71 #  define IS_OCS (0)
80 #  define IS_ECS (0)
89 #  define IS_AGA (0)
171    (0, 0) is somewhere in the upper-left corner :-)
203    (0, 0) is somewhere in the upper-left corner :-)
258 		< 192 -> sprite 0 dma
373 #define CUSTOM_OFS(fld) ((long)&((struct CUSTOM*)0)->fld)
376 	 * BPLCON0 -- Bitplane Control Register 0
379 #define BPC0_HIRES	(0x8000)
380 #define BPC0_BPU2	(0x4000) /* Bit plane used count */
381 #define BPC0_BPU1	(0x2000)
382 #define BPC0_BPU0	(0x1000)
383 #define BPC0_HAM	(0x0800) /* HAM mode */
384 #define BPC0_DPF	(0x0400) /* Double playfield */
385 #define BPC0_COLOR	(0x0200) /* Enable colorburst */
386 #define BPC0_GAUD	(0x0100) /* Genlock audio enable */
387 #define BPC0_UHRES	(0x0080) /* Ultrahi res enable */
388 #define BPC0_SHRES	(0x0040) /* Super hi res mode */
389 #define BPC0_BYPASS	(0x0020) /* Bypass LUT - AGA */
390 #define BPC0_BPU3	(0x0010) /* AGA */
391 #define BPC0_LPEN	(0x0008) /* Light pen enable */
392 #define BPC0_LACE	(0x0004) /* Interlace */
393 #define BPC0_ERSY	(0x0002) /* External resync */
394 #define BPC0_ECSENA	(0x0001) /* ECS enable */
400 #define BPC2_ZDBPSEL2	(0x4000) /* Bitplane to be used for ZD - AGA */
401 #define BPC2_ZDBPSEL1	(0x2000)
402 #define BPC2_ZDBPSEL0	(0x1000)
403 #define BPC2_ZDBPEN	(0x0800) /* Enable ZD with ZDBPSELx - AGA */
404 #define BPC2_ZDCTEN	(0x0400) /* Enable ZD with palette bit #31 - AGA */
405 #define BPC2_KILLEHB	(0x0200) /* Kill EHB mode - AGA */
406 #define BPC2_RDRAM	(0x0100) /* Color table accesses read, not write - AGA */
407 #define BPC2_SOGEN	(0x0080) /* SOG output pin high - AGA */
408 #define BPC2_PF2PRI	(0x0040) /* PF2 priority over PF1 */
409 #define BPC2_PF2P2	(0x0020) /* PF2 priority wrt sprites */
410 #define BPC2_PF2P1	(0x0010)
411 #define BPC2_PF2P0	(0x0008)
412 #define BPC2_PF1P2	(0x0004) /* ditto PF1 */
413 #define BPC2_PF1P1	(0x0002)
414 #define BPC2_PF1P0	(0x0001)
420 #define BPC3_BANK2	(0x8000) /* Bits to select color register bank */
421 #define BPC3_BANK1	(0x4000)
422 #define BPC3_BANK0	(0x2000)
423 #define BPC3_PF2OF2	(0x1000) /* Bits for color table offset when PF2 */
424 #define BPC3_PF2OF1	(0x0800)
425 #define BPC3_PF2OF0	(0x0400)
426 #define BPC3_LOCT	(0x0200) /* Color register writes go to low bits */
427 #define BPC3_SPRES1	(0x0080) /* Sprite resolution bits */
428 #define BPC3_SPRES0	(0x0040)
429 #define BPC3_BRDRBLNK	(0x0020) /* Border blanked? */
430 #define BPC3_BRDRTRAN	(0x0010) /* Border transparent? */
431 #define BPC3_ZDCLKEN	(0x0004) /* ZD pin is 14 MHz (HIRES) clock output */
432 #define BPC3_BRDRSPRT	(0x0002) /* Sprites in border? */
433 #define BPC3_EXTBLKEN	(0x0001) /* BLANK programmable */
439 #define BPC4_BPLAM7	(0x8000) /* bitplane color XOR field */
440 #define BPC4_BPLAM6	(0x4000)
441 #define BPC4_BPLAM5	(0x2000)
442 #define BPC4_BPLAM4	(0x1000)
443 #define BPC4_BPLAM3	(0x0800)
444 #define BPC4_BPLAM2	(0x0400)
445 #define BPC4_BPLAM1	(0x0200)
446 #define BPC4_BPLAM0	(0x0100)
447 #define BPC4_ESPRM7	(0x0080) /* 4 high bits for even sprite colors */
448 #define BPC4_ESPRM6	(0x0040)
449 #define BPC4_ESPRM5	(0x0020)
450 #define BPC4_ESPRM4	(0x0010)
451 #define BPC4_OSPRM7	(0x0008) /* 4 high bits for odd sprite colors */
452 #define BPC4_OSPRM6	(0x0004)
453 #define BPC4_OSPRM5	(0x0002)
454 #define BPC4_OSPRM4	(0x0001)
460 #define BMC0_HARDDIS	(0x4000) /* Disable hardware limits */
461 #define BMC0_LPENDIS	(0x2000) /* Disable light pen latch */
462 #define BMC0_VARVBEN	(0x1000) /* Enable variable vertical blank */
463 #define BMC0_LOLDIS	(0x0800) /* Disable long/short line toggle */
464 #define BMC0_CSCBEN	(0x0400) /* Composite sync/blank */
465 #define BMC0_VARVSYEN	(0x0200) /* Enable variable vertical sync */
466 #define BMC0_VARHSYEN	(0x0100) /* Enable variable horizontal sync */
467 #define BMC0_VARBEAMEN	(0x0080) /* Enable variable beam counters */
468 #define BMC0_DUAL	(0x0040) /* Enable alternate horizontal beam counter */
469 #define BMC0_PAL	(0x0020) /* Set decodes for PAL */
470 #define BMC0_VARCSYEN	(0x0010) /* Enable variable composite sync */
471 #define BMC0_BLANKEN	(0x0008) /* Blank enable (no longer used on AGA) */
472 #define BMC0_CSYTRUE	(0x0004) /* CSY polarity */
473 #define BMC0_VSYTRUE	(0x0002) /* VSY polarity */
474 #define BMC0_HSYTRUE	(0x0001) /* HSY polarity */
481 #define FMODE_SSCAN2	(0x8000) /* Sprite scan-doubling */
482 #define FMODE_BSCAN2	(0x4000) /* Use PF2 modulus every other line */
483 #define FMODE_SPAGEM	(0x0008) /* Sprite page mode */
484 #define FMODE_SPR32	(0x0004) /* Sprite 32 bit fetch */
485 #define FMODE_BPAGEM	(0x0002) /* Bitplane page mode */
486 #define FMODE_BPL32	(0x0001) /* Bitplane 32 bit fetch */
587 	"d" (x2), "d" ((long)((x1) / 0x100000000ULL)), "0" ((long)(x1))); res;})
594 #define highw(x)	((u_long)(x)>>16 & 0xffff)
595 #define loww(x)		((u_long)(x) & 0xffff)
645 #define CWAIT(x, y)		(((y) & 0x1fe) << 23 | ((x) & 0x7f0) << 13 | 0x0001fffe)
646 #define CEND			(0xfffffffe)
661 static u_short currentcop = 0;
669 #define FBIOGET_FCURSORINFO     0x4607
670 #define FBIOGET_VCURSORINFO     0x4608
671 #define FBIOPUT_VCURSORINFO     0x4609
672 #define FBIOGET_CURSORSTATE     0x460A
673 #define FBIOPUT_CURSORSTATE     0x460B
699 #define FB_CURSOR_OFF		0
785 	 *  Saved color entry 0 so we can restore it when unblanking
800 static u_short do_vmode_full = 0;	/* Change the Video Mode */
801 static u_short do_vmode_pan = 0;	/* Update the Video Mode */
802 static short do_blank = 0;		/* (Un)Blank the Screen (±1) */
803 static u_short do_cursor = 0;		/* Move the Cursor */
810 static u_short is_blanked = 0;		/* Screen is Blanked */
811 static u_short is_lace = 0;		/* Screen is laced */
845 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
850 		0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
854 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
859 		0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
863 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
868 		0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
872 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
877 		0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
881 		0, FB_VMODE_DOUBLE | FB_VMODE_YWRAP
885 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
890 		0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
894 		0, FB_VMODE_DOUBLE | FB_VMODE_YWRAP
898 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
903 		0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
913 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
921 #if 0
930 		"a2024-10", 10, 1024, 800, TAG_HIRES, 0, 0, 0, 0, 0, 0,
931 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
934 		"a2024-15", 15, 1024, 800, TAG_HIRES, 0, 0, 0, 0, 0, 0,
935 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
951 #define DEFMODE_NTSC	    0	/* "ntsc" for NTSC OCS/ECS */
957 static int amifb_ilbm = 0;	/* interleaved or normal bitplanes */
975 	 *	diwstrt_h    0   2047     1
976 	 *	diwstrt_v    0   2047     1
977 	 *	diwstop_h    0   4095     1
978 	 *	diwstop_v    0   4095     1
980 	 *	ddfstrt      0   2032    16
981 	 *	ddfstop      0   2032    16
984 	 *	hsstrt       0   2040     8
985 	 *	hsstop       0   2040     8
987 	 *	vsstrt       0   4095     1
988 	 *	vsstop       0   4095     1
989 	 *	hcenter      0   2040     8
991 	 *	hbstrt       0   2047     1
992 	 *	hbstop       0   2047     1
993 	 *	vbstrt       0   4095     1
994 	 *	vbstop       0   4095     1
1003 	(((hscroll) << 12 & 0x3000) | ((hscroll) << 8 & 0xc300) | \
1004 	 ((hscroll) << 4 & 0x0c00) | ((hscroll) << 2 & 0x00f0) | \
1005 	 ((hscroll)>>2 & 0x000f))
1010 	(((diwstrt_v) << 7 & 0xff00) | ((diwstrt_h)>>2 & 0x00ff))
1012 	(((diwstop_v) << 7 & 0xff00) | ((diwstop_h)>>2 & 0x00ff))
1014 	(((diwstop_h) << 3 & 0x2000) | ((diwstop_h) << 11 & 0x1800) | \
1015 	 ((diwstop_v)>>1 & 0x0700) | ((diwstrt_h)>>5 & 0x0020) | \
1016 	 ((diwstrt_h) << 3 & 0x0018) | ((diwstrt_v)>>9 & 0x0007))
1035 #define hbstrt2hw(hbstrt)	(((hbstrt) << 8 & 0x0700) | ((hbstrt)>>3 & 0x00ff))
1036 #define hbstop2hw(hbstop)	(((hbstop) << 8 & 0x0700) | ((hbstop)>>3 & 0x00ff))
1043 	(((red & 0xf0) << 4) | (green & 0xf0) | ((blue & 0xf0)>>4))
1045 	(((red & 0x0f) << 8) | ((green & 0x0f) << 4) | (blue & 0x0f))
1047 	(((red & 0xf0) << 4) | (green & 0xf0) | ((blue & 0xf0)>>4))
1049 	(((red & 0xc0) << 4) | (green & 0xc0) | ((blue & 0xc0)>>4))
1054 	(((start_v) << 7 & 0xff00) | ((start_h)>>3 & 0x00ff))
1056 	(((stop_v) << 7 & 0xff00) | ((start_v)>>4 & 0x0040) | \
1057 	 ((stop_v)>>5 & 0x0020) | ((start_h) << 3 & 0x0018) | \
1058 	 ((start_v)>>7 & 0x0004) | ((stop_v)>>8 & 0x0002) | \
1059 	 ((start_h)>>2 & 0x0001))
1062 #define get_vbpos()	((u_short)((*(u_long volatile *)&custom.vposr >> 7) & 0xffe))
1095 	0				/* 140 ns */
1109 	0,				/* 1x */
1115 	0,				/* 1x */
1197 		line_shift = 0;  in ami_decode_var()
1231 		par->bplcon3 = 0;  in ami_decode_var()
1260 			par->hsstrt = 0;  in ami_decode_var()
1261 			par->hsstop = 0;  in ami_decode_var()
1262 			par->vsstrt = 0;  in ami_decode_var()
1263 			par->vsstop = 0;  in ami_decode_var()
1312 				par->beamcon0 = 0;  in ami_decode_var()
1316 				par->beamcon0 = 0;  in ami_decode_var()
1494 				par->xoffset = par->yoffset = 0;  in ami_decode_var()
1498 				par->xoffset = par->yoffset = 0;  in ami_decode_var()
1501 		par->xoffset = par->yoffset = 0;  in ami_decode_var()
1503 	par->crsr.crsr_x = par->crsr.crsr_y = 0;  in ami_decode_var()
1504 	par->crsr.spot_x = par->crsr.spot_y = 0;  in ami_decode_var()
1505 	par->crsr.height = par->crsr.width = 0;  in ami_decode_var()
1507 	return 0;  in ami_decode_var()
1520 	memset(var, 0, sizeof(struct fb_var_screeninfo));  in ami_encode_var()
1533 	var->grayscale = 0;  in ami_encode_var()
1535 	var->red.offset = 0;  in ami_encode_var()
1536 	var->red.msb_right = 0;  in ami_encode_var()
1541 	var->transp.offset = 0;  in ami_encode_var()
1542 	var->transp.length = 0;  in ami_encode_var()
1543 	var->transp.msb_right = 0;  in ami_encode_var()
1548 		var->nonstd = 0;  in ami_encode_var()
1549 	var->activate = 0;  in ami_encode_var()
1570 		var->sync = 0;  in ami_encode_var()
1680 	do_vmode_pan = 0;  in ami_pan_var()
1704 	custom.bplcon2 = (IS_OCS ? 0 : BPC2_KILLEHB) | BPC2_PF2P2 | BPC2_PF1P2;  in ami_init_display()
1734 	is_lace = par->bplcon0 & BPC0_LACE ? 1 : 0;  in ami_init_display()
1739 		custom.vposw = custom.vposr | 0x8000;  in ami_init_display()
1744 	custom.vposw = custom.vposr | 0x8000;  in ami_init_display()
1760 	if (do_blank > 0) {  in ami_do_blank()
1762 		red = green = blue = 0;  in ami_do_blank()
1807 		custom.color[0] = rgb2hw8_high(red, green, blue);  in ami_do_blank()
1809 		custom.color[0] = rgb2hw8_low(red, green, blue);  in ami_do_blank()
1818 		mask = 0x3333;  in ami_do_blank()
1820 		for (i = 12; i >= 0; i -= 4)  in ami_do_blank()
1823 		for (i = 3; i >= 0; i--)  in ami_do_blank()
1827 		custom.color[0] = rgb2hw4(red, green, blue);  in ami_do_blank()
1828 	is_blanked = do_blank > 0 ? do_blank : 0;  in ami_do_blank()
1838 	return 0;  in ami_get_fix_cursorinfo()
1870 	for (height = (short)var->height - 1; height >= 0; height--) {  in ami_get_var_cursorinfo()
1871 		bits = 0; words = delta; datawords = 0;  in ami_get_var_cursorinfo()
1872 		for (width = (short)var->width - 1; width >= 0; width--) {  in ami_get_var_cursorinfo()
1873 			if (bits == 0) {  in ami_get_var_cursorinfo()
1876 				asm volatile ("movew %1@(%3:w:2),%0 ; swap %0 ; movew %1@+,%0"  in ami_get_var_cursorinfo()
1885 				"clrb %0 ; swap %1 ; lslw #1,%1 ; roxlb #1,%0 ; "  in ami_get_var_cursorinfo()
1886 				"swap %1 ; lslw #1,%1 ; roxlb #1,%0"  in ami_get_var_cursorinfo()
1896 		if (bits > 0) {  in ami_get_var_cursorinfo()
1899 		while (--words >= 0)  in ami_get_var_cursorinfo()
1902 		asm volatile ("lea %0@(%4:w:2),%0 ; tstl %1 ; jeq 1f ; exg %0,%1\n1:"  in ami_get_var_cursorinfo()
1903 			: "=a" (lspr), "=a" (sspr) : "0" (lspr), "1" (sspr), "d" (delta));  in ami_get_var_cursorinfo()
1913 	return 0;  in ami_get_var_cursorinfo()
1949 		memset(lspr, 0, (var->height + 4) << fmode << 2);  in ami_set_var_cursorinfo()
1955 		memset(lspr, 0, (var->height + 2) << fmode << 2);  in ami_set_var_cursorinfo()
1958 	for (height = (short)var->height - 1; height >= 0; height--) {  in ami_set_var_cursorinfo()
1959 		bits = 16; words = delta; datawords = 0;  in ami_set_var_cursorinfo()
1960 		for (width = (short)var->width - 1; width >= 0; width--) {  in ami_set_var_cursorinfo()
1961 			unsigned long tdata = 0;  in ami_set_var_cursorinfo()
1967 				"lsrb #1,%2 ; roxlw #1,%0 ; swap %0 ; "  in ami_set_var_cursorinfo()
1968 				"lsrb #1,%2 ; roxlw #1,%0 ; swap %0"  in ami_set_var_cursorinfo()
1970 				: "0" (datawords), "d" (tdata));  in ami_set_var_cursorinfo()
1972 			datawords = ((datawords << 1) & 0xfffefffe);  in ami_set_var_cursorinfo()
1976 			if (--bits == 0) {  in ami_set_var_cursorinfo()
1979 				asm volatile ("swap %2 ; movew %2,%0@(%3:w:2) ; swap %2 ; movew %2,%0@+"  in ami_set_var_cursorinfo()
1980 					: "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta));  in ami_set_var_cursorinfo()
1983 				*lspr++ = (u_short) (datawords & 0xffff);  in ami_set_var_cursorinfo()
1991 				"swap %2 ; lslw %4,%2 ; movew %2,%0@(%3:w:2) ; "  in ami_set_var_cursorinfo()
1992 				"swap %2 ; lslw %4,%2 ; movew %2,%0@+"  in ami_set_var_cursorinfo()
1993 				: "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta), "d" (bits));  in ami_set_var_cursorinfo()
1996 			*lspr++ = (u_short) ((datawords & 0x0000ffff) >> bits);  in ami_set_var_cursorinfo()
1999 		while (--words >= 0) {  in ami_set_var_cursorinfo()
2001 			asm volatile ("moveql #0,%%d0 ; movew %%d0,%0@(%2:w:2) ; movew %%d0,%0@+"  in ami_set_var_cursorinfo()
2002 				: "=a" (lspr) : "0" (lspr), "d" (delta) : "d0");  in ami_set_var_cursorinfo()
2004 			*(lspr + delta) = 0;  in ami_set_var_cursorinfo()
2005 			*lspr++ = 0;  in ami_set_var_cursorinfo()
2009 		asm volatile ("lea %0@(%4:w:2),%0 ; tstl %1 ; jeq 1f ; exg %0,%1\n1:"  in ami_set_var_cursorinfo()
2010 			: "=a" (lspr), "=a" (sspr) : "0" (lspr), "1" (sspr), "d" (delta));  in ami_set_var_cursorinfo()
2030 	return 0;  in ami_set_var_cursorinfo()
2039 	return 0;  in ami_get_cursorstate()
2050 	return 0;  in ami_set_cursorstate()
2060 	cops = copdisplay.list[currentcop][0];  in ami_set_sprite()
2069 	if (!is_blanked && cursorstate > 0 && par->crsr.height > 0 &&  in ami_set_sprite()
2078 			lofsprite[0] = spr2hw_pos(vs, hs);  in ami_set_sprite()
2079 			shfsprite[0] = spr2hw_pos(vs + 1, hs);  in ami_set_sprite()
2089 			lofsprite[0] = spr2hw_pos(vs, hs) | (IS_AGA && (par->fmode & FMODE_BSCAN2) ? 0x80 : 0);  in ami_set_sprite()
2114 		(cop++)->l = CMOVE(0x0181, diwstrt);  in ami_init_copper()
2115 		(cop++)->l = CMOVE(0x0281, diwstop);  in ami_init_copper()
2116 		(cop++)->l = CMOVE(0x0000, diwhigh);  in ami_init_copper()
2120 	for (i = 0; i < 8; i++) {  in ami_init_copper()
2121 		(cop++)->l = CMOVE(0, spr[i].pos);  in ami_init_copper()
2129 	(cop++)->l = CMOVE(0, copjmp2);  in ami_init_copper()
2133 	custom.copjmp1 = 0;  in ami_init_copper()
2156 	if (IS_AGA && maxfmode + par->clk_shift == 0)  in ami_rebuild_copper()
2169 				for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {  in ami_rebuild_copper()
2178 				if (line >= 510 && IS_AGA && maxfmode + par->clk_shift == 0)  in ami_rebuild_copper()
2187 	for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {  in ami_rebuild_copper()
2194 		cops = copdisplay.rebuild[0];  in ami_rebuild_copper()
2203 					for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {  in ami_rebuild_copper()
2212 					if (line > 510 && IS_AGA && maxfmode + par->clk_shift == 0)  in ami_rebuild_copper()
2226 		for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {  in ami_rebuild_copper()
2249 	(copl++)->l = CWAIT(0, 10);  in ami_build_copper()
2251 	(copl++)->l = CMOVE(0, sprpt[0]);  in ami_build_copper()
2252 	(copl++)->l = CMOVE2(0, sprpt[0]);  in ami_build_copper()
2255 		cops = copdisplay.list[currentcop][0];  in ami_build_copper()
2257 		(cops++)->l = CWAIT(0, 10);  in ami_build_copper()
2259 		(cops++)->l = CMOVE(0, sprpt[0]);  in ami_build_copper()
2260 		(cops++)->l = CMOVE2(0, sprpt[0]);  in ami_build_copper()
2271 #if 0  in ami_build_copper()
2282 		p = ZTWO_PADDR(copdisplay.list[currentcop][0]);  in ami_build_copper()
2288 		copdisplay.rebuild[0] = cops;  in ami_build_copper()
2295 #if 0  in ami_build_copper()
2324 	if (vmin <= 0)  in amifb_setup_mcap()
2329 	if (vmax <= 0 || vmax <= vmin)  in amifb_setup_mcap()
2334 	if (hmin <= 0)  in amifb_setup_mcap()
2339 	if (hmax <= 0 || hmax <= hmin)  in amifb_setup_mcap()
2353 		return 0;  in amifb_setup()
2365 			min_fstrt = simple_strtoul(this_opt + 7, NULL, 0);  in amifb_setup()
2373 	return 0;  in amifb_setup()
2390 	return 0;  in amifb_check_var()
2399 	do_vmode_pan = 0;  in amifb_set_par()
2400 	do_vmode_full = 0;  in amifb_set_par()
2416 		info->fix.type_aux = 0;  in amifb_set_par()
2422 		info->fix.type_aux = 0;  in amifb_set_par()
2428 		info->fix.xpanstep = 0;  in amifb_set_par()
2429 		info->fix.ypanstep = 0;  in amifb_set_par()
2433 		info->fix.ywrapstep = 0;  in amifb_set_par()
2441 	return 0;  in amifb_set_par()
2448 	 * entries in the var structure). Return != 0 for invalid regno.
2477 	 * Register 0 and the screen is blanked.  in amifb_setcolreg()
2488 			custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000);  in amifb_setcolreg()
2491 			custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000) |  in amifb_setcolreg()
2504 			mask = 0x3333;  in amifb_setcolreg()
2518 	return 0;  in amifb_setcolreg()
2530 	return 0;  in amifb_blank()
2553 	return 0;  in amifb_pan_display()
2603 	first = ~0UL >> dst_idx;  in bitcpy()
2604 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));  in bitcpy()
2654 			if (shift > 0) {  in bitcpy()
2671 			if (shift > 0) {  in bitcpy()
2754 	first = ~0UL << (BITS_PER_LONG - 1 - dst_idx);  in bitcpy_rev()
2755 	last = ~(~0UL << (BITS_PER_LONG - 1 - ((dst_idx - n) % BITS_PER_LONG)));  in bitcpy_rev()
2805 			if (shift < 0) {  in bitcpy_rev()
2822 			if (shift < 0) {  in bitcpy_rev()
2895 	first = ~0UL >> dst_idx;  in bitcpy_not()
2896 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));  in bitcpy_not()
2946 			if (shift > 0) {  in bitcpy_not()
2963 			if (shift > 0) {  in bitcpy_not()
3035 	first = ~0UL >> dst_idx;  in bitfill32()
3036 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));  in bitfill32()
3091 	first = ~0UL >> dst_idx;  in bitxor32()
3092 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));  in bitxor32()
3133 		bitfill32(dst, dst_idx, color & 1 ? ~0 : 0, n);  in fill_one_line()
3148 		bitxor32(dst, dst_idx, color & 1 ? ~0 : 0, n);  in xor_one_line()
3243 	int rev_copy = 0;  in amifb_copyarea()
3248 	dx = area->dx > 0 ? area->dx : 0;  in amifb_copyarea()
3249 	dy = area->dy > 0 ? area->dy : 0;  in amifb_copyarea()
3319 			bitfill32(dst, dst_idx, fgcolor & 1 ? ~0 : 0, n);  in expand_one_line()
3396 				    sizeof(crsr.fix)) ? -EFAULT : 0;  in amifb_ioctl()
3405 				    sizeof(crsr.var)) ? -EFAULT : 0;  in amifb_ioctl()
3419 				    sizeof(crsr.state)) ? -EFAULT : 0;  in amifb_ioctl()
3446 	return 0;  in flash_cursor()
3466 		do_cursor = do_vmode_pan = 0;  in amifb_interrupt()
3470 		do_cursor = 0;  in amifb_interrupt()
3478 		do_blank = 0;  in amifb_interrupt()
3483 		do_vmode_full = 0;  in amifb_interrupt()
3516 		return 0;  in chipalloc()
3518 	memset(aligned_chipptr, 0, size);  in chipalloc()
3536 	int tag, i, err = 0;  in amifb_probe()
3565 		maxdepth[TAG_SHRES] = 0;	/* OCS means no SHRES */  in amifb_probe()
3641 	for (i = 0; i < NUM_TOTAL_MODES; i++) {  in amifb_probe()
3676 	round_down_bpp = 0;  in amifb_probe()
3689 	assignchunk(copdisplay.list[0][0], copins *, chipptr, COPLISTSIZE);  in amifb_probe()
3690 	assignchunk(copdisplay.list[0][1], copins *, chipptr, COPLISTSIZE);  in amifb_probe()
3691 	assignchunk(copdisplay.list[1][0], copins *, chipptr, COPLISTSIZE);  in amifb_probe()
3707 	memset(dummysprite, 0, DUMMYSPRITEMEMSIZE);  in amifb_probe()
3720 	err = request_irq(IRQ_AMIGA_COPPER, amifb_interrupt, 0,  in amifb_probe()
3725 	err = fb_alloc_cmap(&info->cmap, 1 << info->var.bits_per_pixel, 0);  in amifb_probe()
3738 	return 0;  in amifb_probe()