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