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qv.c revision 1.32
      1 /*$Header: /tank/opengrok/rsync2/NetBSD/src/sys/arch/vax/uba/qv.c,v 1.32 2016/07/07 06:55:39 msaitoh Exp $*/
      2 /*
      3  * Copyright (c) 2015 Charles H. Dickman. All rights reserved.
      4  * Derived from smg.c
      5  * Copyright (c) 1998 Ludd, University of Lule}, Sweden.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed at Ludd, University of
     19  *	Lule}, Sweden and its contributors.
     20  * 4. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 /*       1         2         3         4         5         6         7        */
     35 /*3456789012345678901234567890123456789012345678901234567890123456789012345678*/
     36 
     37 #include <sys/cdefs.h>
     38 __KERNEL_RCSID(0, "$Header: /tank/opengrok/rsync2/NetBSD/src/sys/arch/vax/uba/qv.c,v 1.32 2016/07/07 06:55:39 msaitoh Exp $");
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/callout.h>
     43 #include <sys/conf.h>
     44 #include <sys/cpu.h>
     45 #include <sys/device.h>
     46 #include <sys/kernel.h>
     47 #include <sys/malloc.h>
     48 #include <sys/extent.h>		/***/
     49 #include <sys/time.h>
     50 #include <sys/bus.h>
     51 #include <vax/include/pte.h>                /* temporary */
     52 #include <machine/sid.h>
     53 #include <dev/cons.h>
     54 #include <dev/qbus/ubavar.h>
     55 #include <dev/wscons/wsdisplayvar.h>
     56 #include <dev/wscons/wsconsio.h>
     57 #include <dev/wscons/wscons_callbacks.h>
     58 #include <dev/wsfont/wsfont.h>
     59 #include <dev/wsfb/genfbvar.h>
     60 #include <vax/include/sgmap.h> /***/
     61 
     62 #include "uba_common.h"		/***/
     63 #include "qv.h"
     64 #include "qv_ic.h"
     65 #include "qvaux.h"
     66 #include "opt_wsfont.h"
     67 
     68 #define QMEMBASE        0x30000000
     69 #define QVSIZE          0x40000
     70 #define QV_SCANMAP      0x3F800
     71 #define QV_CURSRAM      0x3FFE0
     72 
     73 #define QV_CSR          0
     74 #define QV_CSR_1        (1 << 2)
     75 #define QV_CSR_2        (1 << 3)
     76 #define QV_CSR_BANK     (15 << 11)
     77 #define QV_CUR_X        2
     78 #define QV_CRTC_AR      8
     79 #define QV_CRTC_DR      10
     80 #define QV_IC           12
     81 #define QV_ICDR         QV_ICDR
     82 #define QV_ICSR         (QV_ICDR + 2)
     83 
     84 /* Screen hardware defs */
     85 #define QV_COLS		128	/* char width of screen */
     86 #define QV_ROWS		57	/* rows of char on screen */
     87 #define QV_CHEIGHT	15	/* lines a char consists of */
     88 #define QV_NEXTROW	(QV_COLS * QV_CHEIGHT)
     89 #define	QV_YWIDTH	864
     90 #define QV_XWIDTH	1024
     91 
     92 /* hardware cursor */
     93 #define CUR_BLINKN      0x00
     94 #define CUR_BLANK       0x20
     95 #define CUR_BLINKS      0x40
     96 #define CUR_BLINKF      0x60
     97 #define CUR_BLINKM      0x60
     98 #define CUR_OFF         CUR_BLANK
     99 #define CUR_ON          CUR_BLINKS
    100 #define CUR_START       10
    101 #define CUR_END         11
    102 #define CUR_HI          14
    103 #define CUR_LO          15
    104 
    105 //static	uint16_t curcmd, curx, cury, hotX, hotY;
    106 static	int     bgmask, fgmask;
    107 
    108 static	int     qv_match(device_t, cfdata_t, void *);
    109 static	void    qv_attach(device_t, device_t, void *);
    110 
    111 static void	qv_cursor(void *, int, int, int);
    112 static int	qv_mapchar(void *, int, unsigned int *);
    113 static void	qv_putchar(void *, int, int, u_int, long);
    114 static void	qv_copycols(void *, int, int, int,int);
    115 static void	qv_erasecols(void *, int, int, int, long);
    116 static void	qv_copyrows(void *, int, int, int);
    117 static void	qv_eraserows(void *, int, int, long);
    118 static int	qv_allocattr(void *, int, int, int, long *);
    119 
    120 const struct wsdisplay_emulops qv_emulops = {
    121 	.cursor = qv_cursor,
    122 	.mapchar = qv_mapchar,
    123 	.putchar = qv_putchar,
    124 	.copycols = qv_copycols,
    125 	.erasecols = qv_erasecols,
    126 	.copyrows = qv_copyrows,
    127 	.eraserows = qv_eraserows,
    128 	.allocattr = qv_allocattr
    129 };
    130 
    131 struct _wsscreen_descr {
    132         const struct wsscreen_descr qv_stdscreen;       /* MUST BE FIRST */
    133         const uint16_t qv_crtc_param[16];
    134 };
    135 
    136 /*
    137  * Notes from the original Ultrix drivers
    138  *
    139  * Screen controller initialization parameters. The definations [sic] and use
    140  * of these parameters can be found in the Motorola 68045 [sic] crtc specs. In
    141  * essence they set the display parameters for the chip. The first set is
    142  * for the 15" screen and the second is for the 19" separate sync. There
    143  * is also a third set for a 19" composite sync monitor which we have not
    144  * tested and which is not supported.
    145  */
    146 
    147 const struct _wsscreen_descr qv_stdscreen[] = {
    148         { { "80x30", 80, 30, &qv_emulops, 8,
    149                 QV_CHEIGHT, WSSCREEN_UNDERLINE|WSSCREEN_REVERSE },
    150             { 31, 25, 27, 0142, 31, 13, 30, 31, 4, 15, 040, 0, 0, 0, 0, 0 } },
    151         { { "120x55", 120, 55, &qv_emulops, 8,
    152                 QV_CHEIGHT, WSSCREEN_UNDERLINE|WSSCREEN_REVERSE },
    153             { 39, 30, 32, 0262, 55, 5, 54, 54, 4, 15, 040, 0, 0, 0, 0, 0 } },
    154         { { "128x57", QV_COLS, QV_ROWS, &qv_emulops, 8,
    155                 QV_CHEIGHT, WSSCREEN_UNDERLINE|WSSCREEN_REVERSE },
    156             { 39, 32, 33, 0264, 56, 5, 54, 54, 4, 15, 040, 0, 0, 0, 0, 0 } },
    157 };
    158 
    159 const struct wsscreen_descr *_qv_scrlist[] = {
    160 	&qv_stdscreen[2].qv_stdscreen,	/* default */
    161 	&qv_stdscreen[1].qv_stdscreen,
    162 	&qv_stdscreen[0].qv_stdscreen,
    163 };
    164 
    165 const struct wsscreen_list qv_screenlist = {
    166 	.nscreens = __arraycount(_qv_scrlist),
    167 	.screens = _qv_scrlist,
    168 };
    169 
    170 struct qv_softc {
    171         device_t sc_dev;                /* device pointer */
    172         bus_space_tag_t sc_iot;         /* register base */
    173         bus_space_handle_t sc_ioh;
    174         bus_space_tag_t sc_fbt;         /* frame buffer base */
    175         bus_space_handle_t sc_fbh;
    176         paddr_t sc_fbphys;              /* frame buffer phys addr */
    177         char *sc_fb;                    /* frame buffer virt addr */
    178 	uint16_t *sc_scanmap;		/* scan map virt addr */
    179         char *sc_font;                  /* font glyph table */
    180 
    181         uint8_t sc_curon;               /* cursor on */
    182         uint16_t sc_curx;               /* cursor x position */
    183         uint16_t sc_cury;               /* cursor y position */
    184         uint16_t sc_curhotX;            /* cursor x hot spot */
    185         uint16_t sc_curhotY;            /* cursor y hot spot */
    186 
    187         struct qv_screen *sc_curscr;    /* current screen */
    188 };
    189 
    190 #if 0
    191 struct genfb_qv_softc {
    192 	struct genfb_softc      sc_gen;
    193 	bus_space_tag_t         sc_iot;
    194 	bus_space_handle_t	sc_ioh;
    195 	uint32_t		sc_wstype;
    196 };
    197 #endif
    198 
    199 static void     qv_crtc_wr(struct qv_softc *, uint16_t, uint16_t);
    200 static void     qv_setcrtc(struct qv_softc *, const uint16_t *);
    201 
    202 static int	qv_ioctl(void *, void *, u_long, void *, int, struct lwp *);
    203 static paddr_t	qv_mmap(void *, void *, off_t, int);
    204 static int	qv_alloc_screen(void *, const struct wsscreen_descr *,
    205                          void **, int *, int *, long *);
    206 static void	qv_free_screen(void *, void *);
    207 static int	qv_show_screen(void *, void *, int,
    208 				     void (*) (void *, int, int), void *);
    209 //static void	qv_crsr_blink(void *);
    210 
    211 int             qvauxprint(void *, const char *);
    212 
    213 const struct wsdisplay_accessops qv_accessops = {
    214 	.ioctl = qv_ioctl,
    215 	.mmap = qv_mmap,
    216 	.alloc_screen = qv_alloc_screen,
    217 	.free_screen = qv_free_screen,
    218 	.show_screen = qv_show_screen,
    219 };
    220 
    221 struct	qv_screen {
    222         struct qv_softc *ss_sc;
    223         const struct wsscreen_descr *ss_type;
    224 	int	        ss_curx;
    225 	int	        ss_cury;
    226 	u_char	        ss_image[QV_ROWS][QV_COLS];	/* Image of screen */
    227 	u_char	        ss_attr[QV_ROWS][QV_COLS];	/* Reversed etc... */
    228 };
    229 
    230 static	struct qv_screen qv_conscreen; /* XXX no console support */
    231 
    232 static	callout_t qv_cursor_ch;
    233 
    234 CFATTACH_DECL_NEW(qv, sizeof(struct qv_softc),
    235     qv_match, qv_attach, NULL, NULL);
    236 #if 0
    237 static int	genfb_match_qv(device_t, cfdata_t, void *);
    238 static void	genfb_attach_qv(device_t, device_t, void *);
    239 static int	genfb_ioctl_qv(void *, void *, u_long, void *, int,
    240     struct lwp*);
    241 static paddr_t	genfb_mmap_qv(void *, void *, off_t, int);
    242 static int      genfb_borrow_qv(void *, bus_addr_t, bus_space_handle_t *);
    243 
    244 CFATTACH_DECL_NEW(genfb_qv, sizeof(struct genfb_qv_softc),
    245     genfb_match_qv, genfb_attach_qv, NULL, NULL);
    246 #endif
    247 
    248 /*
    249  * autoconf match function
    250  */
    251 int
    252 qv_match(device_t parent, cfdata_t match, void *aux)
    253 {
    254         struct uba_attach_args *ua = aux;
    255         struct uba_softc *uh = device_private(parent);
    256 
    257         /* set up interrupts so the vector can be detected */
    258 
    259  	/* initialize qv interrupt controller */
    260  	qv_ic_init(ua, QV_IC);
    261 
    262         /* set vertical retrace interrupt */
    263         qv_ic_setvec(ua, QV_IC, QV_SYNC_VEC, uh->uh_lastiv - 4);
    264         qv_ic_enable(ua, QV_IC, QV_SYNC_VEC, QV_IC_ENA);
    265         qv_ic_arm(ua, QV_IC, QV_SYNC_VEC);
    266 
    267         /* enable interrupts */
    268 	bus_space_write_2(ua->ua_iot, ua->ua_ioh, QV_CSR,
    269 	        bus_space_read_2(ua->ua_iot, ua->ua_ioh, QV_CSR) | (1 << 6));
    270 
    271         qv_ic_force(ua, QV_IC, QV_SYNC_VEC);
    272 
    273 	DELAY(20000);
    274 
    275         /* disable interrupts */
    276         qv_ic_enable(ua, QV_IC, QV_SYNC_VEC, QV_IC_DIS);
    277 
    278         return 1;
    279 }
    280 
    281 /* controller register write helper function */
    282 static inline void
    283 qv_reg_wr(struct qv_softc *sc, uint16_t addr, uint16_t data)
    284 {
    285         bus_space_write_2(sc->sc_iot, sc->sc_ioh, addr, data);
    286 }
    287 
    288 /* controller register read helper function */
    289 static inline uint16_t
    290 qv_reg_rd(struct qv_softc *sc, uint16_t addr)
    291 {
    292         return bus_space_read_2(sc->sc_iot, sc->sc_ioh, addr);
    293 }
    294 
    295 /*
    296  * write a 6845 CRT controller register
    297  */
    298 static  void
    299 qv_crtc_wr(struct qv_softc *sc, uint16_t addr, uint16_t data)
    300 {
    301         qv_reg_wr(sc, QV_CRTC_AR, addr);
    302         qv_reg_wr(sc, QV_CRTC_DR, data);
    303 }
    304 
    305 /*
    306  * write a set of a set of video timing parameters to the CRTC
    307  */
    308 static void
    309 qv_setcrtc(struct qv_softc *sc, const uint16_t *pp)
    310 {
    311         int i;
    312 
    313         for (i = 0; i < 14; i++)
    314                 qv_crtc_wr(sc, i, pp[i]);
    315 }
    316 
    317 static void inline
    318 qv_ic_write(struct uba_attach_args *ua, bus_size_t offs, uint16_t value)
    319 {
    320         bus_space_write_2(ua->ua_iot, ua->ua_ioh, offs, value);
    321 }
    322 
    323 void
    324 qv_ic_init(struct uba_attach_args *ua, bus_size_t offs)
    325 {
    326         static int initted;
    327         int i;
    328 
    329         if (!initted) {
    330 		/* init the interrupt controller */
    331 	        qv_ic_write(ua, QV_IC_SR + offs, QV_IC_RESET);
    332 		/* reset irr			 */
    333 	        qv_ic_write(ua, QV_IC_SR + offs, QV_IC_CLRIRR);
    334 		/* specify individual vectors	 */
    335 	        qv_ic_write(ua, QV_IC_SR + offs, QV_IC_MODE);
    336 		/* preset autoclear data	 */
    337 	        qv_ic_write(ua, QV_IC_SR + offs, QV_IC_ACREG);
    338 		/* all setup as autoclear	 */
    339 	        qv_ic_write(ua, QV_IC_DR + offs, 0xff);
    340 
    341 		/* clear all vector addresses */
    342                 for (i = 0; i < 8; i++)
    343                         qv_ic_setvec(ua, offs, i, 0);
    344 
    345                 initted = 1;
    346         }
    347 }
    348 
    349 void
    350 qv_ic_setvec(struct uba_attach_args *ua, bus_size_t offs, int ic_vec,
    351     int vecnum)
    352 {
    353 	/* preset vector address	*/
    354 	qv_ic_write(ua, QV_IC_SR + offs, QV_IC_RMEM | RMEM_BC_1 | ic_vec);
    355 
    356 	/* give it the vector number	*/
    357 	qv_ic_write(ua, QV_IC_DR + offs, vecnum);
    358 }
    359 
    360 void
    361 qv_ic_enable(struct uba_attach_args *ua, bus_size_t offs, int ic_vec,
    362     int enable)
    363 {
    364         if (enable)
    365 		/* enable the interrupt */
    366 	        qv_ic_write(ua, QV_IC_SR + offs, QV_IC_CIMR | ic_vec);
    367         else
    368 		/* disable the interrupt */
    369 	        qv_ic_write(ua, QV_IC_SR + offs, QV_IC_SIMR | ic_vec);
    370 }
    371 
    372 void
    373 qv_ic_arm(struct uba_attach_args *ua, bus_size_t offs, int arm)
    374 {
    375         if (arm)
    376 		/* arm the interrupt ctrl	*/
    377                 qv_ic_write(ua, QV_IC_SR + offs, QV_IC_ARM);
    378         else
    379 		/* disarm the interrupt ctrl	*/
    380                 qv_ic_write(ua, QV_IC_SR + offs, QV_IC_DISARM);
    381 }
    382 
    383 void
    384 qv_ic_force(struct uba_attach_args *ua, bus_size_t offs, int ic_vec)
    385 {
    386 	/* force an interrupt	*/
    387 	qv_ic_write(ua, QV_IC_SR + offs, QV_IC_SIRR | ic_vec);
    388 }
    389 
    390 /*
    391  * print attachment message
    392  */
    393 int
    394 qvauxprint(void *aux, const char *pnp)
    395 {
    396         if (pnp) {
    397                 aprint_normal("qvaux at %s", pnp);
    398                 return (UNCONF);
    399         }
    400         return 0;
    401 }
    402 
    403 /*
    404  * autoconf attach function
    405  */
    406 void
    407 qv_attach(device_t parent, device_t self, void *aux)
    408 {
    409         struct qv_softc *sc = device_private(self);
    410         struct uba_softc *uh = device_private(parent);
    411         struct uba_attach_args *ua = aux;
    412         struct uba_attach_args aa;
    413 	int fcookie;
    414         struct wsemuldisplaydev_attach_args emulaa;
    415 //        struct wsdisplaydev_attach_args dispaa;
    416         struct wsdisplay_font *console_font;
    417 	int line;
    418 
    419         sc->sc_dev = self;
    420         sc->sc_iot = ua->ua_iot;
    421         sc->sc_ioh = ua->ua_ioh;
    422         sc->sc_fbt = sc->sc_iot;
    423         sc->sc_fbphys = QMEMBASE + ((qv_reg_rd(sc, QV_CSR) & QV_CSR_BANK) << 7);
    424 	if (bus_space_map(sc->sc_fbt, sc->sc_fbphys, QVSIZE,
    425 			BUS_SPACE_MAP_LINEAR, &sc->sc_fbh)) {
    426 		aprint_error_dev(self, "Couldn't alloc graphics memory.\n");
    427 		return;
    428 	}
    429 
    430 	aprint_normal(": fb %8lo", sc->sc_fbphys & 0x3fffff);
    431 	sc->sc_fb = bus_space_vaddr(sc->sc_fbt, sc->sc_fbh);
    432 	sc->sc_scanmap = (uint16_t *)&sc->sc_fb[QV_SCANMAP];
    433 #if 0
    434 	if (extent_alloc_region(((struct uba_vsoftc*)uh)->uv_sgmap.aps_ex,
    435 			sc->sc_fbphys & 0x3fffff, QVSIZE, EX_NOWAIT)) {
    436 		aprint_error_dev(self,
    437 			"Couldn't alloc graphics memory in sgmap.\n");
    438 		return;
    439 	}
    440 #endif
    441 	//aprint_normal(": fb 0x%08lx", sc->sc_fbphys & 0x3fffff);
    442 
    443 	bzero(sc->sc_fb, QVSIZE);
    444 
    445 	for (line = 0; line < QV_YWIDTH; line++) {
    446 	        sc->sc_scanmap[line] = line;
    447 	}
    448 
    449         /* program crtc */
    450         qv_setcrtc(sc, qv_stdscreen[2].qv_crtc_param);
    451 
    452         /* enable video output */
    453         qv_reg_wr(sc, QV_CSR, qv_reg_rd(sc, QV_CSR) | (1 << 2) | (1 << 3));
    454 #if 0
    455 	if (sc->sc_curscr == NULL)
    456 		callout_init(&qv_cursor_ch, 0);
    457 	sc->sc_curscr = &qv_conscreen;
    458 
    459 	callout_reset(&qv_cursor_ch, hz / 2, qv_crsr_blink, sc);
    460 #endif
    461         /* interrupt handlers - XXX */
    462 
    463         uh->uh_lastiv -= 4;
    464 
    465         wsfont_init();
    466 	if ((fcookie = wsfont_find(NULL, 8, 15, 0, WSDISPLAY_FONTORDER_R2L,
    467 	    WSDISPLAY_FONTORDER_L2R, WSFONT_FIND_BITMAP)) < 0) {
    468 		aprint_error_dev(self, "could not find 8x15 font\n");
    469 		return;
    470 	}
    471 	if (wsfont_lock(fcookie, &console_font) != 0) {
    472 		aprint_error_dev(self, "could not lock 8x15 font\n");
    473 		return;
    474 	}
    475 	sc->sc_font = console_font->data;
    476 
    477         aprint_normal("\n");
    478 
    479 	aa.ua_iot = ua->ua_iot;
    480 	aa.ua_ioh = ua->ua_ioh + 32; // offset
    481 	aa.ua_cvec = ua->ua_cvec - 4;
    482 	if (config_search_ia(NULL, self, "qv", &aa) != NULL) {
    483 	        config_found_ia(self, "qv", &aa, qvauxprint);
    484                 uh->uh_lastiv -= 4;
    485 	}
    486 
    487 	emulaa.console = 0; /* Not console */
    488 	emulaa.scrdata = &qv_screenlist;
    489 	emulaa.accessops = &qv_accessops;
    490 	emulaa.accesscookie = self;
    491 	if (config_search_ia(NULL, self, "wsemuldisplaydev", &emulaa) != NULL) {
    492 	        config_found_ia(self, "wsemuldisplaydev", &emulaa,
    493 	            wsemuldisplaydevprint);
    494 	}
    495 
    496         //console_debugger();
    497 	return;
    498 }
    499 
    500 /* QVSS frame buffer */
    501 
    502 /*      uint_32 is stored little endian in frame buffer */
    503 /*      bits are stored little endian in frame buffer   */
    504 
    505 /*      uint_32 *fb;                                     */
    506 /*      fb = (int *)phystova(0x303c0000);                */
    507 /*      *fb = 0x00000001; */ /* sets bit in first column */
    508 
    509 /* Frame Buffer Usage */
    510 
    511 /* characters are 8 bits wide and QVHEIGHT high */
    512 /* the scan map is allocated in terms of character height, */
    513 /* so a pointer to the top line of a character can step to the */
    514 /* next row without looking up the memory location in the scan map */
    515 
    516 static	char *cursor;
    517 static	int cur_on;
    518 
    519 /*
    520  * return pointer to line in character glyph
    521  */
    522 static inline char *
    523 qv_font(struct qv_softc *sc, int c, int line)
    524 {
    525         /* map char to font table offset */
    526         if (c < 32)
    527                 c = 32;
    528         else if (c > 127)
    529                 c -= 66;
    530         else
    531                 c -= 32;
    532 
    533         /* return pointer line in font glyph */
    534         return &sc->sc_font[c*QV_CHEIGHT + line];
    535 }
    536 
    537 /*
    538  * return pointer to character line in frame buffer
    539  */
    540 static inline char *
    541 qv_fbp(struct qv_softc *sc, int row, int col, int line)
    542 {
    543         return &sc->sc_fb[col + sc->sc_scanmap[row*QV_CHEIGHT + line]*QV_COLS];
    544 }
    545 
    546 /*
    547  * callout callback function to blink cursor
    548  */
    549 #if 0
    550 static void
    551 qv_crsr_blink(void *arg)
    552 {
    553         struct qv_softc *sc = arg;
    554 
    555 	if (cur_on)
    556 		*cursor ^= 255;
    557 	callout_reset(&qv_cursor_ch, hz / 2, qv_crsr_blink, sc);
    558 }
    559 #endif
    560 /*
    561  * emulop cursor
    562  */
    563 void
    564 qv_cursor(void *id, int on, int row, int col)
    565 {
    566 	struct qv_screen * const ss = id;
    567 
    568 	if (ss == ss->ss_sc->sc_curscr) {
    569 		*qv_fbp(ss->ss_sc, ss->ss_cury, ss->ss_curx, 14)
    570 		    = *qv_font(ss->ss_sc,
    571 		        ss->ss_image[ss->ss_cury][ss->ss_curx], 14);
    572 		cursor = qv_fbp(ss->ss_sc, row, col, 14);
    573 		if ((cur_on = on))
    574 			*cursor ^= 255;
    575 	}
    576 	ss->ss_curx = col;
    577 	ss->ss_cury = row;
    578 }
    579 
    580 /*
    581  * emulop mapchar
    582  */
    583 int
    584 qv_mapchar(void *id, int uni, unsigned int *index)
    585 {
    586 	if (uni < 256) {
    587 		*index = uni;
    588 		return (5);
    589 	}
    590 	*index = ' ';
    591 	return (0);
    592 }
    593 
    594 /*
    595  * emulop putchar
    596  */
    597 static void
    598 qv_putchar(void *id, int row, int col, u_int c, long attr)
    599 {
    600 	struct qv_screen * const ss = id;
    601 	int i;
    602         char *gp;
    603         char *fp;
    604         char rvid;
    605 
    606 	c &= 0xff;
    607 
    608 	ss->ss_image[row][col] = c;
    609 	ss->ss_attr[row][col] = attr;
    610 	if (ss != ss->ss_sc->sc_curscr)
    611 		return;
    612 
    613         gp = qv_font(ss->ss_sc, c, 0);
    614         fp = qv_fbp(ss->ss_sc, row, col, 0);
    615         rvid = (attr & WSATTR_REVERSE) ? 0xff : 0x00;
    616         for (i = 0; i < QV_CHEIGHT; i++) {
    617                 *fp = *gp++ ^ rvid;
    618                 fp += QV_COLS;
    619         }
    620 
    621 	if (attr & WSATTR_UNDERLINE)
    622 	        *qv_fbp(ss->ss_sc, row, col, 14)
    623 	            ^= *qv_fbp(ss->ss_sc, row, col, 14);
    624 }
    625 
    626 /*
    627  * emulop copy columns - copies columns inside a row
    628  */
    629 static void
    630 qv_copycols(void *id, int row, int srccol, int dstcol, int ncols)
    631 {
    632 	struct qv_screen * const ss = id;
    633 	int i;
    634 
    635 	memcpy(&ss->ss_image[row][dstcol], &ss->ss_image[row][srccol], ncols);
    636 	memcpy(&ss->ss_attr[row][dstcol], &ss->ss_attr[row][srccol], ncols);
    637 	if (ss != ss->ss_sc->sc_curscr)
    638 		return;
    639 	for (i = 0; i < QV_CHEIGHT; i++)
    640 	        memcpy(qv_fbp(ss->ss_sc, row, dstcol, i),
    641 	            qv_fbp(ss->ss_sc, row, srccol, i), ncols);
    642 }
    643 
    644 /*
    645  * emulop erase columns - erases a bunch of chars inside one row
    646  */
    647 static void
    648 qv_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
    649 {
    650 	struct qv_screen * const ss = id;
    651 	int i;
    652 
    653 	memset(&ss->ss_image[row][startcol], 0, ncols);
    654 	memset(&ss->ss_attr[row][startcol], 0, ncols);
    655 	if (ss != ss->ss_sc->sc_curscr)
    656 		return;
    657 	for (i = 0; i < QV_CHEIGHT; i++)
    658 	        memset(qv_fbp(ss->ss_sc, row, startcol, i), 0, ncols);
    659 }
    660 
    661 /*
    662  * overlap check
    663  * return 0 if no overlap
    664  *        -1 if overlap and dst is less than src (move up)
    665  * 	  +1 if overlap and src is less than dst (move down)
    666  */
    667 static inline int
    668 qv_rows_overlap(int srcrow, int dstrow, int nrows)
    669 {
    670 	if (dstrow < srcrow) {
    671 		if (dstrow + nrows <= srcrow)
    672 			return 0;
    673 		else
    674 			return -1;
    675 	}
    676 	else {
    677 		if (srcrow + nrows <= dstrow)
    678 			return 0;
    679 		else
    680 			return 1;
    681 	}
    682 }
    683 
    684 /*
    685  * emulop copyrows - copy entire rows
    686  */
    687 static void
    688 qv_copyrows(void *id, int srcrow, int dstrow, int nrows)
    689 {
    690 	struct qv_screen * const ss = id;
    691 	int ol;
    692 	int n;
    693 	int line;
    694 	int tmp;
    695 	uint16_t *sp;
    696 	uint16_t *dp;
    697 
    698 	memcpy(&ss->ss_image[dstrow][0], &ss->ss_image[srcrow][0],
    699 	    nrows * QV_COLS);
    700 	memcpy(&ss->ss_attr[dstrow][0], &ss->ss_attr[srcrow][0],
    701 	    nrows * QV_COLS);
    702 	if (ss != ss->ss_sc->sc_curscr)
    703 		return;
    704 
    705 	ol = qv_rows_overlap(srcrow, dstrow, nrows);
    706 	if (ol == 0)
    707 		for (n = 0; n < nrows; n++)
    708 			bcopy(qv_fbp(ss->ss_sc, srcrow + n, 0, 0),
    709 	    		    qv_fbp(ss->ss_sc, dstrow + n, 0, 0), QV_NEXTROW);
    710 	else if (ol < 0) {
    711 	 	for (n = 0; n < nrows; n++) {
    712 			dp = &ss->ss_sc->sc_scanmap[(dstrow + n)*QV_CHEIGHT];
    713 			sp = &ss->ss_sc->sc_scanmap[(srcrow + n)*QV_CHEIGHT];
    714 			for (line = 0; line < QV_CHEIGHT; line++) {
    715 				tmp = *dp;
    716 				*dp = *sp;
    717 				*sp = tmp;
    718 				dp++;
    719 				sp++;
    720 			}
    721 		}
    722 		qv_copyrows(id, dstrow + nrows - srcrow + dstrow,
    723 		    dstrow + nrows, srcrow - dstrow);
    724 	}
    725 	else {
    726 	 	for (n = nrows - 1; n >= 0; n--) {
    727 			dp = &ss->ss_sc->sc_scanmap[(dstrow + n)*QV_CHEIGHT];
    728 			sp = &ss->ss_sc->sc_scanmap[(srcrow + n)*QV_CHEIGHT];
    729 			for (line = 0; line < QV_CHEIGHT; line++) {
    730 				tmp = *dp;
    731 				*dp = *sp;
    732 				*sp = tmp;
    733 				dp++;
    734 				sp++;
    735 			}
    736 		}
    737 		qv_copyrows(id, srcrow, dstrow, dstrow - srcrow);
    738 	}
    739 }
    740 
    741 /*
    742  * emulop eraserows - erase a number of entire rows
    743  */
    744 static void
    745 qv_eraserows(void *id, int startrow, int nrows, long fillattr)
    746 {
    747 	struct qv_screen * const ss = id;
    748 	int row;
    749 
    750 	memset(&ss->ss_image[startrow][0], 0, nrows * QV_COLS);
    751 	memset(&ss->ss_attr[startrow][0], 0, nrows * QV_COLS);
    752 	if (ss != ss->ss_sc->sc_curscr)
    753 		return;
    754 
    755 	for (row = startrow; row < startrow + nrows; row++) {
    756 	        memset(qv_fbp(ss->ss_sc, row, 0, 0), 0, QV_NEXTROW);
    757 	}
    758 }
    759 
    760 /*
    761  * emulop allocattr
    762  */
    763 static int
    764 qv_allocattr(void *id, int fg, int bg, int flags, long *attrp)
    765 {
    766 	*attrp = flags;
    767 	return 0;
    768 }
    769 
    770 /*
    771  * emulop setcursor
    772  */
    773 static void
    774 qv_setcursor(struct qv_softc *sc, struct wsdisplay_cursor *v)
    775 {
    776 	uint16_t red, green, blue;
    777 	uint32_t curfg[16], curmask[16];
    778 	uint16_t *curp;
    779 	int i;
    780 
    781 	/* Enable cursor */
    782 	if (v->which & WSDISPLAY_CURSOR_DOCUR) {
    783 	        sc->sc_curon = (v->enable) ? CUR_ON : CUR_OFF;
    784 	        qv_crtc_wr(sc, CUR_START, sc->sc_curon | (sc->sc_cury & 0x0f));
    785 	}
    786 	if (v->which & WSDISPLAY_CURSOR_DOHOT) {
    787 		sc->sc_curhotX = v->hot.x;
    788 		sc->sc_curhotY = v->hot.y;
    789 	}
    790 	if (v->which & WSDISPLAY_CURSOR_DOCMAP) {
    791 		/* First background */
    792 		red = fusword(v->cmap.red);
    793 		green = fusword(v->cmap.green);
    794 		blue = fusword(v->cmap.blue);
    795 		bgmask = (((30L * red + 59L * green + 11L * blue) >> 8) >=
    796 		    (((1<<8)-1)*50)) ? ~0 : 0;
    797 		red = fusword(v->cmap.red+2);
    798 		green = fusword(v->cmap.green+2);
    799 		blue = fusword(v->cmap.blue+2);
    800 		fgmask = (((30L * red + 59L * green + 11L * blue) >> 8) >=
    801 		    (((1<<8)-1)*50)) ? ~0 : 0;
    802 	}
    803 	if (v->which & WSDISPLAY_CURSOR_DOSHAPE) {
    804 		copyin(v->image, curfg, sizeof(curfg));
    805 		copyin(v->mask, curmask, sizeof(curmask));      /* not used */
    806 	        curp = (uint16_t *) &(sc->sc_fb)[QV_CURSRAM];
    807 		for (i = 0; i < sizeof(curfg)/sizeof(curfg[0]); i++) {
    808 		        curp[i] = (uint16_t)curfg[i];
    809 		}
    810 	}
    811 }
    812 
    813 /*
    814  * emulop ioctl
    815  */
    816 int
    817 qv_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
    818 {
    819 	struct wsdisplay_fbinfo *fb = (void *)data;
    820 	//static uint16_t curc;
    821         struct qv_softc *sc = device_private(v);
    822 
    823 	switch (cmd) {
    824 	case WSDISPLAYIO_GTYPE:
    825 		*(u_int *)data = WSDISPLAY_TYPE_VAX_MONO;
    826 		break;
    827 
    828 	case WSDISPLAYIO_GINFO:
    829 		fb->height = QV_YWIDTH;
    830 		fb->width = QV_XWIDTH;
    831 		fb->depth = 1;
    832 		fb->cmsize = 2;
    833 		break;
    834 
    835 	case WSDISPLAYIO_SVIDEO:
    836 		if (*(u_int *)data == WSDISPLAYIO_VIDEO_ON) {
    837                         /* enable video output */
    838   		        qv_reg_wr(sc, QV_CSR,
    839   		            qv_reg_rd(sc, QV_CSR) | (1 << 2));
    840 		} else {
    841                         /* disable video output */
    842                         qv_reg_wr(sc, QV_CSR,
    843                             qv_reg_rd(sc, QV_CSR) & ~(1 << 2));
    844 		}
    845 		break;
    846 
    847 	case WSDISPLAYIO_GVIDEO:
    848 		*(u_int *)data = (qv_reg_rd(sc, QV_CSR) & (1 << 2))
    849 		    ? WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
    850 		break;
    851 
    852 	case WSDISPLAYIO_SCURSOR:
    853 		qv_setcursor(sc, (struct wsdisplay_cursor *)data);
    854 		break;
    855 
    856 	case WSDISPLAYIO_SCURPOS:
    857 	        sc->sc_curx = ((struct wsdisplay_curpos *)data)->x;
    858 		sc->sc_cury = ((struct wsdisplay_curpos *)data)->y;
    859                 qv_crtc_wr(sc, CUR_START, CUR_OFF | (sc->sc_cury & 0x0f));
    860                 qv_crtc_wr(sc, CUR_HI, sc->sc_cury >> 4);
    861                 qv_reg_wr(sc, QV_CUR_X, sc->sc_curx);
    862                 qv_crtc_wr(sc, CUR_START,
    863                     sc->sc_curon | (sc->sc_cury & 0x0f));
    864 		break;
    865 
    866 	case WSDISPLAYIO_GCURPOS:
    867 		((struct wsdisplay_curpos *)data)->x = sc->sc_curx;
    868 		((struct wsdisplay_curpos *)data)->y = sc->sc_cury;
    869 		break;
    870 
    871 	case WSDISPLAYIO_GCURMAX:
    872 		((struct wsdisplay_curpos *)data)->x = 16;
    873 		((struct wsdisplay_curpos *)data)->y = 16;
    874 		break;
    875 
    876 	default:
    877 		return EPASSTHROUGH;
    878 	}
    879 	return 0;
    880 }
    881 
    882 /*
    883  * emulop mmap
    884  */
    885 static paddr_t
    886 qv_mmap(void *v, void *vs, off_t offset, int prot)
    887 {
    888         struct qv_softc *sc = device_private(v);
    889 
    890 	if (offset >= QVSIZE || offset < 0)
    891 		return -1;
    892 	return (sc->sc_fbphys) >> PGSHIFT;
    893 }
    894 
    895 /*
    896  * emulop allocate screen
    897  */
    898 int
    899 qv_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
    900     int *curxp, int *curyp, long *defattrp)
    901 {
    902         struct qv_softc *sc = device_private(v);
    903         struct qv_screen *ss;
    904 
    905 	ss = malloc(sizeof(struct qv_screen), M_DEVBUF, M_WAITOK|M_ZERO);
    906 	ss->ss_sc = sc;
    907 	ss->ss_type = type;
    908 	*cookiep = ss;
    909 	*curxp = *curyp = *defattrp = 0;
    910         printf("qv_alloc_screen: \"%s\" %p\n", type->name, ss);
    911 	return 0;
    912 }
    913 
    914 /*
    915  * emulop free screen
    916  */
    917 void
    918 qv_free_screen(void *v, void *cookie)
    919 {
    920         printf("qv_free_screen: %p\n", cookie);
    921         free(cookie, M_DEVBUF);
    922 }
    923 
    924 /*
    925  * emulop show screen
    926  */
    927 int
    928 qv_show_screen(void *v, void *cookie, int waitok,
    929     void (*cb)(void *, int, int), void *cbarg)
    930 {
    931 	struct qv_screen *ss = cookie;
    932 	const struct _wsscreen_descr *descr;
    933 	int row, col, line;
    934         printf("qv_show_screen: %p\n", cookie);
    935 
    936 	if (ss == ss->ss_sc->sc_curscr)
    937 		return (0);
    938 
    939         descr = (const struct _wsscreen_descr *)(ss->ss_type);
    940         qv_setcrtc(ss->ss_sc, descr->qv_crtc_param);
    941 	for (row = 0; row < QV_ROWS; row++)
    942 		for (line = 0; line < QV_CHEIGHT; line++) {
    943 			for (col = 0; col < QV_COLS; col++) {
    944 				u_char s, c = ss->ss_image[row][col];
    945 
    946 				if (c < 32)
    947 					c = 32;
    948 				s = *qv_font(ss->ss_sc, c, line);
    949 				if (ss->ss_attr[row][col] & WSATTR_REVERSE)
    950 					s ^= 255;
    951 				*qv_fbp(ss->ss_sc, row, col, line) = s;
    952 
    953 				if (ss->ss_attr[row][col] & WSATTR_UNDERLINE)
    954 					*qv_fbp(ss->ss_sc, row, col, line)
    955 					    = 255;
    956 			}
    957 		}
    958         cursor = qv_fbp(ss->ss_sc, ss->ss_cury, ss->ss_curx, 14);
    959 	ss->ss_sc->sc_curscr = ss;
    960 	return (0);
    961 }
    962 
    963 #if 0
    964 void
    965 qv_reset_establish(void (*reset)(device_t), device_t dev)
    966 {
    967         uba_reset_establish(reset, device_parent(dev));
    968 }
    969 #endif
    970 cons_decl(qv);
    971 
    972 void
    973 qvcninit(struct consdev *cndev)
    974 {
    975 	int fcookie;
    976 	struct wsdisplay_font *console_font;
    977 	extern void lkccninit(struct consdev *);
    978 	extern int lkccngetc(dev_t);
    979 	extern int dz_vsbus_lk201_cnattach(int);
    980 
    981         //printf("qvcninit: \n");
    982 	/* Clear screen */
    983 	//memset(qv_addr, 0, 128*864);
    984 
    985 	callout_init(&qv_cursor_ch, 0);
    986 	//curscr = &qv_conscreen;
    987 	wsdisplay_cnattach(&qv_stdscreen[0].qv_stdscreen,
    988 	    &qv_conscreen, 0, 0, 0);
    989 	cn_tab->cn_pri = CN_INTERNAL;
    990 	wsfont_init();
    991 	if ((fcookie = wsfont_find(NULL, 8, 15, 0, WSDISPLAY_FONTORDER_R2L,
    992 	    WSDISPLAY_FONTORDER_L2R, WSFONT_FIND_BITMAP)) < 0)
    993 	{
    994 		printf("qv: could not find 8x15 font\n");
    995 		return;
    996 	}
    997 	if (wsfont_lock(fcookie, &console_font) != 0) {
    998 		printf("qv: could not lock 8x15 font\n");
    999 		return;
   1000 	}
   1001 	//qf = console_font->data;
   1002 
   1003 #if NQVKBD > 0 && 0
   1004 	qvkbd_cnattach(0); /* Connect keyboard and screen together */
   1005 #endif
   1006 }
   1007 
   1008 /*
   1009  * Called very early to setup the glass tty as console.
   1010  * Because it's called before the VM system is inited, virtual memory
   1011  * for the framebuffer can be stolen directly without disturbing anything.
   1012  */
   1013 void
   1014 qvcnprobe(struct consdev *cndev)
   1015 {
   1016         printf("qvcnprobe: \n");
   1017 #if 0
   1018 	extern vaddr_t virtual_avail;
   1019 	extern const struct cdevsw wsdisplay_cdevsw;
   1020 
   1021 	switch (vax_boardtype) {
   1022 	case VAX_BTYP_410:
   1023 	case VAX_BTYP_420:
   1024 	case VAX_BTYP_43:
   1025 		if ((vax_confdata & KA420_CFG_L3CON) ||
   1026 		    (vax_confdata & KA420_CFG_MULTU))
   1027 			break; /* doesn't use graphics console */
   1028 		qv_addr = (void *)virtual_avail;
   1029 		virtual_avail += QVSIZE;
   1030 		ioaccess((vaddr_t)qv_addr, QVADDR, (QVSIZE/VAX_NBPG));
   1031 		cndev->cn_pri = CN_INTERNAL;
   1032 		cndev->cn_dev = makedev(cdevsw_lookup_major(&wsdisplay_cdevsw),
   1033 					0);
   1034 		break;
   1035 	default:
   1036 		break;
   1037 	}
   1038 #endif
   1039 }
   1040