1  /* SPDX-License-Identifier: GPL-2.0 */
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: */
16  /* -- logs putc[s], so every time a char is displayed, it's logged */
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  
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>
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>
48  
49  #if defined(CONFIG_PPC_PMAC)
50  #include <asm/prom.h>
51  #include "../macmodes.h"
52  #endif
53  
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...)	no_printk(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  
mga_readb(vaddr_t va,unsigned int offs)128  static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
129  	return readb(va.vaddr + offs);
130  }
131  
mga_writeb(vaddr_t va,unsigned int offs,u_int8_t value)132  static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) {
133  	writeb(value, va.vaddr + offs);
134  }
135  
mga_writew(vaddr_t va,unsigned int offs,u_int16_t value)136  static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) {
137  	writew(value, va.vaddr + offs);
138  }
139  
mga_readl(vaddr_t va,unsigned int offs)140  static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
141  	return readl(va.vaddr + offs);
142  }
143  
mga_writel(vaddr_t va,unsigned int offs,u_int32_t value)144  static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
145  	writel(value, va.vaddr + offs);
146  }
147  
mga_memcpy_toio(vaddr_t va,const void * src,int len)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  	/*
151  	 * iowrite32_rep works for us if:
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  	 */
157  	iowrite32_rep(va.vaddr, src, len >> 2);
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  
vaddr_add(vaddr_t * va,unsigned long offs)179  static inline void vaddr_add(vaddr_t* va, unsigned long offs) {
180  	va->vaddr += offs;
181  }
182  
vaddr_va(vaddr_t va)183  static inline void __iomem* vaddr_va(vaddr_t va) {
184  	return va.vaddr;
185  }
186  
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  
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;
290  	u_int32_t	m_access;
291  	u_int32_t	m_pitch;
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  
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;
406  	unsigned int	max_pixel_clock_panellink;
407  
408  	struct matrox_switch*	hw_switch;
409  
410  	struct {
411  		struct matrox_pll_features pll;
412  		struct matrox_DAC1064_features DAC1064;
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;
432  	int			wc_cookie;
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;
441  		int		support32MB;
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;
494  	u_int32_t cmap[16];
495  };
496  
497  #define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)
498  
499  struct matrox_switch {
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);
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
610  #define     M_SEQ1		0x01
611  #define        M_SEQ1_SCROFF		0x20
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  
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))
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  
676  #define WaitTillIdle()	do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)
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  
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)
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);
696  extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt);
697  extern int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc);
698  extern int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable);
699  
700  #ifdef MATROXFB_USE_SPINLOCKS
701  #define CRITBEGIN  spin_lock_irqsave(&minfo->lock.accel, critflags);
702  #define CRITEND	   spin_unlock_irqrestore(&minfo->lock.accel, critflags);
703  #define CRITFLAGS  unsigned long critflags;
704  #else
705  #define CRITBEGIN
706  #define CRITEND
707  #define CRITFLAGS
708  #endif
709  
710  #endif	/* __MATROXFB_H__ */
711