr = va.vaddr;

	if ((unsigned long)src & 3) {
		while (len >= 4) {
			fb_writel(get_unaligned((u32 *)src), addr);
			addr++;
			len -= 4;
			src += 4;
		}
	} else {
		while (len >= 4) {
			fb_writel(*(u32 *)src, addr);
			addr++;
			len -= 4;
			src += 4;
		}
	}
#endif
}

static inline void vaddr_add(vaddr_t* va, unsigned long offs) {
	va->vaddr += offs;
}

static inline void __iomem* vaddr_va(vaddr_t va) {
	return va.vaddr;
}

struct my_timming {
	unsigned int pixclock;
	int mnp;
	unsigned int crtc;
	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 */
};

enum { M_SYSTEM_PLL, M_PIXEL_PLL_A, M_PIXEL_PLL_B, M_PIXEL_PLL_C, M_VIDEO_PLL };

struct matrox_pll_cache {
	unsigned int	valid;
	struct {
		unsigned int	mnp_key;
		unsigned int	mnp_value;
		      } data[4];
};

struct matrox_pll_limits {
	unsigned int	vcomin;
	unsigned int	vcomax;
};

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;
};

struct matrox_fb_info;

struct matrox_DAC1064_features {
	u_int8_t	xvrefctrl;
	u_int8_t	xmiscctrl;
};

/* 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_crtc2 {
	u_int32_t ctl;
};

struct matrox_hw_state {
	u_int32_t	MXoptionReg;
	unsigned char	DACclk[6];
	unsigned char	DACreg[80];
	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;

	struct matrox_crtc2	crtc2;
};

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;
	u_int32_t	m_access;
	u_int32_t	m_pitch;
};

struct v4l2_queryctrl;
struct v4l2_control;

struct matrox_altout {
	const char	*name;
	int		(*compute)(void* altout_dev, struct my_timming* input);
	int		(*program)(void* altout_dev);
	int		(*start)(void* altout_dev);
	int		(*verifymode)(void* altout_dev, u_int32_t mode);
	int		(*getqueryctrl)(void* altout_dev,
					struct v4l2_queryctrl* ctrl);
	int		(*getctrl)(void* altout_dev, 
				   struct v4l2_control* ctrl);
	int		(*setctrl)(void* altout_dev, 
				   struct v4l2_control* ctrl);
};

#define MATROXFB_SRC_NONE	0
#define MATROXFB_SRC_CRTC1	1
#define MATROXFB_SRC_CRTC2	2

enum mga_chip { MGA_2064, MGA_2164, MGA_1064, MGA_1164, MGA_G100, MGA_G200, MGA_G400, MGA_G450, MGA_G550 };

struct matrox_bios {
	unsigned int	bios_valid : 1;
	unsigned int	pins_len;
	unsigned char	pins[128];
	struct {
		unsigned char vMaj, vMin, vRev;
		      } version;
	struct {
		unsigned char state, tvout;
		      } output;
};

struct matrox_switch;
struct matroxfb_driver;
struct matroxfb_dh_fb_info;

struct matrox_vsync {
	wait_queue_head_t	wait;
	unsigned int		cnt;
};

struct matrox_fb_info {
	struct fb_info		fbcon;

	struct list_head	next_fb;

	int			dead;
	int                     initialized;
	unsigned int		usecount;

	unsigned int		userusecount;
	unsigned long		irq_flags;

	struct matroxfb_par	curr;
	struct matrox_hw_state	hw;

	struct matrox_accel_data accel;

	struct pci_dev*		pcidev;

	struct {
		struct matrox_vsync	vsync;
		unsigned int	pixclock;
		int		mnp;
		int		panpos;
			      } crtc1;
	struct {
		struct matrox_vsync	vsync;
		unsigned int 	pixclock;
		int		mnp;
	struct matroxfb_dh_fb_info*	info;
	struct rw_semaphore	lock;
			      } crtc2;
	struct {
	struct rw_semaphore	lock;
	struct {
		int brightness, contrast, saturation, hue, gamma;
		int testout, deflicker;
				} tvo_params;
			      } altout;
#define MATROXFB_MAX_OUTPUTS		3
	struct {
	unsigned int		src;
	struct matrox_altout*	output;
	void*			data;
	unsigned int		mode;
	unsigned int		default_src;
			      } outputs[MATROXFB_MAX_OUTPUTS];

#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;
	unsigned int	max_pixel_clock_panellink;

	struct matrox_switch*	hw_switch;

	struct {
		struct matrox_pll_features pll;
		struct matrox_DAC1064_features DAC1064;
			      } features;
	struct {
		spinlock_t	DAC;
		spinlock_t	accel;
			      } lock;

	enum mga_chip		chip;

	int			interleave;
	int			millenium;
	int			milleniumII;
	struct {
		int		cfb4;
		const int*	vxres;
		int		cross4MB;
		int		text;
		int		plnwt;
		int		srcorg;
			      } capable;
	int			wc_cookie;
	struct {
		int		precise_width;
		int		mga_24bpp_fix;
		int		novga;
		int		nobios;
		int		nopciretry;
		int		noinit;
		int		sgram;
		int		support32MB;

		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 */
		int		memtype;
		int		g450dac;
		int		dfp_type;
		int		panellink;	/* G400 DFP possible (not G450/G550) */
		int		dualhead;
		unsigned int	fbResource;
			      } devflags;
	struct fb_ops		fbops;
	struct matrox_bios	bios;
	struct {
		struct matrox_pll_limits	pixel;
		struct matrox_pll_limits	system;
		struct matrox_pll_limits	video;
			      } limits;
	struct {
		struct matrox_pll_cache	pixel;
		struct matrox_pll_cache	system;
		struct matrox_pll_cache	video;
				      } cache;
	struct {
		struct {
			unsigned int	video;
			unsigned int	system;
				      } pll;
		struct {
			u_int32_t	opt;
			u_int32_t	opt2;
			u_int32_t	opt3;
			u_int32_t	mctlwtst;
			u_int32_t	mctlwtst_core;
			u_int32_t	memmisc;
			u_int32_t	memrdbk;
			u_int32_t	maccess;
				      } reg;
		struct {
			unsigned int	ddr:1,
			                emrswen:1,
					dll:1;
				      } memory;
			      } values;
	u_int32_t cmap[16];
};

#define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)

struct matrox_switch {
	int	(*preinit)(struct matrox_fb_info *minfo);
	void	(*reset)(struct matrox_fb_info *minfo);
	int	(*init)(struct matrox_fb_info *minfo, struct my_timming*);
	void	(*restore)(struct matrox_fb_info *minfo);
};

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_OPTION_ENABLE_ROM		0x40000000

#define PCI_MGA_INDEX	0x44
#define PCI_MGA_DATA	0x48
#define PCI_OPTION2_REG	0x50
#define PCI_OPTION3_REG	0x54
#define PCI_MEMMISC_REG	0x58

#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_ICLEAR	0x1E18
#define M_IEN		0x1E1C

#define M_VCOUNT	0x1E20

#define M_RESET		0x1E40
#define M_MEMRDBK	0x1E44

#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_SEQ1		0x01
#define        M_SEQ1_SCROFF		0x20

#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_DSTORG	0x2CB8

#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

#define M_C2CTL		0x3C10

#define MX_OPTION_BSWAP         0x00000000

#ifdef __LITTLE_ENDIAN
#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 M_OPMODE_4BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_LE       | M_OPMODE_DMA_BLIT)	/* TODO */
#define M_OPMODE_8BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP  | M_OPMODE_DMA_BLIT)
#define M_OPMODE_16BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT)
#define M_OPMODE_24BPP	(M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP  | M_OPMODE_DMA_BLIT)	/* TODO, ?32 */
#define M_OPMODE_32BPP	(M_OPMODE_DMA_LE | 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(minfo->mmio.vbase, (addr))
#define mga_inl(addr)		mga_readl(minfo->mmio.vbase, (addr))
#define mga_outb(addr,val)	mga_writeb(minfo->mmio.vbase, (addr), (val))
#define mga_outw(addr,val)	mga_writew(minfo->mmio.vbase, (addr), (val))
#define mga_outl(addr,val)	mga_writel(minfo->mmio.vbase, (addr), (val))
#define mga_readr(port,idx)	(mga_outb((port),(idx)), mga_inb((port)+1))
#define mga_setr(addr,port,val)	mga_outw(addr, ((val)<<8) | (port))

#define mga_fifo(n)	do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))

#define WaitTillIdle()	do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)

/* 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(&minfo->lock.DAC)
#define matroxfb_DAC_unlock()                 spin_unlock(&minfo->lock.DAC)
#define matroxfb_DAC_lock_irqsave(flags)      spin_lock_irqsave(&minfo->lock.DAC, flags)
#define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags)
extern void matroxfb_DAC_out(const struct matrox_fb_info *minfo, int reg,
			     int val);
extern int matroxfb_DAC_in(const struct matrox_fb_info *minfo, int reg);
extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt);
extern int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc);
extern int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable);

#ifdef MATROXFB_USE_SPINLOCKS
#define CRITBEGIN  spin_lock_irqsave(&minfo->lock.accel, critflags);
#define CRITEND	   spin_unlock_irqrestore(&minfo->lock.accel, critflags);
#define CRITFLAGS  unsigned long critflags;
#else
#define CRITBEGIN
#define CRITEND
#define CRITFLAGS
#endif

#endif	/* __MATROXFB_H__ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	/*
	3	*
	4	* Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
	5	*
	6	* (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
	7	*
	8	*/
	9	#ifndef __MATROXFB_H__
	10	#define __MATROXFB_H__
	11
	12	/* general, but fairly heavy, debugging */
	13	#undef MATROXFB_DEBUG
	14
	15	/* heavy debugging: */
25985edc	16	/* -- logs putc[s], so every time a char is displayed, it's logged */
1da177e4 LT	17	#undef MATROXFB_DEBUG_HEAVY
	18
	19	/* This one _could_ cause infinite loops */
	20	/* It _does_ cause lots and lots of messages during idle loops */
	21	#undef MATROXFB_DEBUG_LOOP
	22
	23	/* Debug register calls, too? */
	24	#undef MATROXFB_DEBUG_REG
	25
	26	/* Guard accelerator accesses with spin_lock_irqsave... */
	27	#undef MATROXFB_USE_SPINLOCKS
	28
1da177e4 LT	29	#include <linux/module.h>
	30	#include <linux/kernel.h>
	31	#include <linux/errno.h>
	32	#include <linux/string.h>
	33	#include <linux/mm.h>
1da177e4 LT	34	#include <linux/slab.h>
	35	#include <linux/delay.h>
	36	#include <linux/fb.h>
	37	#include <linux/console.h>
	38	#include <linux/selection.h>
	39	#include <linux/ioport.h>
	40	#include <linux/init.h>
	41	#include <linux/timer.h>
	42	#include <linux/pci.h>
	43	#include <linux/spinlock.h>
	44	#include <linux/kd.h>
	45
	46	#include <asm/io.h>
	47	#include <asm/unaligned.h>
1da177e4	48
1da177e4 LT	49	#if defined(CONFIG_PPC_PMAC)
1da177e4 LT	50	#include <asm/prom.h>
1da177e4 LT	51	#include "../macmodes.h"
	52	#endif
	53
1da177e4 LT	54	#ifdef MATROXFB_DEBUG
	55
	56	#define DEBUG
	57	#define DBG(x) printk(KERN_DEBUG "matroxfb: %s\n", (x));
	58
	59	#ifdef MATROXFB_DEBUG_HEAVY
	60	#define DBG_HEAVY(x) DBG(x)
	61	#else /* MATROXFB_DEBUG_HEAVY */
	62	#define DBG_HEAVY(x) /* DBG_HEAVY */
	63	#endif /* MATROXFB_DEBUG_HEAVY */
	64
	65	#ifdef MATROXFB_DEBUG_LOOP
	66	#define DBG_LOOP(x) DBG(x)
	67	#else /* MATROXFB_DEBUG_LOOP */
	68	#define DBG_LOOP(x) /* DBG_LOOP */
	69	#endif /* MATROXFB_DEBUG_LOOP */
	70
	71	#ifdef MATROXFB_DEBUG_REG
	72	#define DBG_REG(x) DBG(x)
	73	#else /* MATROXFB_DEBUG_REG */
	74	#define DBG_REG(x) /* DBG_REG */
	75	#endif /* MATROXFB_DEBUG_REG */
	76
	77	#else /* MATROXFB_DEBUG */
	78
	79	#define DBG(x) /* DBG */
	80	#define DBG_HEAVY(x) /* DBG_HEAVY */
	81	#define DBG_REG(x) /* DBG_REG */
	82	#define DBG_LOOP(x) /* DBG_LOOP */
	83
	84	#endif /* MATROXFB_DEBUG */
	85
	86	#ifdef DEBUG
	87	#define dprintk(X...) printk(X)
	88	#else
	89	#define dprintk(X...)
	90	#endif
	91
	92	#ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
	93	#define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF 0x110A
	94	#endif
	95	#ifndef PCI_SS_VENDOR_ID_MATROX
	96	#define PCI_SS_VENDOR_ID_MATROX PCI_VENDOR_ID_MATROX
	97	#endif
	98
	99	#ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP
	100	#define PCI_SS_ID_MATROX_GENERIC 0xFF00
	101	#define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP 0xFF01
	102	#define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP 0xFF02
	103	#define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP 0xFF03
	104	#define PCI_SS_ID_MATROX_MARVEL_G200_AGP 0xFF04
	105	#define PCI_SS_ID_MATROX_MGA_G100_PCI 0xFF05
	106	#define PCI_SS_ID_MATROX_MGA_G100_AGP 0x1001
	107	#define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP 0x2179
	108	#define PCI_SS_ID_SIEMENS_MGA_G100_AGP 0x001E /* 30 */
	109	#define PCI_SS_ID_SIEMENS_MGA_G200_AGP 0x0032 /* 50 */
	110	#endif
	111
	112	#define MX_VISUAL_TRUECOLOR FB_VISUAL_DIRECTCOLOR
	113	#define MX_VISUAL_DIRECTCOLOR FB_VISUAL_TRUECOLOR
	114	#define MX_VISUAL_PSEUDOCOLOR FB_VISUAL_PSEUDOCOLOR
	115
	116	#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
	117
118	/* G-series and Mystique have (almost) same DAC */
119	#undef NEED_DAC1064
120	#if defined(CONFIG_FB_MATROX_MYSTIQUE) \|\| defined(CONFIG_FB_MATROX_G)
121	#define NEED_DAC1064 1
122	#endif
123
124	typedef struct {
125	void __iomem* vaddr;
126	} vaddr_t;
127
128	static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
129	return readb(va.vaddr + offs);
130	}
131
132	static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) {
133	writeb(value, va.vaddr + offs);
134	}
135
136	static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) {
137	writew(value, va.vaddr + offs);
138	}
139
140	static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
141	return readl(va.vaddr + offs);
142	}
143
144	static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
145	writel(value, va.vaddr + offs);
146	}
147
148	static inline void mga_memcpy_toio(vaddr_t va, const void* src, int len) {
149	#if defined(__alpha__) \|\| defined(__i386__) \|\| defined(__x86_64__)
150	/*
c81476df	151	* iowrite32_rep works for us if:
1da177e4 LT	152	* (1) Copies data as 32bit quantities, not byte after byte,
	153	* (2) Performs LE ordered stores, and
	154	* (3) It copes with unaligned source (destination is guaranteed to be page
	155	* aligned and length is guaranteed to be multiple of 4).
	156	*/
c81476df	157	iowrite32_rep(va.vaddr, src, len >> 2);
1da177e4 LT	158	#else
	159	u_int32_t __iomem* addr = va.vaddr;
	160
	161	if ((unsigned long)src & 3) {
	162	while (len >= 4) {
	163	fb_writel(get_unaligned((u32 *)src), addr);
	164	addr++;
	165	len -= 4;
	166	src += 4;
	167	}
	168	} else {
	169	while (len >= 4) {
	170	fb_writel((u32 )src, addr);
	171	addr++;
	172	len -= 4;
	173	src += 4;
	174	}
	175	}
	176	#endif
	177	}
	178
	179	static inline void vaddr_add(vaddr_t* va, unsigned long offs) {
	180	va->vaddr += offs;
	181	}
	182
	183	static inline void __iomem* vaddr_va(vaddr_t va) {
	184	return va.vaddr;
	185	}
	186
1da177e4 LT	187	struct my_timming {
	188	unsigned int pixclock;
	189	int mnp;
	190	unsigned int crtc;
	191	unsigned int HDisplay;
	192	unsigned int HSyncStart;
	193	unsigned int HSyncEnd;
	194	unsigned int HTotal;
	195	unsigned int VDisplay;
	196	unsigned int VSyncStart;
	197	unsigned int VSyncEnd;
	198	unsigned int VTotal;
	199	unsigned int sync;
	200	int dblscan;
	201	int interlaced;
	202	unsigned int delay; /* CRTC delay */
	203	};
	204
	205	enum { M_SYSTEM_PLL, M_PIXEL_PLL_A, M_PIXEL_PLL_B, M_PIXEL_PLL_C, M_VIDEO_PLL };
	206
	207	struct matrox_pll_cache {
	208	unsigned int valid;
	209	struct {
	210	unsigned int mnp_key;
	211	unsigned int mnp_value;
	212	} data[4];
	213	};
	214
	215	struct matrox_pll_limits {
	216	unsigned int vcomin;
	217	unsigned int vcomax;
	218	};
	219
	220	struct matrox_pll_features {
	221	unsigned int vco_freq_min;
	222	unsigned int ref_freq;
	223	unsigned int feed_div_min;
	224	unsigned int feed_div_max;
	225	unsigned int in_div_min;
	226	unsigned int in_div_max;
	227	unsigned int post_shift_max;
	228	};
	229
	230	struct matroxfb_par
	231	{
	232	unsigned int final_bppShift;
	233	unsigned int cmap_len;
	234	struct {
	235	unsigned int bytes;
	236	unsigned int pixels;
	237	unsigned int chunks;
	238	} ydstorg;
	239	};
	240
	241	struct matrox_fb_info;
	242
	243	struct matrox_DAC1064_features {
	244	u_int8_t xvrefctrl;
	245	u_int8_t xmiscctrl;
	246	};
	247
1da177e4 LT	248	/* current hardware status */
	249	struct mavenregs {
	250	u_int8_t regs[256];
	251	int mode;
	252	int vlines;
	253	int xtal;
	254	int fv;
	255
	256	u_int16_t htotal;
	257	u_int16_t hcorr;
	258	};
	259
	260	struct matrox_crtc2 {
	261	u_int32_t ctl;
	262	};
	263
	264	struct matrox_hw_state {
	265	u_int32_t MXoptionReg;
	266	unsigned char DACclk[6];
	267	unsigned char DACreg[80];
	268	unsigned char MiscOutReg;
	269	unsigned char DACpal[768];
	270	unsigned char CRTC[25];
	271	unsigned char CRTCEXT[9];
	272	unsigned char SEQ[5];
	273	/* unused for MGA mode, but who knows... */
	274	unsigned char GCTL[9];
	275	/* unused for MGA mode, but who knows... */
	276	unsigned char ATTR[21];
	277
	278	/* TVOut only */
	279	struct mavenregs maven;
	280
	281	struct matrox_crtc2 crtc2;
	282	};
	283
	284	struct matrox_accel_data {
	285	#ifdef CONFIG_FB_MATROX_MILLENIUM
	286	unsigned char ramdac_rev;
	287	#endif
	288	u_int32_t m_dwg_rect;
	289	u_int32_t m_opmode;
a772d473 MP	290	u_int32_t m_access;
a772d473 MP	291	u_int32_t m_pitch;
1da177e4 LT	292	};
	293
	294	struct v4l2_queryctrl;
	295	struct v4l2_control;
	296
	297	struct matrox_altout {
	298	const char *name;
	299	int (compute)(void altout_dev, struct my_timming* input);
	300	int (program)(void altout_dev);
	301	int (start)(void altout_dev);
	302	int (verifymode)(void altout_dev, u_int32_t mode);
	303	int (getqueryctrl)(void altout_dev,
	304	struct v4l2_queryctrl* ctrl);
	305	int (getctrl)(void altout_dev,
	306	struct v4l2_control* ctrl);
	307	int (setctrl)(void altout_dev,
	308	struct v4l2_control* ctrl);
	309	};
	310
	311	#define MATROXFB_SRC_NONE 0
	312	#define MATROXFB_SRC_CRTC1 1
	313	#define MATROXFB_SRC_CRTC2 2
	314
	315	enum mga_chip { MGA_2064, MGA_2164, MGA_1064, MGA_1164, MGA_G100, MGA_G200, MGA_G400, MGA_G450, MGA_G550 };
	316
	317	struct matrox_bios {
	318	unsigned int bios_valid : 1;
	319	unsigned int pins_len;
	320	unsigned char pins[128];
	321	struct {
	322	unsigned char vMaj, vMin, vRev;
	323	} version;
	324	struct {
	325	unsigned char state, tvout;
	326	} output;
	327	};
	328
1da177e4 LT	329	struct matrox_switch;
	330	struct matroxfb_driver;
	331	struct matroxfb_dh_fb_info;
	332
	333	struct matrox_vsync {
	334	wait_queue_head_t wait;
	335	unsigned int cnt;
	336	};
	337
	338	struct matrox_fb_info {
	339	struct fb_info fbcon;
	340
	341	struct list_head next_fb;
	342
	343	int dead;
	344	int initialized;
	345	unsigned int usecount;
	346
	347	unsigned int userusecount;
	348	unsigned long irq_flags;
	349
	350	struct matroxfb_par curr;
	351	struct matrox_hw_state hw;
	352
	353	struct matrox_accel_data accel;
	354
	355	struct pci_dev* pcidev;
	356
	357	struct {
	358	struct matrox_vsync vsync;
	359	unsigned int pixclock;
	360	int mnp;
	361	int panpos;
	362	} crtc1;
	363	struct {
	364	struct matrox_vsync vsync;
	365	unsigned int pixclock;
	366	int mnp;
	367	struct matroxfb_dh_fb_info* info;
	368	struct rw_semaphore lock;
	369	} crtc2;
	370	struct {
	371	struct rw_semaphore lock;
	372	struct {
	373	int brightness, contrast, saturation, hue, gamma;
	374	int testout, deflicker;
	375	} tvo_params;
	376	} altout;
	377	#define MATROXFB_MAX_OUTPUTS 3
	378	struct {
	379	unsigned int src;
	380	struct matrox_altout* output;
	381	void* data;
	382	unsigned int mode;
	383	unsigned int default_src;
	384	} outputs[MATROXFB_MAX_OUTPUTS];
	385
	386	#define MATROXFB_MAX_FB_DRIVERS 5
	387	struct matroxfb_driver* (drivers[MATROXFB_MAX_FB_DRIVERS]);
	388	void* (drivers_data[MATROXFB_MAX_FB_DRIVERS]);
	389	unsigned int drivers_count;
	390
	391	struct {
	392	unsigned long base; /* physical */
393	vaddr_t vbase; /* CPU view */
394	unsigned int len;
395	unsigned int len_usable;
396	unsigned int len_maximum;
397	} video;
398
399	struct {
400	unsigned long base; /* physical */
401	vaddr_t vbase; /* CPU view */
402	unsigned int len;
403	} mmio;
404
405	unsigned int max_pixel_clock;
e798bd95	406	unsigned int max_pixel_clock_panellink;
1da177e4 LT	407
	408	struct matrox_switch* hw_switch;
	409
	410	struct {
	411	struct matrox_pll_features pll;
	412	struct matrox_DAC1064_features DAC1064;
1da177e4 LT	413	} features;
	414	struct {
	415	spinlock_t DAC;
	416	spinlock_t accel;
	417	} lock;
	418
	419	enum mga_chip chip;
	420
	421	int interleave;
	422	int millenium;
	423	int milleniumII;
	424	struct {
	425	int cfb4;
	426	const int* vxres;
	427	int cross4MB;
	428	int text;
	429	int plnwt;
	430	int srcorg;
	431	} capable;
888ca5d2	432	int wc_cookie;
1da177e4 LT	433	struct {
	434	int precise_width;
	435	int mga_24bpp_fix;
	436	int novga;
	437	int nobios;
	438	int nopciretry;
	439	int noinit;
	440	int sgram;
1da177e4	441	int support32MB;
1da177e4 LT	442
	443	int accelerator;
	444	int text_type_aux;
	445	int video64bits;
	446	int crtc2;
	447	int maven_capable;
	448	unsigned int vgastep;
	449	unsigned int textmode;
	450	unsigned int textstep;
	451	unsigned int textvram; /* character cells */
	452	unsigned int ydstorg; /* offset in bytes from video start to usable memory */
	453	/* 0 except for 6MB Millenium */
	454	int memtype;
	455	int g450dac;
	456	int dfp_type;
	457	int panellink; /* G400 DFP possible (not G450/G550) */
	458	int dualhead;
	459	unsigned int fbResource;
	460	} devflags;
	461	struct fb_ops fbops;
	462	struct matrox_bios bios;
	463	struct {
	464	struct matrox_pll_limits pixel;
	465	struct matrox_pll_limits system;
	466	struct matrox_pll_limits video;
	467	} limits;
	468	struct {
	469	struct matrox_pll_cache pixel;
	470	struct matrox_pll_cache system;
	471	struct matrox_pll_cache video;
	472	} cache;
	473	struct {
	474	struct {
	475	unsigned int video;
	476	unsigned int system;
	477	} pll;
	478	struct {
	479	u_int32_t opt;
	480	u_int32_t opt2;
	481	u_int32_t opt3;
	482	u_int32_t mctlwtst;
	483	u_int32_t mctlwtst_core;
	484	u_int32_t memmisc;
	485	u_int32_t memrdbk;
	486	u_int32_t maccess;
	487	} reg;
	488	struct {
	489	unsigned int ddr:1,
	490	emrswen:1,
	491	dll:1;
	492	} memory;
	493	} values;
08a498de	494	u_int32_t cmap[16];
1da177e4 LT	495	};
	496
	497	#define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)
	498
1da177e4	499	struct matrox_switch {
316b4d64 JD	500	int (preinit)(struct matrox_fb_info minfo);
	501	void (reset)(struct matrox_fb_info minfo);
	502	int (init)(struct matrox_fb_info minfo, struct my_timming*);
	503	void (restore)(struct matrox_fb_info minfo);
1da177e4 LT	504	};
	505
	506	struct matroxfb_driver {
	507	struct list_head node;
	508	char* name;
	509	void* (probe)(struct matrox_fb_info info);
	510	void (remove)(struct matrox_fb_info info, void* data);
	511	};
	512
	513	int matroxfb_register_driver(struct matroxfb_driver* drv);
	514	void matroxfb_unregister_driver(struct matroxfb_driver* drv);
	515
	516	#define PCI_OPTION_REG 0x40
	517	#define PCI_OPTION_ENABLE_ROM 0x40000000
	518
	519	#define PCI_MGA_INDEX 0x44
	520	#define PCI_MGA_DATA 0x48
	521	#define PCI_OPTION2_REG 0x50
	522	#define PCI_OPTION3_REG 0x54
	523	#define PCI_MEMMISC_REG 0x58
	524
	525	#define M_DWGCTL 0x1C00
	526	#define M_MACCESS 0x1C04
	527	#define M_CTLWTST 0x1C08
	528
	529	#define M_PLNWT 0x1C1C
	530
	531	#define M_BCOL 0x1C20
	532	#define M_FCOL 0x1C24
	533
	534	#define M_SGN 0x1C58
	535	#define M_LEN 0x1C5C
	536	#define M_AR0 0x1C60
	537	#define M_AR1 0x1C64
	538	#define M_AR2 0x1C68
	539	#define M_AR3 0x1C6C
	540	#define M_AR4 0x1C70
	541	#define M_AR5 0x1C74
	542	#define M_AR6 0x1C78
	543
	544	#define M_CXBNDRY 0x1C80
	545	#define M_FXBNDRY 0x1C84
	546	#define M_YDSTLEN 0x1C88
	547	#define M_PITCH 0x1C8C
	548	#define M_YDST 0x1C90
	549	#define M_YDSTORG 0x1C94
	550	#define M_YTOP 0x1C98
	551	#define M_YBOT 0x1C9C
	552
	553	/* mystique only */
	554	#define M_CACHEFLUSH 0x1FFF
	555
	556	#define M_EXEC 0x0100
	557
	558	#define M_DWG_TRAP 0x04
	559	#define M_DWG_BITBLT 0x08
	560	#define M_DWG_ILOAD 0x09
	561
	562	#define M_DWG_LINEAR 0x0080
	563	#define M_DWG_SOLID 0x0800
	564	#define M_DWG_ARZERO 0x1000
	565	#define M_DWG_SGNZERO 0x2000
	566	#define M_DWG_SHIFTZERO 0x4000
	567
568	#define M_DWG_REPLACE 0x000C0000
569	#define M_DWG_REPLACE2 (M_DWG_REPLACE \| 0x40)
570	#define M_DWG_XOR 0x00060010
571
572	#define M_DWG_BFCOL 0x04000000
573	#define M_DWG_BMONOWF 0x08000000
574
575	#define M_DWG_TRANSC 0x40000000
576
577	#define M_FIFOSTATUS 0x1E10
578	#define M_STATUS 0x1E14
579	#define M_ICLEAR 0x1E18
580	#define M_IEN 0x1E1C
581
582	#define M_VCOUNT 0x1E20
583
584	#define M_RESET 0x1E40
585	#define M_MEMRDBK 0x1E44
586
587	#define M_AGP2PLL 0x1E4C
588
589	#define M_OPMODE 0x1E54
590	#define M_OPMODE_DMA_GEN_WRITE 0x00
591	#define M_OPMODE_DMA_BLIT 0x04
592	#define M_OPMODE_DMA_VECTOR_WRITE 0x08
593	#define M_OPMODE_DMA_LE 0x0000 /* little endian - no transformation */
594	#define M_OPMODE_DMA_BE_8BPP 0x0000
595	#define M_OPMODE_DMA_BE_16BPP 0x0100
596	#define M_OPMODE_DMA_BE_32BPP 0x0200
597	#define M_OPMODE_DIR_LE 0x000000 /* little endian - no transformation */
598	#define M_OPMODE_DIR_BE_8BPP 0x000000
599	#define M_OPMODE_DIR_BE_16BPP 0x010000
600	#define M_OPMODE_DIR_BE_32BPP 0x020000
601
602	#define M_ATTR_INDEX 0x1FC0
603	#define M_ATTR_DATA 0x1FC1
604
605	#define M_MISC_REG 0x1FC2
606	#define M_3C2_RD 0x1FC2
607
608	#define M_SEQ_INDEX 0x1FC4
609	#define M_SEQ_DATA 0x1FC5
6d39bedc PC	610	#define M_SEQ1 0x01
6d39bedc PC	611	#define M_SEQ1_SCROFF 0x20
1da177e4 LT	612
	613	#define M_MISC_REG_READ 0x1FCC
	614
	615	#define M_GRAPHICS_INDEX 0x1FCE
	616	#define M_GRAPHICS_DATA 0x1FCF
	617
	618	#define M_CRTC_INDEX 0x1FD4
	619
	620	#define M_ATTR_RESET 0x1FDA
	621	#define M_3DA_WR 0x1FDA
	622	#define M_INSTS1 0x1FDA
	623
	624	#define M_EXTVGA_INDEX 0x1FDE
	625	#define M_EXTVGA_DATA 0x1FDF
	626
	627	/* G200 only */
	628	#define M_SRCORG 0x2CB4
	629	#define M_DSTORG 0x2CB8
	630
	631	#define M_RAMDAC_BASE 0x3C00
	632
	633	/* fortunately, same on TVP3026 and MGA1064 */
	634	#define M_DAC_REG (M_RAMDAC_BASE+0)
	635	#define M_DAC_VAL (M_RAMDAC_BASE+1)
	636	#define M_PALETTE_MASK (M_RAMDAC_BASE+2)
	637
	638	#define M_X_INDEX 0x00
	639	#define M_X_DATAREG 0x0A
	640
	641	#define DAC_XGENIOCTRL 0x2A
	642	#define DAC_XGENIODATA 0x2B
	643
	644	#define M_C2CTL 0x3C10
	645
	646	#define MX_OPTION_BSWAP 0x00000000
	647
	648	#ifdef __LITTLE_ENDIAN
	649	#define M_OPMODE_4BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_LE \| M_OPMODE_DMA_BLIT)
	650	#define M_OPMODE_8BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_LE \| M_OPMODE_DMA_BLIT)
	651	#define M_OPMODE_16BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_LE \| M_OPMODE_DMA_BLIT)
	652	#define M_OPMODE_24BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_LE \| M_OPMODE_DMA_BLIT)
	653	#define M_OPMODE_32BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_LE \| M_OPMODE_DMA_BLIT)
	654	#else
	655	#ifdef __BIG_ENDIAN
	656	#define M_OPMODE_4BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_LE \| M_OPMODE_DMA_BLIT) /* TODO */
	657	#define M_OPMODE_8BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_BE_8BPP \| M_OPMODE_DMA_BLIT)
	658	#define M_OPMODE_16BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_BE_16BPP \| M_OPMODE_DMA_BLIT)
	659	#define M_OPMODE_24BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_BE_8BPP \| M_OPMODE_DMA_BLIT) /* TODO, ?32 */
	660	#define M_OPMODE_32BPP (M_OPMODE_DMA_LE \| M_OPMODE_DIR_BE_32BPP \| M_OPMODE_DMA_BLIT)
	661	#else
	662	#error "Byte ordering have to be defined. Cannot continue."
	663	#endif
	664	#endif
	665
fc2d10dd JD	666	#define mga_inb(addr) mga_readb(minfo->mmio.vbase, (addr))
	667	#define mga_inl(addr) mga_readl(minfo->mmio.vbase, (addr))
	668	#define mga_outb(addr,val) mga_writeb(minfo->mmio.vbase, (addr), (val))
	669	#define mga_outw(addr,val) mga_writew(minfo->mmio.vbase, (addr), (val))
	670	#define mga_outl(addr,val) mga_writel(minfo->mmio.vbase, (addr), (val))
1da177e4 LT	671	#define mga_readr(port,idx) (mga_outb((port),(idx)), mga_inb((port)+1))
	672	#define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) \| (port))
	673
	674	#define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
	675
972754cf	676	#define WaitTillIdle() do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)
1da177e4 LT	677
	678	/* code speedup */
	679	#ifdef CONFIG_FB_MATROX_MILLENIUM
	680	#define isInterleave(x) (x->interleave)
	681	#define isMillenium(x) (x->millenium)
	682	#define isMilleniumII(x) (x->milleniumII)
	683	#else
	684	#define isInterleave(x) (0)
	685	#define isMillenium(x) (0)
	686	#define isMilleniumII(x) (0)
	687	#endif
	688
fc2d10dd JD	689	#define matroxfb_DAC_lock() spin_lock(&minfo->lock.DAC)
	690	#define matroxfb_DAC_unlock() spin_unlock(&minfo->lock.DAC)
	691	#define matroxfb_DAC_lock_irqsave(flags) spin_lock_irqsave(&minfo->lock.DAC, flags)
	692	#define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags)
316b4d64 JD	693	extern void matroxfb_DAC_out(const struct matrox_fb_info *minfo, int reg,
	694	int val);
	695	extern int matroxfb_DAC_in(const struct matrox_fb_info *minfo, int reg);
1da177e4	696	extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt);
316b4d64 JD	697	extern int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc);
316b4d64 JD	698	extern int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable);
1da177e4 LT	699
1da177e4 LT	700	#ifdef MATROXFB_USE_SPINLOCKS
fc2d10dd JD	701	#define CRITBEGIN spin_lock_irqsave(&minfo->lock.accel, critflags);
fc2d10dd JD	702	#define CRITEND spin_unlock_irqrestore(&minfo->lock.accel, critflags);
1da177e4 LT	703	#define CRITFLAGS unsigned long critflags;
	704	#else
	705	#define CRITBEGIN
	706	#define CRITEND
	707	#define CRITFLAGS
	708	#endif
	709
	710	#endif /* __MATROXFB_H__ */