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hyperfb.c revision 1.14
      1 /*	$NetBSD: hyperfb.c,v 1.14 2024/09/04 10:35:43 macallan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2024 Michael Lorenz
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     26  * THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * a native driver for HCRX / hyperdrive cards
     31  * tested on a HCRX24Z in a C360 only so far
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 __KERNEL_RCSID(0, "$NetBSD: hyperfb.c,v 1.14 2024/09/04 10:35:43 macallan Exp $");
     36 
     37 #include "opt_cputype.h"
     38 #include "opt_hyperfb.h"
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/device.h>
     43 
     44 #include <sys/bus.h>
     45 #include <machine/cpu.h>
     46 #include <machine/iomod.h>
     47 #include <machine/autoconf.h>
     48 
     49 #include <dev/wscons/wsdisplayvar.h>
     50 #include <dev/wscons/wsconsio.h>
     51 #include <dev/wsfont/wsfont.h>
     52 #include <dev/rasops/rasops.h>
     53 #include <dev/wscons/wsdisplay_vconsvar.h>
     54 #include <dev/wscons/wsdisplay_glyphcachevar.h>
     55 
     56 #include <dev/ic/stireg.h>
     57 #include <dev/ic/stivar.h>
     58 
     59 #include <hppa/dev/cpudevs.h>
     60 #include <hppa/hppa/machdep.h>
     61 
     62 #ifdef HYPERFB_DEBUG
     63 #define	DPRINTF printf
     64 #else
     65 #define DPRINTF if (0) printf
     66 #endif
     67 
     68 #define	STI_ROMSIZE	(sizeof(struct sti_dd) * 4)
     69 
     70 #define HCRX_FBOFFSET	0x01000000
     71 #define HCRX_FBLEN	0x01000000
     72 #define HCRX_REGOFFSET	0x00100000
     73 #define HCRX_REGLEN	0x00280000
     74 
     75 #define HCRX_CONFIG_24BIT	0x100
     76 
     77 int hyperfb_match(device_t, cfdata_t, void *);
     78 void hyperfb_attach(device_t, device_t, void *);
     79 
     80 struct	hyperfb_softc {
     81 	device_t		sc_dev;
     82 	bus_space_tag_t		sc_iot;
     83 	bus_addr_t		sc_base;
     84 	bus_space_handle_t	sc_hfb, sc_hreg;
     85 	void 			*sc_fb;
     86 
     87 	int sc_width, sc_height;
     88 	int sc_locked, sc_is_console, sc_24bit;
     89 	struct vcons_screen sc_console_screen;
     90 	struct wsscreen_descr sc_defaultscreen_descr;
     91 	const struct wsscreen_descr *sc_screens[1];
     92 	struct wsscreen_list sc_screenlist;
     93 	struct vcons_data vd;
     94 	int sc_mode;
     95 	void (*sc_putchar)(void *, int, int, u_int, long);
     96 	u_char sc_cmap_red[256];
     97 	u_char sc_cmap_green[256];
     98 	u_char sc_cmap_blue[256];
     99 	kmutex_t sc_hwlock;
    100 	uint32_t sc_hwmode;
    101 #define HW_FB		0
    102 #define HW_FILL		1
    103 #define HW_BLIT		2
    104 #define HW_SFILL	3
    105 	/* cursor stuff */
    106 	int sc_cursor_x, sc_cursor_y;
    107 	int sc_hot_x, sc_hot_y, sc_enabled;
    108 	int sc_video_on;
    109 	glyphcache sc_gc;
    110 };
    111 
    112 extern struct cfdriver hyperfb_cd;
    113 
    114 CFATTACH_DECL_NEW(hyperfb, sizeof(struct hyperfb_softc), hyperfb_match,
    115     hyperfb_attach, NULL, NULL);
    116 
    117 static inline void  hyperfb_setup_fb(struct hyperfb_softc *);
    118 static inline void  hyperfb_setup_fb24(struct hyperfb_softc *);
    119 static void 	hyperfb_init_screen(void *, struct vcons_screen *,
    120 			    int, long *);
    121 static int	hyperfb_ioctl(void *, void *, u_long, void *, int,
    122 			     struct lwp *);
    123 static paddr_t	hyperfb_mmap(void *, void *, off_t, int);
    124 
    125 static int	hyperfb_putcmap(struct hyperfb_softc *,
    126 		    struct wsdisplay_cmap *);
    127 static int 	hyperfb_getcmap(struct hyperfb_softc *,
    128 		    struct wsdisplay_cmap *);
    129 static void	hyperfb_restore_palette(struct hyperfb_softc *);
    130 static int 	hyperfb_putpalreg(struct hyperfb_softc *, uint8_t, uint8_t,
    131 			    uint8_t, uint8_t);
    132 void 	hyperfb_setup(struct hyperfb_softc *);
    133 static void	hyperfb_set_video(struct hyperfb_softc *, int);
    134 
    135 static void	hyperfb_rectfill(struct hyperfb_softc *, int, int, int, int,
    136 			    uint32_t);
    137 static void	hyperfb_bitblt(void *, int, int, int, int, int,
    138 			    int, int);
    139 
    140 static void	hyperfb_cursor(void *, int, int, int);
    141 static void	hyperfb_putchar(void *, int, int, u_int, long);
    142 static void	hyperfb_copycols(void *, int, int, int, int);
    143 static void	hyperfb_erasecols(void *, int, int, int, long);
    144 static void	hyperfb_copyrows(void *, int, int, int);
    145 static void	hyperfb_eraserows(void *, int, int, long);
    146 
    147 static void	hyperfb_move_cursor(struct hyperfb_softc *, int, int);
    148 static int	hyperfb_do_cursor(struct hyperfb_softc *,
    149 		    struct wsdisplay_cursor *);
    150 
    151 static inline void hyperfb_wait_fifo(struct hyperfb_softc *, uint32_t);
    152 
    153 #define	ngle_bt458_write(sc, r, v) \
    154 	hyperfb_write4(sc, NGLE_REG_RAMDAC + ((r) << 2), (v) << 24)
    155 
    156 struct wsdisplay_accessops hyperfb_accessops = {
    157 	hyperfb_ioctl,
    158 	hyperfb_mmap,
    159 	NULL,	/* alloc_screen */
    160 	NULL,	/* free_screen */
    161 	NULL,	/* show_screen */
    162 	NULL, 	/* load_font */
    163 	NULL,	/* pollc */
    164 	NULL	/* scroll */
    165 };
    166 
    167 static inline uint32_t
    168 hyperfb_read4(struct hyperfb_softc *sc, uint32_t offset)
    169 {
    170 	return bus_space_read_4(sc->sc_iot, sc->sc_hreg, offset);
    171 }
    172 
    173 static inline uint8_t
    174 hyperfb_read1(struct hyperfb_softc *sc, uint32_t offset)
    175 {
    176 	return bus_space_read_1(sc->sc_iot, sc->sc_hreg, offset);
    177 }
    178 
    179 static inline void
    180 hyperfb_write4(struct hyperfb_softc *sc, uint32_t offset, uint32_t val)
    181 {
    182 	bus_space_write_4(sc->sc_iot, sc->sc_hreg, offset, val);
    183 }
    184 
    185 static inline void
    186 hyperfb_write1(struct hyperfb_softc *sc, uint32_t offset, uint8_t val)
    187 {
    188 	bus_space_write_1(sc->sc_iot, sc->sc_hreg, offset, val);
    189 }
    190 
    191 static inline void
    192 hyperfb_wait(struct hyperfb_softc *sc)
    193 {
    194 	uint8_t stat;
    195 
    196 	do {
    197 		stat = hyperfb_read1(sc, NGLE_REG_15b0);
    198 		if (stat == 0)
    199 			stat = hyperfb_read1(sc, NGLE_REG_15b0);
    200 	} while (stat != 0);
    201 }
    202 
    203 static inline void
    204 hyperfb_wait_fifo(struct hyperfb_softc *sc, uint32_t slots)
    205 {
    206 	uint32_t reg;
    207 
    208 	do {
    209 		reg = hyperfb_read4(sc, NGLE_REG_34);
    210 	} while (reg < slots);
    211 }
    212 
    213 static inline void
    214 hyperfb_setup_fb(struct hyperfb_softc *sc)
    215 {
    216 
    217 	/*
    218 	 * turns out the plane mask is applied to everything, including
    219 	 * direct framebuffer writes, so make sure we always set it
    220 	 */
    221 	hyperfb_wait(sc);
    222 	if ((sc->sc_mode != WSDISPLAYIO_MODE_EMUL) && sc->sc_24bit) {
    223 		hyperfb_write4(sc, NGLE_REG_10,
    224 		    BA(FractDcd, Otc24, Ots08, AddrLong, 0, BINapp0F8, 0));
    225 		hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    226 	} else {
    227 		hyperfb_write4(sc, NGLE_REG_10,
    228 		    BA(IndexedDcd, Otc04, Ots08, AddrByte, 0, BINovly, 0));
    229 		hyperfb_write4(sc, NGLE_REG_13, 0xff);
    230 	}
    231 	hyperfb_write4(sc, NGLE_REG_14, 0x83000300);
    232 	hyperfb_wait(sc);
    233 	hyperfb_write1(sc, NGLE_REG_16b1, 1);
    234 	sc->sc_hwmode = HW_FB;
    235 }
    236 
    237 static inline void
    238 hyperfb_setup_fb24(struct hyperfb_softc *sc)
    239 {
    240 
    241 	hyperfb_wait(sc);
    242 	hyperfb_write4(sc, NGLE_REG_10,
    243 	    BA(FractDcd, Otc24, Ots08, AddrLong, 0, BINapp0F8, 0));
    244 	hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    245 	hyperfb_write4(sc, NGLE_REG_14, 0x83000300);
    246 	//IBOvals(RopSrc,0,BitmapExtent08,0,DataDynamic,MaskDynamic,0,0)
    247 	hyperfb_wait(sc);
    248 	hyperfb_write1(sc, NGLE_REG_16b1, 1);
    249 	sc->sc_hwmode = HW_FB;
    250 }
    251 
    252 int
    253 hyperfb_match(device_t parent, cfdata_t cf, void *aux)
    254 {
    255 	struct confargs *ca = aux;
    256 	bus_space_handle_t romh;
    257 	paddr_t rom;
    258 	uint32_t id = 0;
    259 	u_char devtype;
    260 	int rv = 0, romunmapped = 0;
    261 
    262 	if (ca->ca_type.iodc_type != HPPA_TYPE_FIO)
    263 		return 0;
    264 
    265 	/* these need further checking for the graphics id */
    266 	if (ca->ca_type.iodc_sv_model != HPPA_FIO_GSGC &&
    267 	    ca->ca_type.iodc_sv_model != HPPA_FIO_SGC)
    268 		return 0;
    269 
    270 	if (ca->ca_naddrs > 0)
    271 		rom = ca->ca_addrs[0].addr;
    272 	else
    273 		rom = ca->ca_hpa;
    274 
    275 	DPRINTF("%s: hpa=%x, rom=%x\n", __func__, (uint)ca->ca_hpa,
    276 	    (uint)rom);
    277 
    278 	/* if it does not map, probably part of the lasi space */
    279 	if (bus_space_map(ca->ca_iot, rom, STI_ROMSIZE, 0, &romh)) {
    280 		DPRINTF("%s: can't map rom space (%d)\n", __func__, rv);
    281 
    282 		if ((rom & HPPA_IOBEGIN) == HPPA_IOBEGIN) {
    283 			romh = rom;
    284 			romunmapped++;
    285 		} else {
    286 			/* in this case nobody has no freaking idea */
    287 			return 0;
    288 		}
    289 	}
    290 
    291 	devtype = bus_space_read_1(ca->ca_iot, romh, 3);
    292 	DPRINTF("%s: devtype=%d\n", __func__, devtype);
    293 	rv = 1;
    294 	switch (devtype) {
    295 	case STI_DEVTYPE4:
    296 		id = bus_space_read_4(ca->ca_iot, romh, STI_DEV4_DD_GRID);
    297 		break;
    298 	case STI_DEVTYPE1:
    299 		id = (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID
    300 		    +  3) << 24) |
    301 		    (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID
    302 		    +  7) << 16) |
    303 		    (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID
    304 		    + 11) <<  8) |
    305 		    (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID
    306 		    + 15));
    307 		break;
    308 	default:
    309 		DPRINTF("%s: unknown type (%x)\n", __func__, devtype);
    310 		rv = 0;
    311 	}
    312 
    313 	if (id == STI_DD_HCRX)
    314 		rv = 100;	/* beat out sti */
    315 
    316 	ca->ca_addrs[ca->ca_naddrs].addr = rom;
    317 	ca->ca_addrs[ca->ca_naddrs].size = sti_rom_size(ca->ca_iot, romh);
    318 	ca->ca_naddrs++;
    319 
    320 	if (!romunmapped)
    321 		bus_space_unmap(ca->ca_iot, romh, STI_ROMSIZE);
    322 	return rv;
    323 }
    324 
    325 void
    326 hyperfb_attach(device_t parent, device_t self, void *aux)
    327 {
    328 	struct hyperfb_softc *sc = device_private(self);
    329 	struct confargs *ca = aux;
    330 	struct rasops_info *ri;
    331 	struct wsemuldisplaydev_attach_args aa;
    332 	bus_space_handle_t hrom;
    333 	hppa_hpa_t consaddr;
    334 	long defattr;
    335 	int pagezero_cookie;
    336 	paddr_t rom;
    337 	uint32_t config;
    338 
    339 	pagezero_cookie = hppa_pagezero_map();
    340 	consaddr = (hppa_hpa_t)PAGE0->mem_cons.pz_hpa;
    341 	hppa_pagezero_unmap(pagezero_cookie);
    342 
    343 	sc->sc_dev = self;
    344 	sc->sc_base = ca->ca_hpa;
    345 	sc->sc_iot = ca->ca_iot;
    346 	sc->sc_is_console =(ca->ca_hpa == consaddr);
    347 	sc->sc_width = 1280;
    348 	sc->sc_height = 1024;
    349 
    350 	/* we can *not* be interrupted when doing colour map accesses */
    351 	mutex_init(&sc->sc_hwlock, MUTEX_DEFAULT, IPL_HIGH);
    352 
    353 	/* we stashed rom addr/len into the last slot during probe */
    354 	rom = ca->ca_addrs[ca->ca_naddrs - 1].addr;
    355 
    356 	if (bus_space_map(sc->sc_iot,
    357 	    sc->sc_base + HCRX_FBOFFSET, HCRX_FBLEN,
    358 	    BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
    359 	    &sc->sc_hfb)) {
    360 	    	aprint_error_dev(sc->sc_dev,
    361 		    "failed to map the framebuffer\n");
    362 	    	return;
    363 	}
    364 	sc->sc_fb = bus_space_vaddr(sc->sc_iot, sc->sc_hfb);
    365 
    366 	if (bus_space_map(sc->sc_iot,
    367 	    sc->sc_base + HCRX_REGOFFSET, HCRX_REGLEN, 0, &sc->sc_hreg)) {
    368 	    	aprint_error_dev(sc->sc_dev, "failed to map registers\n");
    369 	    	return;
    370 	}
    371 
    372 	/*
    373 	 * we really only need the first word so we can grab the config bits
    374 	 * between the bytes
    375 	 */
    376 	if (bus_space_map(sc->sc_iot, rom, 4, 0, &hrom)) {
    377 	    	aprint_error_dev(sc->sc_dev,
    378 		    "failed to map ROM, assuming 8bit\n");
    379 	    	config = 0;
    380 	} else {
    381 		/* alright, we got the ROM. now do the idle dance. */
    382 		volatile uint32_t r = hyperfb_read4(sc, NGLE_REG_15);
    383 		__USE(r);
    384 		hyperfb_wait(sc);
    385 		config = bus_space_read_4(sc->sc_iot, hrom, 0);
    386 		bus_space_unmap(sc->sc_iot, hrom, 4);
    387 	}
    388 	sc->sc_24bit = ((config & HCRX_CONFIG_24BIT) != 0);
    389 
    390 	printf(" %s\n", sc->sc_24bit ? "HCRX24" : "HCRX");
    391 #ifdef HP7300LC_CPU
    392 	/*
    393 	 * PCXL2: enable accel I/O for this space, see PCX-L2 ERS "ACCEL_IO".
    394 	 * "pcxl2_ers.{ps,pdf}", (section / chapter . rel. page / abs. page)
    395 	 * 8.7.4 / 8-12 / 92, 11.3.14 / 11-14 / 122 and 14.8 / 14-5 / 203.
    396 	 */
    397 	if (hppa_cpu_info->hci_cputype == hpcxl2
    398 	    && ca->ca_hpa >= PCXL2_ACCEL_IO_START
    399 	    && ca->ca_hpa <= PCXL2_ACCEL_IO_END)
    400 		eaio_l2(PCXL2_ACCEL_IO_ADDR2MASK(ca->ca_hpa));
    401 #endif /* HP7300LC_CPU */
    402 
    403 	sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
    404 	sc->sc_locked = 0;
    405 
    406 	hyperfb_setup(sc);
    407 	hyperfb_setup_fb(sc);
    408 
    409 	sc->sc_defaultscreen_descr = (struct wsscreen_descr){
    410 		"default",
    411 		0, 0,
    412 		NULL,
    413 		8, 16,
    414 		WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE |
    415 		      WSSCREEN_RESIZE,
    416 		NULL
    417 	};
    418 
    419 	sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
    420 	sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
    421 
    422 	vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
    423 	    &hyperfb_accessops);
    424 	sc->vd.init_screen = hyperfb_init_screen;
    425 	sc->vd.show_screen_cookie = &sc->sc_gc;
    426 	sc->vd.show_screen_cb = glyphcache_adapt;
    427 
    428 	ri = &sc->sc_console_screen.scr_ri;
    429 
    430 	//sc->sc_gc.gc_bitblt = hyperfb_bitblt;
    431 	//sc->sc_gc.gc_blitcookie = sc;
    432 	//sc->sc_gc.gc_rop = RopSrc;
    433 
    434 	if (sc->sc_is_console) {
    435 		vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
    436 		    &defattr);
    437 		sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
    438 
    439 		sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
    440 		sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
    441 		sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
    442 		sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
    443 
    444 #if 0
    445 		glyphcache_init(&sc->sc_gc, sc->sc_height + 5,
    446 				sc->sc_scr.fbheight - sc->sc_height - 5,
    447 				sc->sc_scr.fbwidth,
    448 				ri->ri_font->fontwidth,
    449 				ri->ri_font->fontheight,
    450 				defattr);
    451 #endif
    452 		wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
    453 		    defattr);
    454 
    455 		hyperfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
    456 		    ri->ri_devcmap[(defattr >> 16) & 0xff]);
    457 
    458 		vcons_replay_msgbuf(&sc->sc_console_screen);
    459 	} else {
    460 		/*
    461 		 * since we're not the console we can postpone the rest
    462 		 * until someone actually allocates a screen for us
    463 		 */
    464 		if (sc->sc_console_screen.scr_ri.ri_rows == 0) {
    465 			/* do some minimal setup to avoid weirdnesses later */
    466 			vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
    467 			    &defattr);
    468 		} else
    469 			(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
    470 
    471 #if 0
    472 		glyphcache_init(&sc->sc_gc, sc->sc_height + 5,
    473 				sc->sc_scr.fbheight - sc->sc_height - 5,
    474 				sc->sc_scr.fbwidth,
    475 				ri->ri_font->fontwidth,
    476 				ri->ri_font->fontheight,
    477 				defattr);
    478 #endif
    479 	}
    480 
    481 	hyperfb_restore_palette(sc);
    482 
    483 	/* no suspend/resume support yet */
    484 	if (!pmf_device_register(sc->sc_dev, NULL, NULL))
    485 		aprint_error_dev(sc->sc_dev,
    486 		    "couldn't establish power handler\n");
    487 
    488 	aa.console = sc->sc_is_console;
    489 	aa.scrdata = &sc->sc_screenlist;
    490 	aa.accessops = &hyperfb_accessops;
    491 	aa.accesscookie = &sc->vd;
    492 
    493 	config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARGS_NONE);
    494 
    495 	hyperfb_setup_fb(sc);
    496 
    497 #ifdef HYPERFB_DEBUG
    498 	int i;
    499 
    500 	hyperfb_wait_fifo(sc, 4);
    501 	/* transfer data */
    502 	hyperfb_write4(sc, NGLE_REG_8, 0xff00ff00);
    503 	/* plane mask */
    504 	hyperfb_write4(sc, NGLE_REG_13, 0xff);
    505 	/* bitmap op */
    506 	hyperfb_write4(sc, NGLE_REG_14,
    507 	    IBOvals(RopSrc, 0, BitmapExtent08, 0, DataDynamic, MaskOtc, 1, 0));
    508 	/* dst bitmap access */
    509 	hyperfb_write4(sc, NGLE_REG_11,
    510 	    BA(IndexedDcd, Otc32, OtsIndirect, AddrLong, 0, BINovly, 0));
    511 
    512 	hyperfb_wait_fifo(sc, 3);
    513 	hyperfb_write4(sc, NGLE_REG_35, 0xe0);
    514 	hyperfb_write4(sc, NGLE_REG_36, 0x1c);
    515 	/* dst XY */
    516 	hyperfb_write4(sc, NGLE_REG_6, (2 << 16) | 902);
    517 	/* len XY start */
    518 	hyperfb_write4(sc, NGLE_REG_9, (28 << 16) | 32);
    519 
    520 	for (i = 0; i < 32; i++)
    521 		hyperfb_write4(sc, NGLE_REG_8, (i & 4) ? 0xff00ff00 : 0x00ff00ff);
    522 
    523 	hyperfb_rectfill(sc, 70, 902, 16, 32, 0xe0);
    524 	hyperfb_rectfill(sc, 50, 902, 16, 32, 0x1c);
    525 #endif
    526 }
    527 
    528 static void
    529 hyperfb_init_screen(void *cookie, struct vcons_screen *scr,
    530     int existing, long *defattr)
    531 {
    532 	struct hyperfb_softc *sc = cookie;
    533 	struct rasops_info *ri = &scr->scr_ri;
    534 
    535 	ri->ri_depth = 8;
    536 	ri->ri_width = 1280;
    537 #ifdef HYPERFB_DEBUG
    538 	ri->ri_height = 900;
    539 #else
    540 	ri->ri_height = 1024;
    541 #endif
    542 	ri->ri_stride = 2048;
    543 	ri->ri_flg = RI_CENTER | RI_8BIT_IS_RGB /*|
    544 		     RI_ENABLE_ALPHA | RI_PREFER_ALPHA*/;
    545 
    546 	ri->ri_bits = (void *)sc->sc_fb;
    547 	rasops_init(ri, 0, 0);
    548 	ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE |
    549 		      WSSCREEN_RESIZE;
    550 	scr->scr_flags |= VCONS_LOADFONT;
    551 
    552 	rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
    553 		    sc->sc_width / ri->ri_font->fontwidth);
    554 
    555 	ri->ri_hw = scr;
    556 
    557 	sc->sc_putchar = ri->ri_ops.putchar;
    558 	ri->ri_ops.copyrows = hyperfb_copyrows;
    559 	ri->ri_ops.copycols = hyperfb_copycols;
    560 	ri->ri_ops.eraserows = hyperfb_eraserows;
    561 	ri->ri_ops.erasecols = hyperfb_erasecols;
    562 	ri->ri_ops.cursor = hyperfb_cursor;
    563 	ri->ri_ops.putchar = hyperfb_putchar;
    564 }
    565 
    566 static int
    567 hyperfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
    568     struct lwp *l)
    569 {
    570 	struct vcons_data *vd = v;
    571 	struct hyperfb_softc *sc = vd->cookie;
    572 	struct wsdisplay_fbinfo *wdf;
    573 	struct vcons_screen *ms = vd->active;
    574 
    575 	switch (cmd) {
    576 	case WSDISPLAYIO_GTYPE:
    577 		*(u_int *)data = WSDISPLAY_TYPE_STI;
    578 		return 0;
    579 
    580 	case GCID:
    581 		*(u_int *)data = STI_DD_HCRX;
    582 		return 0;
    583 
    584 	case WSDISPLAYIO_GINFO:
    585 		if (ms == NULL)
    586 			return ENODEV;
    587 		wdf = (void *)data;
    588 		wdf->height = ms->scr_ri.ri_height;
    589 		wdf->width = sc->sc_24bit ? ms->scr_ri.ri_width << 2
    590 		    : ms->scr_ri.ri_width;
    591 		wdf->depth = ms->scr_ri.ri_depth;
    592 		wdf->cmsize = 256;
    593 		return 0;
    594 
    595 	case WSDISPLAYIO_GETCMAP:
    596 		return hyperfb_getcmap(sc,
    597 		    (struct wsdisplay_cmap *)data);
    598 
    599 	case WSDISPLAYIO_PUTCMAP:
    600 		return hyperfb_putcmap(sc,
    601 		    (struct wsdisplay_cmap *)data);
    602 	case WSDISPLAYIO_LINEBYTES:
    603 		*(u_int *)data = sc->sc_24bit ? 8192 : 2048;
    604 		return 0;
    605 
    606 	case WSDISPLAYIO_SMODE: {
    607 		int new_mode = *(int*)data;
    608 		if (new_mode != sc->sc_mode) {
    609 			sc->sc_mode = new_mode;
    610 			if (new_mode == WSDISPLAYIO_MODE_EMUL) {
    611 				hyperfb_setup(sc);
    612 				hyperfb_restore_palette(sc);
    613 #if 0
    614 				glyphcache_wipe(&sc->sc_gc);
    615 #endif
    616 				hyperfb_rectfill(sc, 0, 0, sc->sc_width,
    617 				    sc->sc_height, ms->scr_ri.ri_devcmap[
    618 				    (ms->scr_defattr >> 16) & 0xff]);
    619 				vcons_redraw_screen(ms);
    620 				hyperfb_set_video(sc, 1);
    621 			} else {
    622 				hyperfb_setup(sc);
    623 				hyperfb_rectfill(sc, 0, 0, sc->sc_width,
    624 				    sc->sc_height, 0xff);
    625 				hyperfb_setup_fb24(sc);
    626 			}
    627 		}
    628 		}
    629 		return 0;
    630 
    631 	case WSDISPLAYIO_GET_FBINFO: {
    632 		struct wsdisplayio_fbinfo *fbi = data;
    633 		int ret;
    634 
    635 		ret = wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
    636 		fbi->fbi_fbsize = sc->sc_height * 2048;
    637 		if (sc->sc_24bit) {
    638 			fbi->fbi_stride = 8192;
    639 			fbi->fbi_bitsperpixel = 32;
    640 			fbi->fbi_pixeltype = WSFB_RGB;
    641 			fbi->fbi_subtype.fbi_rgbmasks.red_offset = 16;
    642 			fbi->fbi_subtype.fbi_rgbmasks.red_size = 8;
    643 			fbi->fbi_subtype.fbi_rgbmasks.green_offset = 8;
    644 			fbi->fbi_subtype.fbi_rgbmasks.green_size = 8;
    645 			fbi->fbi_subtype.fbi_rgbmasks.blue_offset = 0;
    646 			fbi->fbi_subtype.fbi_rgbmasks.blue_size = 8;
    647 			fbi->fbi_subtype.fbi_rgbmasks.alpha_size = 0;
    648 				fbi->fbi_fbsize = sc->sc_height * 8192;
    649 		}
    650 		return ret;
    651 	}
    652 
    653 	case WSDISPLAYIO_GCURPOS: {
    654 		struct wsdisplay_curpos *cp = (void *)data;
    655 
    656 		cp->x = sc->sc_cursor_x;
    657 		cp->y = sc->sc_cursor_y;
    658 	}
    659 		return 0;
    660 
    661 	case WSDISPLAYIO_SCURPOS: {
    662 		struct wsdisplay_curpos *cp = (void *)data;
    663 
    664 		hyperfb_move_cursor(sc, cp->x, cp->y);
    665 	}
    666 		return 0;
    667 
    668 	case WSDISPLAYIO_GCURMAX: {
    669 		struct wsdisplay_curpos *cp = (void *)data;
    670 
    671 		cp->x = 64;
    672 		cp->y = 64;
    673 	}
    674 		return 0;
    675 
    676 	case WSDISPLAYIO_SCURSOR: {
    677 		struct wsdisplay_cursor *cursor = (void *)data;
    678 
    679 		return hyperfb_do_cursor(sc, cursor);
    680 	}
    681 
    682 	case WSDISPLAYIO_SVIDEO:
    683 		hyperfb_set_video(sc, *(int *)data);
    684 		return 0;
    685 	case WSDISPLAYIO_GVIDEO:
    686 		*(u_int *)data = sc->sc_video_on ?
    687 		    WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF;
    688 		return 0;
    689 	}
    690 	return EPASSTHROUGH;
    691 }
    692 
    693 static paddr_t
    694 hyperfb_mmap(void *v, void *vs, off_t offset, int prot)
    695 {
    696 	struct vcons_data *vd = v;
    697 	struct hyperfb_softc *sc = vd->cookie;
    698 	paddr_t pa = -1;
    699 
    700 
    701 	if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)
    702 		return -1;
    703 
    704 	/* GSC framebuffer space is 16MB */
    705 	if (offset >= 0 && offset < 0x1000000) {
    706 		/* framebuffer */
    707 		pa = bus_space_mmap(sc->sc_iot, sc->sc_base + HCRX_FBOFFSET,
    708 		    offset, prot,
    709 		    BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
    710 	} else if (offset >= 0x80000000 && offset < 0x8040000) {
    711 		/* blitter registers etc. */
    712 		pa = bus_space_mmap(sc->sc_iot, sc->sc_base + HCRX_REGOFFSET,
    713 		    offset - 0x80000000, prot, BUS_SPACE_MAP_LINEAR);
    714 	}
    715 
    716 	return pa;
    717 }
    718 
    719 static int
    720 hyperfb_putcmap(struct hyperfb_softc *sc, struct wsdisplay_cmap *cm)
    721 {
    722 	u_char *r, *g, *b;
    723 	u_int index = cm->index;
    724 	u_int count = cm->count;
    725 	int i, error;
    726 	u_char rbuf[256], gbuf[256], bbuf[256];
    727 
    728 	if (cm->index >= 256 || cm->count > 256 ||
    729 	    (cm->index + cm->count) > 256)
    730 		return EINVAL;
    731 	error = copyin(cm->red, &rbuf[index], count);
    732 	if (error)
    733 		return error;
    734 	error = copyin(cm->green, &gbuf[index], count);
    735 	if (error)
    736 		return error;
    737 	error = copyin(cm->blue, &bbuf[index], count);
    738 	if (error)
    739 		return error;
    740 
    741 	memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
    742 	memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
    743 	memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
    744 
    745 	r = &sc->sc_cmap_red[index];
    746 	g = &sc->sc_cmap_green[index];
    747 	b = &sc->sc_cmap_blue[index];
    748 
    749 	for (i = 0; i < count; i++) {
    750 		hyperfb_putpalreg(sc, index, *r, *g, *b);
    751 		index++;
    752 		r++, g++, b++;
    753 	}
    754 	return 0;
    755 }
    756 
    757 static int
    758 hyperfb_getcmap(struct hyperfb_softc *sc, struct wsdisplay_cmap *cm)
    759 {
    760 	u_int index = cm->index;
    761 	u_int count = cm->count;
    762 	int error;
    763 
    764 	if (index >= 255 || count > 256 || index + count > 256)
    765 		return EINVAL;
    766 
    767 	error = copyout(&sc->sc_cmap_red[index],   cm->red,   count);
    768 	if (error)
    769 		return error;
    770 	error = copyout(&sc->sc_cmap_green[index], cm->green, count);
    771 	if (error)
    772 		return error;
    773 	error = copyout(&sc->sc_cmap_blue[index],  cm->blue,  count);
    774 	if (error)
    775 		return error;
    776 
    777 	return 0;
    778 }
    779 
    780 static void
    781 hyperfb_restore_palette(struct hyperfb_softc *sc)
    782 {
    783 	uint8_t cmap[768];
    784 	int i, j;
    785 
    786 	j = 0;
    787 	rasops_get_cmap(&sc->sc_console_screen.scr_ri, cmap, sizeof(cmap));
    788 	for (i = 0; i < 256; i++) {
    789 		sc->sc_cmap_red[i] = cmap[j];
    790 		sc->sc_cmap_green[i] = cmap[j + 1];
    791 		sc->sc_cmap_blue[i] = cmap[j + 2];
    792 		hyperfb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]);
    793 		j += 3;
    794 	}
    795 }
    796 
    797 static int
    798 hyperfb_putpalreg(struct hyperfb_softc *sc, uint8_t idx, uint8_t r, uint8_t g,
    799     uint8_t b)
    800 {
    801 
    802 	mutex_enter(&sc->sc_hwlock);
    803 	hyperfb_wait(sc);
    804 	hyperfb_write4(sc, NGLE_REG_10, 0xbbe0f000);
    805 	hyperfb_write4(sc, NGLE_REG_14, 0x03000300);
    806 	hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    807 
    808 	hyperfb_wait(sc);
    809 	hyperfb_write4(sc, NGLE_REG_3, 0x400 | (idx << 2));
    810 	hyperfb_write4(sc, NGLE_REG_4, (r << 16) | (g << 8) | b);
    811 
    812 	hyperfb_write4(sc, NGLE_REG_2, 0x400);
    813 	hyperfb_write4(sc, NGLE_REG_38, 0x82000100);
    814 	hyperfb_setup_fb(sc);
    815 	mutex_exit(&sc->sc_hwlock);
    816 	return 0;
    817 }
    818 
    819 void
    820 hyperfb_setup(struct hyperfb_softc *sc)
    821 {
    822 	int i;
    823 	uint32_t reg;
    824 
    825 	sc->sc_hwmode = HW_FB;
    826 	sc->sc_hot_x = 0;
    827 	sc->sc_hot_y = 0;
    828 	sc->sc_enabled = 0;
    829 	sc->sc_video_on = 1;
    830 
    831 	/* set Bt458 read mask register to all planes */
    832 	/* XXX I'm not sure HCRX even has one of these */
    833 	hyperfb_wait(sc);
    834 	ngle_bt458_write(sc, 0x08, 0x04);
    835 	ngle_bt458_write(sc, 0x0a, 0xff);
    836 
    837 	reg = hyperfb_read4(sc, NGLE_REG_32);
    838 	DPRINTF("planereg %08x\n", reg);
    839 	hyperfb_write4(sc, NGLE_REG_32, 0xffffffff);
    840 
    841 	/* hyperbowl */
    842 	hyperfb_wait(sc);
    843 	if (sc->sc_24bit) {
    844 		/* write must happen twice because hw bug */
    845 		hyperfb_write4(sc, NGLE_REG_40,
    846 		    HYPERBOWL_MODE01_8_24_LUT0_TRANSPARENT_LUT1_OPAQUE);
    847 		hyperfb_write4(sc, NGLE_REG_40,
    848 		    HYPERBOWL_MODE01_8_24_LUT0_TRANSPARENT_LUT1_OPAQUE);
    849 		hyperfb_write4(sc, NGLE_REG_39, HYPERBOWL_MODE2_8_24);
    850 		/* Set lut 0 to be the direct color */
    851 		hyperfb_write4(sc, NGLE_REG_42, 0x014c0148);
    852 		hyperfb_write4(sc, NGLE_REG_43, 0x404c4048);
    853 		hyperfb_write4(sc, NGLE_REG_44, 0x034c0348);
    854 		hyperfb_write4(sc, NGLE_REG_45, 0x444c4448);
    855 	} else {
    856 		hyperfb_write4(sc, NGLE_REG_40,
    857 		    HYPERBOWL_MODE_FOR_8_OVER_88_LUT0_NO_TRANSPARENCIES);
    858 		hyperfb_write4(sc, NGLE_REG_40,
    859 		    HYPERBOWL_MODE_FOR_8_OVER_88_LUT0_NO_TRANSPARENCIES);
    860 
    861 		hyperfb_write4(sc, NGLE_REG_42, 0);
    862 		hyperfb_write4(sc, NGLE_REG_43, 0);
    863 		hyperfb_write4(sc, NGLE_REG_44, 0);
    864 		hyperfb_write4(sc, NGLE_REG_45, 0x444c4048);
    865 	}
    866 
    867 	/* attr. planes */
    868 	hyperfb_wait(sc);
    869 	hyperfb_write4(sc, NGLE_REG_11,
    870 	    BA(IndexedDcd, Otc32, OtsIndirect, AddrLong, 0, BINattr, 0));
    871 	hyperfb_write4(sc, NGLE_REG_14,
    872 	    IBOvals(RopSrc, 0, BitmapExtent08, 1, DataDynamic, MaskOtc, 1, 0));
    873 	hyperfb_write4(sc, NGLE_REG_12, 0x04000F00/*NGLE_BUFF0_CMAP0*/);
    874 	hyperfb_write4(sc, NGLE_REG_8, 0xffffffff);
    875 
    876 	hyperfb_wait(sc);
    877 	hyperfb_write4(sc, NGLE_REG_6, 0x00000000);
    878 	hyperfb_write4(sc, NGLE_REG_9,
    879 	    (sc->sc_width << 16) | sc->sc_height);
    880 	/*
    881 	 * blit into offscreen memory to force flush previous - apparently
    882 	 * some chips have a bug this works around
    883 	 */
    884 	hyperfb_wait(sc);
    885 	hyperfb_write4(sc, NGLE_REG_6, 0x05000000);
    886 	hyperfb_write4(sc, NGLE_REG_9, 0x00040001);
    887 
    888 	/*
    889 	 * on 24bit-capable hardware we:
    890 	 * - make overlay colour 255 transparent
    891 	 * - blit the 24bit buffer all white
    892 	 * - install a linear ramp in CMAP 0
    893 	 */
    894 	if (sc->sc_24bit) {
    895 		/* overlay transparency */
    896 		hyperfb_wait_fifo(sc, 7);
    897 		hyperfb_write4(sc, NGLE_REG_11,
    898 		    BA(IndexedDcd, Otc04, Ots08, AddrLong, 0, BINovly, 0));
    899 		hyperfb_write4(sc, NGLE_REG_14, 0x03000300);
    900 		hyperfb_write4(sc, NGLE_REG_3, 0x000017f0);
    901 		hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    902 		hyperfb_write4(sc, NGLE_REG_22, 0xffffffff);
    903 		hyperfb_write4(sc, NGLE_REG_23, 0x0);
    904 
    905 		hyperfb_wait(sc);
    906 		hyperfb_write4(sc, NGLE_REG_12, 0x00000000);
    907 
    908 		/* clear 24bit buffer */
    909 		hyperfb_wait(sc);
    910 		/* plane mask */
    911 		hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    912 		hyperfb_write4(sc, NGLE_REG_8, 0xffffffff); /* transfer data */
    913 		/* bitmap op */
    914 		hyperfb_write4(sc, NGLE_REG_14,
    915 		    IBOvals(RopSrc, 0, BitmapExtent32, 0, DataDynamic, MaskOtc,
    916 			0, 0));
    917 		/* dst bitmap access */
    918 		hyperfb_write4(sc, NGLE_REG_11,
    919 		    BA(IndexedDcd, Otc32, OtsIndirect, AddrLong, 0, BINapp0F8,
    920 			0));
    921 		hyperfb_wait_fifo(sc, 3);
    922 		hyperfb_write4(sc, NGLE_REG_35, 0x00ffffff);	/* fg colour */
    923 		hyperfb_write4(sc, NGLE_REG_6, 0x00000000);	/* dst xy */
    924 		hyperfb_write4(sc, NGLE_REG_9,
    925 		    (sc->sc_width << 16) | sc->sc_height);
    926 
    927 		/* write a linear ramp into CMAP0 */
    928 		hyperfb_wait(sc);
    929 		hyperfb_write4(sc, NGLE_REG_10, 0xbbe0f000);
    930 		hyperfb_write4(sc, NGLE_REG_14, 0x03000300);
    931 		hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    932 
    933 		hyperfb_wait(sc);
    934 		hyperfb_write4(sc, NGLE_REG_3, 0);
    935 		for (i = 0; i < 256; i++) {
    936 			hyperfb_wait(sc);
    937 			hyperfb_write4(sc, NGLE_REG_4,
    938 			    (i << 16) | (i << 8) | i);
    939 		}
    940 		hyperfb_write4(sc, NGLE_REG_2, 0x0);
    941 		hyperfb_write4(sc, NGLE_REG_38,
    942 		    LBC_ENABLE | LBC_TYPE_CMAP | 0x100);
    943 		hyperfb_wait(sc);
    944 	}
    945 
    946 	hyperfb_setup_fb(sc);
    947 
    948 	/* make sure video output is enabled */
    949 	hyperfb_wait(sc);
    950 	hyperfb_write4(sc, NGLE_REG_33,
    951 	    hyperfb_read4(sc, NGLE_REG_33) | 0x0a000000);
    952 
    953 	/* cursor mask */
    954 	hyperfb_wait(sc);
    955 	hyperfb_write4(sc, NGLE_REG_30, 0);
    956 	for (i = 0; i < 64; i++) {
    957 		hyperfb_write4(sc, NGLE_REG_31, 0xffffffff);
    958 		hyperfb_write4(sc, NGLE_REG_31, 0xffffffff);
    959 	}
    960 
    961 	/* cursor image */
    962 	hyperfb_wait(sc);
    963 	hyperfb_write4(sc, NGLE_REG_30, 0x80);
    964 	for (i = 0; i < 64; i++) {
    965 		hyperfb_write4(sc, NGLE_REG_31, 0xff00ff00);
    966 		hyperfb_write4(sc, NGLE_REG_31, 0xff00ff00);
    967 	}
    968 
    969 	/* colour map */
    970 	hyperfb_wait(sc);
    971 	hyperfb_write4(sc, NGLE_REG_10, 0xBBE0F000);
    972 	hyperfb_write4(sc, NGLE_REG_14, 0x03000300);
    973 	hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
    974 	hyperfb_wait(sc);
    975 	hyperfb_write4(sc, NGLE_REG_3, 0);
    976 	hyperfb_write4(sc, NGLE_REG_4, 0x000000ff);	/* BG */
    977 	hyperfb_write4(sc, NGLE_REG_4, 0x00ff0000);	/* FG */
    978 	hyperfb_wait(sc);
    979 	hyperfb_write4(sc, NGLE_REG_2, 0);
    980 	hyperfb_write4(sc, NGLE_REG_38, LBC_ENABLE | LBC_TYPE_CURSOR | 4);
    981 	hyperfb_setup_fb(sc);
    982 
    983 	hyperfb_move_cursor(sc, 100, 100);
    984 }
    985 
    986 static void
    987 hyperfb_set_video(struct hyperfb_softc *sc, int on)
    988 {
    989 	uint32_t reg;
    990 
    991 	if (sc->sc_video_on == on)
    992 		return;
    993 
    994 	sc->sc_video_on = on;
    995 
    996 	hyperfb_wait(sc);
    997 	reg = hyperfb_read4(sc, NGLE_REG_33);
    998 
    999 	if (on) {
   1000 		hyperfb_write4(sc, NGLE_REG_33, reg | HCRX_VIDEO_ENABLE);
   1001 	} else {
   1002 		hyperfb_write4(sc, NGLE_REG_33, reg & ~HCRX_VIDEO_ENABLE);
   1003 	}
   1004 }
   1005 
   1006 static void
   1007 hyperfb_rectfill(struct hyperfb_softc *sc, int x, int y, int wi, int he,
   1008     uint32_t bg)
   1009 {
   1010 	uint32_t mask = 0xffffffff;
   1011 
   1012 	/*
   1013 	 * XXX
   1014 	 * HCRX and EG both always draw rectangles at least 32 pixels wide
   1015 	 * for anything narrower we need to set a bit mask and enable
   1016 	 * transparency
   1017 	 */
   1018 
   1019 	if (sc->sc_hwmode != HW_FILL) {
   1020 		hyperfb_wait_fifo(sc, 3);
   1021 		/* plane mask */
   1022 		hyperfb_write4(sc, NGLE_REG_13, 0xff);
   1023 		/* bitmap op */
   1024 		hyperfb_write4(sc, NGLE_REG_14,
   1025 		    IBOvals(RopSrc, 0, BitmapExtent08, 0, DataDynamic, MaskOtc,
   1026 			1 /* bg transparent */, 0));
   1027 		/* dst bitmap access */
   1028 		hyperfb_write4(sc, NGLE_REG_11,
   1029 		    BA(IndexedDcd, Otc32, OtsIndirect, AddrLong, 0, BINovly,
   1030 			0));
   1031 		sc->sc_hwmode = HW_FILL;
   1032 	}
   1033 	hyperfb_wait_fifo(sc, 4);
   1034 	if (wi < 32)
   1035 		mask = 0xffffffff << (32 - wi);
   1036 	/*
   1037 	 * XXX - the NGLE code calls this 'transfer data'
   1038 	 * in reality it's a bit mask applied per pixel,
   1039 	 * foreground colour in reg 35, bg in 36
   1040 	 */
   1041 	hyperfb_write4(sc, NGLE_REG_8, mask);
   1042 
   1043 	hyperfb_write4(sc, NGLE_REG_35, bg);
   1044 	/* dst XY */
   1045 	hyperfb_write4(sc, NGLE_REG_6, (x << 16) | y);
   1046 	/* len XY start */
   1047 	hyperfb_write4(sc, NGLE_REG_9, (wi << 16) | he);
   1048 }
   1049 
   1050 static void
   1051 hyperfb_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi,
   1052     int he, int rop)
   1053 {
   1054 	struct hyperfb_softc *sc = cookie;
   1055 
   1056 	if (sc->sc_hwmode != HW_BLIT) {
   1057 		hyperfb_wait(sc);
   1058 		hyperfb_write4(sc, NGLE_REG_10,
   1059 		    BA(IndexedDcd, Otc04, Ots08, AddrLong, 0, BINovly, 0));
   1060 		hyperfb_write4(sc, NGLE_REG_13, 0xff);
   1061 		sc->sc_hwmode = HW_BLIT;
   1062 	}
   1063 	hyperfb_wait_fifo(sc, 4);
   1064 	hyperfb_write4(sc, NGLE_REG_14, ((rop << 8) & 0xf00) | 0x23000000);
   1065 	/* IBOvals(rop, 0, BitmapExtent08, 1, DataDynamic, MaskOtc, 0, 0) */
   1066 	hyperfb_write4(sc, NGLE_REG_24, (xs << 16) | ys);
   1067 	hyperfb_write4(sc, NGLE_REG_7, (wi << 16) | he);
   1068 	hyperfb_write4(sc, NGLE_REG_25, (xd << 16) | yd);
   1069 }
   1070 
   1071 static void
   1072 hyperfb_nuke_cursor(struct rasops_info *ri)
   1073 {
   1074 	struct vcons_screen *scr = ri->ri_hw;
   1075 	struct hyperfb_softc *sc = scr->scr_cookie;
   1076 	int wi, he, x, y;
   1077 
   1078 	if (ri->ri_flg & RI_CURSOR) {
   1079 		wi = ri->ri_font->fontwidth;
   1080 		he = ri->ri_font->fontheight;
   1081 		x = ri->ri_ccol * wi + ri->ri_xorigin;
   1082 		y = ri->ri_crow * he + ri->ri_yorigin;
   1083 		hyperfb_bitblt(sc, x, y, x, y, wi, he, RopInv);
   1084 		ri->ri_flg &= ~RI_CURSOR;
   1085 	}
   1086 }
   1087 
   1088 static void
   1089 hyperfb_cursor(void *cookie, int on, int row, int col)
   1090 {
   1091 	struct rasops_info *ri = cookie;
   1092 	struct vcons_screen *scr = ri->ri_hw;
   1093 	struct hyperfb_softc *sc = scr->scr_cookie;
   1094 	int x, y, wi, he;
   1095 
   1096 	wi = ri->ri_font->fontwidth;
   1097 	he = ri->ri_font->fontheight;
   1098 
   1099 	if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
   1100 		if (on) {
   1101 			if (ri->ri_flg & RI_CURSOR) {
   1102 				hyperfb_nuke_cursor(ri);
   1103 			}
   1104 			x = col * wi + ri->ri_xorigin;
   1105 			y = row * he + ri->ri_yorigin;
   1106 			hyperfb_bitblt(sc, x, y, x, y, wi, he, RopInv);
   1107 			ri->ri_flg |= RI_CURSOR;
   1108 		}
   1109 		ri->ri_crow = row;
   1110 		ri->ri_ccol = col;
   1111 	} else {
   1112 		ri->ri_crow = row;
   1113 		ri->ri_ccol = col;
   1114 		ri->ri_flg &= ~RI_CURSOR;
   1115 	}
   1116 }
   1117 
   1118 static void
   1119 hyperfb_putchar(void *cookie, int row, int col, u_int c, long attr)
   1120 {
   1121 	struct rasops_info *ri = cookie;
   1122 	struct wsdisplay_font *font = PICK_FONT(ri, c);
   1123 	struct vcons_screen *scr = ri->ri_hw;
   1124 	struct hyperfb_softc *sc = scr->scr_cookie;
   1125 	int x, y, wi, he/*, rv = GC_NOPE*/;
   1126 	uint32_t bg;
   1127 
   1128 	if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
   1129 		return;
   1130 
   1131 	if (!CHAR_IN_FONT(c, font))
   1132 		return;
   1133 
   1134 	if (row == ri->ri_crow && col == ri->ri_ccol) {
   1135 		ri->ri_flg &= ~RI_CURSOR;
   1136 	}
   1137 
   1138 	wi = font->fontwidth;
   1139 	he = font->fontheight;
   1140 
   1141 	x = ri->ri_xorigin + col * wi;
   1142 	y = ri->ri_yorigin + row * he;
   1143 
   1144 	bg = ri->ri_devcmap[(attr >> 16) & 0xf];
   1145 
   1146 	if (c == 0x20) {
   1147 		hyperfb_rectfill(sc, x, y, wi, he, bg);
   1148 		return;
   1149 	}
   1150 
   1151 #if 0
   1152 	rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
   1153 	if (rv == GC_OK)
   1154 		return;
   1155 #endif
   1156 	if (sc->sc_hwmode != HW_FB) hyperfb_setup_fb(sc);
   1157 	sc->sc_putchar(cookie, row, col, c, attr);
   1158 #if 0
   1159 	if (rv == GC_ADD)
   1160 		glyphcache_add(&sc->sc_gc, c, x, y);
   1161 #endif
   1162 }
   1163 
   1164 static void
   1165 hyperfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
   1166 {
   1167 	struct rasops_info *ri = cookie;
   1168 	struct vcons_screen *scr = ri->ri_hw;
   1169 	struct hyperfb_softc *sc = scr->scr_cookie;
   1170 	int32_t xs, xd, y, width, height;
   1171 
   1172 	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
   1173 		if (ri->ri_crow == row &&
   1174 		   (ri->ri_ccol >= srccol && ri->ri_ccol < (srccol + ncols)) &&
   1175 		   (ri->ri_flg & RI_CURSOR)) {
   1176 			hyperfb_nuke_cursor(ri);
   1177 		}
   1178 
   1179 		xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
   1180 		xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
   1181 		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
   1182 		width = ri->ri_font->fontwidth * ncols;
   1183 		height = ri->ri_font->fontheight;
   1184 		hyperfb_bitblt(sc, xs, y, xd, y, width, height, RopSrc);
   1185 		if (ri->ri_crow == row &&
   1186 		   (ri->ri_ccol >= dstcol && ri->ri_ccol < (dstcol + ncols)))
   1187 			ri->ri_flg &= ~RI_CURSOR;
   1188 	}
   1189 }
   1190 
   1191 static void
   1192 hyperfb_erasecols(void *cookie, int row, int startcol, int ncols,
   1193     long fillattr)
   1194 {
   1195 	struct rasops_info *ri = cookie;
   1196 	struct vcons_screen *scr = ri->ri_hw;
   1197 	struct hyperfb_softc *sc = scr->scr_cookie;
   1198 	int32_t x, y, width, height, fg, bg, ul;
   1199 
   1200 	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
   1201 		x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
   1202 		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
   1203 		width = ri->ri_font->fontwidth * ncols;
   1204 		height = ri->ri_font->fontheight;
   1205 		rasops_unpack_attr(fillattr, &fg, &bg, &ul);
   1206 
   1207 		hyperfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
   1208 		if (ri->ri_crow == row &&
   1209 		    (ri->ri_ccol >= startcol &&
   1210 			ri->ri_ccol < (startcol + ncols)))
   1211 			ri->ri_flg &= ~RI_CURSOR;
   1212 	}
   1213 }
   1214 
   1215 static void
   1216 hyperfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
   1217 {
   1218 	struct rasops_info *ri = cookie;
   1219 	struct vcons_screen *scr = ri->ri_hw;
   1220 	struct hyperfb_softc *sc = scr->scr_cookie;
   1221 	int32_t x, ys, yd, width, height;
   1222 
   1223 	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
   1224 		if ((ri->ri_crow >= srcrow &&
   1225 			ri->ri_crow < (srcrow + nrows)) &&
   1226 		    (ri->ri_flg & RI_CURSOR)) {
   1227 			hyperfb_nuke_cursor(ri);
   1228 		}
   1229 		x = ri->ri_xorigin;
   1230 		ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
   1231 		yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
   1232 		width = ri->ri_emuwidth;
   1233 		height = ri->ri_font->fontheight * nrows;
   1234 		hyperfb_bitblt(sc, x, ys, x, yd, width, height, RopSrc);
   1235 		if (ri->ri_crow >= dstrow && ri->ri_crow < (dstrow + nrows))
   1236 			ri->ri_flg &= ~RI_CURSOR;
   1237 	}
   1238 }
   1239 
   1240 static void
   1241 hyperfb_eraserows(void *cookie, int row, int nrows, long fillattr)
   1242 {
   1243 	struct rasops_info *ri = cookie;
   1244 	struct vcons_screen *scr = ri->ri_hw;
   1245 	struct hyperfb_softc *sc = scr->scr_cookie;
   1246 	int32_t x, y, width, height, fg, bg, ul;
   1247 
   1248 	if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
   1249 		x = ri->ri_xorigin;
   1250 		y = ri->ri_yorigin + ri->ri_font->fontheight * row;
   1251 		width = ri->ri_emuwidth;
   1252 		height = ri->ri_font->fontheight * nrows;
   1253 		rasops_unpack_attr(fillattr, &fg, &bg, &ul);
   1254 
   1255 		hyperfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
   1256 
   1257 		if (ri->ri_crow >= row && ri->ri_crow < (row + nrows))
   1258 			ri->ri_flg &= ~RI_CURSOR;
   1259 	}
   1260 }
   1261 
   1262 static void
   1263 hyperfb_move_cursor(struct hyperfb_softc *sc, int x, int y)
   1264 {
   1265 	uint32_t pos;
   1266 
   1267 	sc->sc_cursor_x = x;
   1268 	x -= sc->sc_hot_x;
   1269 	sc->sc_cursor_y = y;
   1270 	y -= sc->sc_hot_y;
   1271 
   1272 	if (x < 0) x = 0x1000 - x;
   1273 	if (y < 0) y = 0x1000 - y;
   1274 	pos = (x << 16) | y;
   1275 	if (sc->sc_enabled) pos |= HCRX_ENABLE_CURSOR;
   1276 	hyperfb_wait_fifo(sc, 2);
   1277 	hyperfb_write4(sc, NGLE_REG_28, 0);
   1278 	hyperfb_write4(sc, NGLE_REG_29, pos);
   1279 }
   1280 
   1281 static int
   1282 hyperfb_do_cursor(struct hyperfb_softc *sc, struct wsdisplay_cursor *cur)
   1283 {
   1284 
   1285 	if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
   1286 
   1287 		sc->sc_enabled = cur->enable;
   1288 		cur->which |= WSDISPLAY_CURSOR_DOPOS;
   1289 	}
   1290 	if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
   1291 
   1292 		sc->sc_hot_x = cur->hot.x;
   1293 		sc->sc_hot_y = cur->hot.y;
   1294 		cur->which |= WSDISPLAY_CURSOR_DOPOS;
   1295 	}
   1296 	if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
   1297 
   1298 		hyperfb_move_cursor(sc, cur->pos.x, cur->pos.y);
   1299 	}
   1300 	if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
   1301 		uint32_t rgb;
   1302 		uint8_t r[2], g[2], b[2];
   1303 
   1304 		copyin(cur->cmap.blue, b, 2);
   1305 		copyin(cur->cmap.green, g, 2);
   1306 		copyin(cur->cmap.red, r, 2);
   1307 		mutex_enter(&sc->sc_hwlock);
   1308 		hyperfb_wait(sc);
   1309 		hyperfb_write4(sc, NGLE_REG_10, 0xBBE0F000);
   1310 		hyperfb_write4(sc, NGLE_REG_14, 0x03000300);
   1311 		hyperfb_write4(sc, NGLE_REG_13, 0xffffffff);
   1312 		hyperfb_wait(sc);
   1313 		hyperfb_write4(sc, NGLE_REG_3, 0);
   1314 		rgb = (r[0] << 16) | (g[0] << 8) | b[0];
   1315 		hyperfb_write4(sc, NGLE_REG_4, rgb);	/* BG */
   1316 		rgb = (r[1] << 16) | (g[1] << 8) | b[1];
   1317 		hyperfb_write4(sc, NGLE_REG_4, rgb);	/* FG */
   1318 		hyperfb_write4(sc, NGLE_REG_2, 0);
   1319 		hyperfb_write4(sc, NGLE_REG_38,
   1320 		    LBC_ENABLE | LBC_TYPE_CURSOR | 4);
   1321 
   1322 		hyperfb_setup_fb(sc);
   1323 		mutex_exit(&sc->sc_hwlock);
   1324 
   1325 	}
   1326 	if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
   1327 		uint32_t buffer[128], latch, tmp;
   1328 		int i;
   1329 
   1330 		copyin(cur->mask, buffer, 512);
   1331 		hyperfb_wait(sc);
   1332 		hyperfb_write4(sc, NGLE_REG_30, 0);
   1333 		for (i = 0; i < 128; i += 2) {
   1334 			latch = 0;
   1335 			tmp = buffer[i] & 0x80808080;
   1336 			latch |= tmp >> 7;
   1337 			tmp = buffer[i] & 0x40404040;
   1338 			latch |= tmp >> 5;
   1339 			tmp = buffer[i] & 0x20202020;
   1340 			latch |= tmp >> 3;
   1341 			tmp = buffer[i] & 0x10101010;
   1342 			latch |= tmp >> 1;
   1343 			tmp = buffer[i] & 0x08080808;
   1344 			latch |= tmp << 1;
   1345 			tmp = buffer[i] & 0x04040404;
   1346 			latch |= tmp << 3;
   1347 			tmp = buffer[i] & 0x02020202;
   1348 			latch |= tmp << 5;
   1349 			tmp = buffer[i] & 0x01010101;
   1350 			latch |= tmp << 7;
   1351 			hyperfb_write4(sc, NGLE_REG_31, latch);
   1352 			latch = 0;
   1353 			tmp = buffer[i + 1] & 0x80808080;
   1354 			latch |= tmp >> 7;
   1355 			tmp = buffer[i + 1] & 0x40404040;
   1356 			latch |= tmp >> 5;
   1357 			tmp = buffer[i + 1] & 0x20202020;
   1358 			latch |= tmp >> 3;
   1359 			tmp = buffer[i + 1] & 0x10101010;
   1360 			latch |= tmp >> 1;
   1361 			tmp = buffer[i + 1] & 0x08080808;
   1362 			latch |= tmp << 1;
   1363 			tmp = buffer[i + 1] & 0x04040404;
   1364 			latch |= tmp << 3;
   1365 			tmp = buffer[i + 1] & 0x02020202;
   1366 			latch |= tmp << 5;
   1367 			tmp = buffer[i + 1] & 0x01010101;
   1368 			latch |= tmp << 7;
   1369 			hyperfb_write4(sc, NGLE_REG_31, latch);
   1370 		}
   1371 
   1372 		copyin(cur->image, buffer, 512);
   1373 		hyperfb_wait(sc);
   1374 		hyperfb_write4(sc, NGLE_REG_30, 0x80);
   1375 		for (i = 0; i < 128; i += 2) {
   1376 			latch = 0;
   1377 			tmp = buffer[i] & 0x80808080;
   1378 			latch |= tmp >> 7;
   1379 			tmp = buffer[i] & 0x40404040;
   1380 			latch |= tmp >> 5;
   1381 			tmp = buffer[i] & 0x20202020;
   1382 			latch |= tmp >> 3;
   1383 			tmp = buffer[i] & 0x10101010;
   1384 			latch |= tmp >> 1;
   1385 			tmp = buffer[i] & 0x08080808;
   1386 			latch |= tmp << 1;
   1387 			tmp = buffer[i] & 0x04040404;
   1388 			latch |= tmp << 3;
   1389 			tmp = buffer[i] & 0x02020202;
   1390 			latch |= tmp << 5;
   1391 			tmp = buffer[i] & 0x01010101;
   1392 			latch |= tmp << 7;
   1393 			hyperfb_write4(sc, NGLE_REG_31, latch);
   1394 			latch = 0;
   1395 			tmp = buffer[i + 1] & 0x80808080;
   1396 			latch |= tmp >> 7;
   1397 			tmp = buffer[i + 1] & 0x40404040;
   1398 			latch |= tmp >> 5;
   1399 			tmp = buffer[i + 1] & 0x20202020;
   1400 			latch |= tmp >> 3;
   1401 			tmp = buffer[i + 1] & 0x10101010;
   1402 			latch |= tmp >> 1;
   1403 			tmp = buffer[i + 1] & 0x08080808;
   1404 			latch |= tmp << 1;
   1405 			tmp = buffer[i + 1] & 0x04040404;
   1406 			latch |= tmp << 3;
   1407 			tmp = buffer[i + 1] & 0x02020202;
   1408 			latch |= tmp << 5;
   1409 			tmp = buffer[i + 1] & 0x01010101;
   1410 			latch |= tmp << 7;
   1411 			hyperfb_write4(sc, NGLE_REG_31, latch);
   1412 		}
   1413 		hyperfb_setup_fb(sc);
   1414 	}
   1415 
   1416 	return 0;
   1417 }
   1418