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/*
*
* Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
*
* (c) 1998,1999,2000,2001 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/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 <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_COMPAT_XPMAC)
#include <asm/vc_ioctl.h>
#endif
#if defined(CONFIG_PPC)
#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 */
#if !defined(__i386__) && !defined(__x86_64__)
#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__) || defined(__x86_64__)
#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_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[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;
/* 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;
int srcorg;
} 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 */
int memtype;
int g450dac;
int g550dac;
int dfp_type;
} 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_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;
#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_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_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
#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
#define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
#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__ */
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