spx.c revision 1.2.2.3 1 /* $NetBSD: spx.c,v 1.2.2.3 2010/08/11 22:52:52 yamt Exp $ */
2 /*
3 * SPX/LCSPX/SPXg/SPXgt accelerated framebuffer driver for NetBSD/VAX
4 * Copyright (c) 2005 Blaz Antonic
5 * All rights reserved.
6 *
7 * This software contains code written by Michael L. Hitch.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the abovementioned copyrights
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: spx.c,v 1.2.2.3 2010/08/11 22:52:52 yamt Exp $");
36
37 #include <sys/param.h>
38 #include <sys/device.h>
39 #include <sys/systm.h>
40 #include <sys/callout.h>
41 #include <sys/time.h>
42 #include <sys/malloc.h>
43 #include <sys/conf.h>
44 #include <sys/kernel.h>
45
46 #include <uvm/uvm.h>
47
48 #include <machine/vsbus.h>
49 #include <machine/sid.h>
50 #include <machine/cpu.h>
51 #include <machine/ka420.h>
52
53 #include <dev/cons.h>
54
55 #include <dev/dec/dzreg.h>
56 #include <dev/dec/dzvar.h>
57 #include <dev/dec/dzkbdvar.h>
58
59 #include <dev/wscons/wsdisplayvar.h>
60 #include <dev/wscons/wsconsio.h>
61 #include <dev/wscons/wscons_callbacks.h>
62 #include <dev/wsfont/wsfont.h>
63
64 #include "machine/scb.h"
65
66 #include "dzkbd.h"
67
68 #define CONF_LCSPX 0x02
69 #define CONF_SPXg 0x10
70
71 #define FB_IS_SPX 1
72 #define FB_IS_SPXg 2
73
74 /* Screen hardware defs */
75 #define SPX_FB_ADDR 0x38000000 /* Frame buffer */
76 #define SPXg_FB_ADDR_KA46 0x22200000
77 #define SPXg_FB_ADDR_KA49 0x28200000
78 #define SPXg_FB_ADDR ((vax_boardtype == VAX_BTYP_46) ? \
79 SPXg_FB_ADDR_KA46 : SPXg_FB_ADDR_KA49)
80
81 #define SPXg_WIN_SIZE 0x00100000 /* Window size */
82 /* # of pixels that fit into single window */
83 #define SPXg_WIN_LINEAR (SPXg_WIN_SIZE / 2)
84
85 #define SPXg_DELAY 5
86
87 /*
88 * off-screen font storage space
89 * 32x16 glyphs, 256 regular and underlined chars
90 */
91 #define FONT_STORAGE_START (spx_xsize * spx_ysize)
92 #define FONT_STORAGE_SIZE (32 * 16 * 256 * 2)
93
94 /* register space defines */
95 #define SPX_REG_SIZE 0x00002000
96 #define SPX_REG_ADDR 0x39302000 /* 1st set of SPX registers */
97
98 #define SPXg_REG_SIZE 0x00004000
99 #define SPXg_REG_ADDR_KA46 0x22004000
100 #define SPXg_REG_ADDR_KA49 0x28004000
101 #define SPXg_REG_ADDR ((vax_boardtype == VAX_BTYP_46) ? \
102 SPXg_REG_ADDR_KA46 : SPXg_REG_ADDR_KA49)
103
104 #define SPX_REG1_SIZE 0x00001000
105 #define SPX_REG1_ADDR 0x39b00000 /* 2nd set of SPX registers */
106
107 #define SPXg_REG1_SIZE 0x00001000
108 #define SPXg_REG1_ADDR_KA46 0x22100000
109 #define SPXg_REG1_ADDR_KA49 0x28100000
110 #define SPXg_REG1_ADDR ((vax_boardtype == VAX_BTYP_46) ? \
111 SPXg_REG1_ADDR_KA46 : SPXg_REG1_ADDR_KA49)
112 #define SPX_REG(reg) regaddr[(reg - 0x2000) / 4]
113 #define SPXg_REG(reg) regaddr[(reg - 0x2000) / 2]
114
115 #define SPX_REG1(reg) regaddr1[(reg) / 4]
116 #define SPXg_REG1(reg) regaddr1[(reg) / 4]
117
118 /* few SPX register names */
119 #define SPX_COMMAND 0x21ec
120 #define SPX_XSTART 0x21d0
121 #define SPX_YSTART 0x21d4
122 #define SPX_XEND 0x21d8
123 #define SPX_YEND 0x21dc
124 #define SPX_DSTPIX 0x21e0
125 #define SPX_DSTPIX1 0x20e0
126 #define SPX_SRCPIX 0x21e4
127 #define SPX_SRCPIX1 0x20e4
128 #define SPX_MAIN3 0x219c
129 #define SPX_STRIDE 0x21e8 /* SRC | DST */
130 #define SPX_SRCMASK 0x21f0
131 #define SPX_DSTMASK 0x21f4
132 #define SPX_FG 0x2260
133 #define SPX_BG 0x2264
134 #define SPX_DESTLOOP 0x2270
135 #define SPX_MPC 0x21fc
136
137 /* few SPX opcodes (microcode entry points); rasterop # = opcode ? */
138 #define SPX_OP_FILLRECT 0x19
139 #define SPX_OP_COPYRECT 0x1a
140
141 /* bt459 locations */
142 #define SPX_BT459_ADDRL 0x39b10000
143 #define SPX_BT459_ADDRH 0x39b14000
144 #define SPX_BT459_REG 0x39b18000
145 #define SPX_BT459_CMAP 0x39b1c000
146
147 /* bt460 locations */
148 #define SPXg_BT460_BASE_KA46 0x200f0000
149 #define SPXg_BT460_BASE_KA49 0x2a000000
150 #define SPXg_BT460_BASE ((vax_boardtype == VAX_BTYP_46) ? \
151 SPXg_BT460_BASE_KA46 : SPXg_BT460_BASE_KA49)
152
153 #define SPX_BG_COLOR WS_DEFAULT_BG
154 #define SPX_FG_COLOR WS_DEFAULT_FG
155
156 /*
157 * cursor X = 0, Y = 0 on-screen bias
158 * FIXME: BIAS for various HW types
159 */
160 #define CUR_XBIAS 360
161 #define CUR_YBIAS 37
162
163 /* few BT459 & BT460 indirect register defines */
164 #define SPXDAC_REG_CCOLOR_1 0x181
165 #define SPXDAC_REG_CCOLOR_2 0x182
166 #define SPXDAC_REG_CCOLOR_3 0x183
167 #define SPXDAC_REG_ID 0x200
168 #define SPXDAC_REG_CMD0 0x201
169 #define SPXDAC_REG_CMD1 0x202
170 #define SPXDAC_REG_CMD2 0x203
171 #define SPXDAC_REG_PRM 0x204
172 #define SPXDAC_REG_CCR 0x300
173 #define SPXDAC_REG_CXLO 0x301
174 #define SPXDAC_REG_CXHI 0x302
175 #define SPXDAC_REG_CYLO 0x303
176 #define SPXDAC_REG_CYHI 0x304
177 #define SPXDAC_REG_WXLO 0x305
178 #define SPXDAC_REG_WXHI 0x306
179 #define SPXDAC_REG_WYLO 0x307
180 #define SPXDAC_REG_WYHI 0x308
181 #define SPXDAC_REG_WWLO 0x309
182 #define SPXDAC_REG_WWHI 0x30a
183 #define SPXDAC_REG_WHLO 0x30b
184 #define SPXDAC_REG_WHHI 0x30c
185 #define SPXDAC_REG_CRAM_BASE 0x400
186
187 /*
188 * used to access top/bottom 8 bits of a 16-bit argument for split RAMDAC
189 * addressing
190 */
191 #define HI(x) (((x) >> 8) & 0xff)
192 #define LO(x) ((x) & 0xff)
193
194 static int spx_match(device_t, cfdata_t, void *);
195 static void spx_attach(device_t, device_t, void *);
196
197 struct spx_softc {
198 device_t ss_dev;
199 };
200
201 CFATTACH_DECL_NEW(spx, sizeof(struct spx_softc),
202 spx_match, spx_attach, NULL, NULL);
203
204 static void spx_cursor(void *, int, int, int);
205 static int spx_mapchar(void *, int, unsigned int *);
206 static void spx_putchar(void *, int, int, u_int, long);
207 static void spx_copycols(void *, int, int, int, int);
208 static void spx_erasecols(void *, int, int, int, long);
209 static void spx_copyrows(void *, int, int, int);
210 static void spx_eraserows(void *, int, int, long);
211 static int spx_allocattr(void *, int, int, int, long *);
212 static int spx_get_cmap(struct wsdisplay_cmap *);
213 static int spx_set_cmap(struct wsdisplay_cmap *);
214
215 static int spx_map_regs(device_t, u_int, u_int, u_int, u_int);
216 static void SPX_render_font(void);
217 static void SPXg_render_font(void);
218 static int SPX_map_fb(device_t, struct vsbus_attach_args *);
219 static int SPXg_map_fb(device_t, struct vsbus_attach_args *);
220 static void spx_init_common(device_t, struct vsbus_attach_args *);
221
222 #define SPX_MAP_FB(self, va, type) if (! type ## _map_fb(self, va)) return
223 #define SPX_MAP_REGS(self, type) if (!spx_map_regs(self, \
224 type ## _REG_ADDR, \
225 type ## _REG_SIZE, \
226 type ## _REG1_ADDR, \
227 type ## _REG1_SIZE)) \
228 return
229
230 const struct wsdisplay_emulops spx_emulops = {
231 spx_cursor,
232 spx_mapchar,
233 spx_putchar,
234 spx_copycols,
235 spx_erasecols,
236 spx_copyrows,
237 spx_eraserows,
238 spx_allocattr
239 };
240
241 static char spx_stdscreen_name[10] = "160x128";
242 struct wsscreen_descr spx_stdscreen = {
243 spx_stdscreen_name, 160, 128, /* dynamically set */
244 &spx_emulops,
245 8, 15, /* dynamically set */
246 WSSCREEN_UNDERLINE|WSSCREEN_REVERSE|WSSCREEN_WSCOLORS,
247 };
248
249 const struct wsscreen_descr *_spx_scrlist[] = {
250 &spx_stdscreen,
251 };
252
253 const struct wsscreen_list spx_screenlist = {
254 sizeof(_spx_scrlist) / sizeof(struct wsscreen_descr *),
255 _spx_scrlist,
256 };
257
258 static volatile char *spxaddr;
259 static volatile long *regaddr;
260 static volatile long *regaddr1;
261
262 static volatile char *bt_addrl;
263 static volatile char *bt_addrh;
264 static volatile char *bt_reg;
265 static volatile char *bt_cmap;
266 static volatile char *bt_wait; /* SPXg/gt only */
267
268 static int spx_xsize;
269 static int spx_ysize;
270 static int spx_depth;
271 static int spx_cols;
272 static int spx_rows;
273 static long spx_fb_size;
274
275 /* Our current hardware colormap */
276 static struct hwcmap256 {
277 #define CMAP_SIZE 256 /* 256 R/G/B entries */
278 u_int8_t r[CMAP_SIZE];
279 u_int8_t g[CMAP_SIZE];
280 u_int8_t b[CMAP_SIZE];
281 } spx_cmap;
282
283 /* The default colormap */
284 static struct {
285 u_int8_t r[8];
286 u_int8_t g[8];
287 u_int8_t b[8];
288 } spx_default_cmap = {
289 { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
290 { 0x00, 0x00, 0xff, 0x7f, 0x00, 0x00, 0xff, 0xff },
291 { 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff }
292 };
293
294 static char fb_type = 0;
295 static char spxg_current_page = 0;
296 #define spxg_switch_page(nr) (SPXg_REG1(0x20) = ((1 << (nr) & 0xff)) << 16)
297
298 struct wsdisplay_font spx_font;
299 static u_char *qf;
300 static u_short *qf2;
301
302 #define QCHAR_INVALID(c) (((c) < spx_font.firstchar) || \
303 ((c) >= spx_font.firstchar + spx_font.numchars))
304 #define QCHAR(c) (QCHAR_INVALID(c) ? 0 : (c) - spx_font.firstchar)
305
306 #define QFONT_INDEX(c, line) (QCHAR(c) * spx_font.fontheight + line)
307 #define QFONT_QF(c, line) qf[QFONT_INDEX(c, line)]
308 #define QFONT_QF2(c, line) qf2[QFONT_INDEX(c, line)]
309 #define QFONT(c, line) (spx_font.stride == 2 ? \
310 QFONT_QF2(c, line) : \
311 QFONT_QF(c, line))
312
313 /* replicate color value */
314 #define COLOR(x) (((x) << 24) | ((x) << 16) | ((x) << 8) | (x))
315
316 /* convert coordinates into linear offset */
317 #define LINEAR(x, y) ((y * spx_xsize) + x)
318
319 /* Linear pixel address */
320 #define SPX_POS(row, col, line, dot) \
321 ((col) * spx_font.fontwidth + \
322 (row) * spx_font.fontheight * spx_xsize + \
323 (line) * spx_xsize + dot)
324
325 #define SPX_ADDR(row, col, line, dot) spxaddr[SPX_POS(row, col, line, dot)]
326
327 /* Recalculate absolute pixel address from linear address */
328 #define SPXg_ADDR(linear) spxaddr[((((linear) % SPXg_WIN_LINEAR) / 4) * 8) + \
329 (((linear) % SPXg_WIN_LINEAR) % 4)]
330
331
332 static int spx_ioctl(void *, void *, u_long, void *, int, struct lwp *);
333 static paddr_t spx_mmap(void *, void *, off_t, int);
334 static int spx_alloc_screen(void *, const struct wsscreen_descr *,
335 void **, int *, int *, long *);
336 static void spx_free_screen(void *, void *);
337 static int spx_show_screen(void *, void *, int, void (*) (void *, int, int),
338 void *);
339
340 static void spx_update_cmap(int entry, char red, char green, char blue);
341 static void set_btreg(u_int addr, u_char value);
342 static u_char get_btreg(u_int addr);
343
344 /* SPXg/gt delay */
345 static void spxg_delay(void);
346
347 /*
348 * SPX HW accelerated block copy
349 * common code in spx_blkcpy,
350 * HW-specific code accessed through spx_blkcpy_func pointer
351 */
352 static void spx_blkcpy(u_int sxpos, u_int sypos,
353 u_int dxpos, u_int dypos,
354 u_int xdim, u_int ydim);
355
356 static void SPX_blkcpy(u_int sxpos, u_int sypos,
357 u_int dxpos, u_int dypos,
358 u_int xdim, u_int ydim,
359 char direction);
360 static void SPXg_blkcpy(u_int sxpos, u_int sypos,
361 u_int dxpos, u_int dypos,
362 u_int xdim, u_int ydim,
363 char direction);
364 static void (*spx_blkcpy_func)(u_int, u_int,
365 u_int, u_int,
366 u_int, u_int,
367 char);
368
369 /* SPX HW accelerated block set, no common code */
370 static void SPX_blkset(u_int xpos, u_int ypos,
371 u_int xdim, u_int ydim, char color);
372 static void SPXg_blkset(u_int xpos, u_int ypos,
373 u_int xdim, u_int ydim, char color);
374 static void (*spx_blkset_func)(u_int, u_int, u_int, u_int, char);
375 #define spx_blkset(x, y, xd, yd, c) spx_blkset_func(x, y, xd, yd, c)
376
377 /* SPX HW accelerated part of spx_putchar */
378 static void SPX_putchar(int, int, u_int, char, char);
379 static void SPXg_putchar(int, int, u_int, char, char);
380 static void (*spx_putchar_func)(int, int, u_int, char, char);
381
382 const struct wsdisplay_accessops spx_accessops = {
383 spx_ioctl,
384 spx_mmap,
385 spx_alloc_screen,
386 spx_free_screen,
387 spx_show_screen,
388 0 /* load_font */
389 };
390
391 /* TODO allocate ss_image dynamically for consoles beyond first one */
392 struct spx_screen {
393 int ss_curx;
394 int ss_cury;
395 int ss_cur_fg;
396 int ss_cur_bg;
397 struct {
398 u_char data; /* Image character */
399 u_char attr; /* Attribute: 80/70/08/07 */
400 } ss_image[160 * 128]; /* allow for maximum possible cell matrix */
401 };
402
403 #define SPX_ATTR_UNDERLINE 0x80
404 #define SPX_BG_MASK 0x70
405 #define SPX_ATTR_REVERSE 0x08
406 #define SPX_FG_MASK 0x07
407
408 static struct spx_screen spx_conscreen;
409 static struct spx_screen *prevscr, *curscr;
410 static struct spx_screen *savescr;
411
412 static int cur_fg, cur_bg;
413 static int spx_off = 1;
414
415 static void
416 spx_update_cmap(int entry, char red, char green, char blue)
417 {
418 *bt_addrl = LO(entry);
419 *bt_addrh = HI(entry);
420 if ((entry >= 0x181) && (entry <= 0x183)) {
421 *bt_reg = red;
422 *bt_reg = green;
423 *bt_reg = blue;
424 } else {
425 *bt_cmap = red;
426 *bt_cmap = green;
427 *bt_cmap = blue;
428 }
429 }
430
431 static void
432 set_btreg(u_int addr, u_char value)
433 {
434 *bt_addrl = LO(addr);
435 *bt_addrh = HI(addr);
436 *bt_reg = value;
437 }
438
439 static u_char
440 get_btreg(u_int addr)
441 {
442 *bt_addrl = LO(addr);
443 *bt_addrh = HI(addr);
444 return *bt_reg & 0xff;
445 }
446
447 static void
448 spxg_delay(void)
449 {
450 char i;
451
452 for (i = 0; i <= SPXg_DELAY; i++)
453 *bt_wait = *bt_wait + i;
454 }
455
456 static void
457 SPX_blkcpy(u_int sxpos, u_int sypos,
458 u_int dxpos, u_int dypos,
459 u_int xdim, u_int ydim,
460 char direction)
461 {
462 u_int counter = 0xffffe;
463 long temp = 0;
464
465 SPX_REG(SPX_COMMAND) = 0x84884648 | direction; /* 0x848c4648? */
466 SPX_REG(SPX_XSTART) = dxpos << 16;
467 SPX_REG(SPX_YSTART) = dypos << 16;
468 SPX_REG(SPX_XEND) = (dxpos + xdim) << 16;
469 SPX_REG(SPX_YEND) = (dypos + ydim) << 16;
470
471 temp = ((SPX_REG1(0x10) & 0xc0) << (30 - 6)) | \
472 ((SPX_REG1(0x10) & 0x3f) << 24);
473
474 SPX_REG(SPX_DSTPIX) = temp + LINEAR(dxpos, dypos);
475 SPX_REG(SPX_SRCPIX) = temp + LINEAR(sxpos, sypos);
476 SPX_REG(SPX_SRCPIX1) = 0;
477 SPX_REG(SPX_STRIDE) = (spx_xsize << 16) | spx_xsize;
478 SPX_REG(SPX_SRCMASK) = 0xff;
479 SPX_REG(SPX_DSTMASK) = 0xff;
480
481 SPX_REG(SPX_DESTLOOP) = 0x00112003;
482 SPX_REG(SPX_MPC) = 0x2000 | SPX_OP_COPYRECT;
483
484 SPX_REG1(0x18) = 0xffffffff;
485 while ((counter) && ((SPX_REG1(0x18) & 2) == 0))
486 counter--;
487 }
488
489 static void
490 SPXg_blkcpy(u_int sxpos, u_int sypos,
491 u_int dxpos, u_int dypos,
492 u_int xdim, u_int ydim,
493 char direction)
494 {
495 u_int counter = 0xffffe;
496 long temp = 0;
497
498 SPXg_REG(SPX_COMMAND) = 0x84884648 | direction; spxg_delay();
499 SPXg_REG(SPX_XSTART) = dxpos << 16; spxg_delay();
500 SPXg_REG(SPX_YSTART) = dypos << 16; spxg_delay();
501 SPXg_REG(SPX_XEND) = (dxpos + xdim) << 16; spxg_delay();
502 SPXg_REG(SPX_YEND) = (dypos + ydim) << 16; spxg_delay();
503
504 temp = 0x3f << 24;
505
506 SPXg_REG(SPX_DSTPIX) = temp + LINEAR(dxpos, dypos); spxg_delay();
507 SPXg_REG(SPX_DSTPIX1) = 0xff000000; spxg_delay();
508 SPXg_REG(SPX_SRCPIX) = temp + LINEAR(sxpos, sypos); spxg_delay();
509 SPXg_REG(SPX_SRCPIX1) = 0; spxg_delay();
510 SPXg_REG(SPX_STRIDE) = (spx_xsize << 16) | spx_xsize; spxg_delay();
511 SPXg_REG(SPX_SRCMASK) = 0xffffffff; spxg_delay();
512 SPXg_REG(SPX_DSTMASK) = 0xffffffff; spxg_delay();
513
514 SPXg_REG(SPX_DESTLOOP) = 0x00112003; spxg_delay();
515 SPXg_REG(SPX_MPC) = 0x2000 | SPX_OP_COPYRECT; spxg_delay();
516
517 while ((counter) && ((SPXg_REG1(0x0) & 0x8000) == 0))
518 counter--;
519 }
520
521 static void
522 spx_blkcpy(u_int sxpos, u_int sypos,
523 u_int dxpos, u_int dypos,
524 u_int xdim, u_int ydim)
525 {
526 char direction = 0;
527
528 /* don't waste time checking whether src and dest actually overlap */
529 if (sxpos < dxpos) {
530 direction |= 0x01; /* X decrement */
531 sxpos += xdim;
532 dxpos += xdim;
533 xdim = -xdim;
534 }
535 if (sypos < dypos) {
536 direction |= 0x02; /* Y decrement */
537 sypos += ydim;
538 dypos += ydim;
539 ydim = -ydim;
540 }
541
542 spx_blkcpy_func(sxpos, sypos, dxpos, dypos, xdim, ydim, direction);
543 }
544
545 static void
546 SPX_blkset(u_int xpos, u_int ypos, u_int xdim, u_int ydim, char color)
547 {
548 u_int counter = 0xfffe;
549 long temp = 0;
550
551 SPX_REG(SPX_COMMAND) = 0x84884608;
552 SPX_REG(SPX_XSTART) = xpos << 16;
553 SPX_REG(SPX_YSTART) = ypos << 16;
554 SPX_REG(SPX_XEND) = (xpos + xdim) << 16;
555 SPX_REG(SPX_YEND) = (ypos + ydim) << 16;
556 SPX_REG(SPX_STRIDE) = (spx_xsize << 16) | spx_xsize;
557 SPX_REG(SPX_DESTLOOP) = 0x20102003;
558
559 temp = ((SPX_REG1(0x10) & 0xc0) << (30 - 6)) |
560 ((SPX_REG1(0x10) & 0x3f) << 24);
561 SPX_REG(SPX_DSTPIX) = temp + LINEAR(xpos, ypos);
562
563 SPX_REG(SPX_FG) = COLOR(color);
564
565 SPX_REG(SPX_MPC) = 0x2000 | SPX_OP_FILLRECT;
566
567 SPX_REG1(0x18) = 0xffffffff;
568 while ((counter) && ((SPX_REG1(0x18) & 2) == 0))
569 counter--;
570 }
571
572 static void
573 SPXg_blkset(u_int xpos, u_int ypos, u_int xdim, u_int ydim, char color)
574 {
575 u_int counter = 0xfffe;
576 long temp = 0;
577
578 SPXg_REG(SPX_COMMAND) = 0x84884608; spxg_delay();
579 SPXg_REG(SPX_XSTART) = xpos << 16; spxg_delay();
580 SPXg_REG(SPX_YSTART) = ypos << 16; spxg_delay();
581 SPXg_REG(SPX_XEND) = (xpos + xdim) << 16; spxg_delay();
582 SPXg_REG(SPX_YEND) = (ypos + ydim) << 16; spxg_delay();
583 SPXg_REG(SPX_STRIDE) = (spx_xsize << 16) | spx_xsize; spxg_delay();
584
585 temp = 0x3f << 24;
586 SPXg_REG(SPX_DSTPIX) = temp + LINEAR(xpos, ypos); spxg_delay();
587 SPXg_REG(SPX_DSTPIX1) = 0xff000000; spxg_delay();
588
589 SPXg_REG(SPX_FG) = COLOR(color); spxg_delay();
590
591 SPXg_REG(SPX_DESTLOOP) = 0x20102003; spxg_delay();
592 SPXg_REG(SPX_MPC) = 0x2000 | SPX_OP_FILLRECT; spxg_delay();
593
594 while ((counter) && ((SPXg_REG1(0x0) & 0x8000) == 0))
595 counter--;
596 }
597
598 int
599 spx_match(device_t parent, cfdata_t match, void *aux)
600 {
601 struct vsbus_softc *sc = device_private(parent);
602 #if 0
603 struct vsbus_attach_args *va = aux;
604 char *ch = (char *)va->va_addr;
605 #endif
606
607 /*
608 * FIXME:
609 * add KA46 when/if ever somebody reports SPXg vax_confdata ID on VS 4000/60
610 * Ditto for SPX ID on KA42 & KA43
611 */
612 if ((vax_boardtype != VAX_BTYP_49) ||
613 ((vax_confdata & (CONF_LCSPX | CONF_SPXg)) == 0))
614 return 0;
615
616 /* FIXME add RAMDAC ID code ??? */
617 #if 0
618 /*
619 * FIXME:
620 * are memory addresses besides va->va_addr off limits at this time ?
621 * RAMDAC ID register test, should read 0x4a for LCSPX, 0x4b for SPXg
622 */
623 if (get_btreg(SPXDAC_REG_ID) != 0x4a)
624 return 0;
625 #endif
626
627 sc->sc_mask = 0x04; /* XXX - should be generated */
628 scb_fake(0x14c, 0x15);
629
630 return 20;
631 }
632
633 static void
634 spx_attach(device_t parent, device_t self, void *aux)
635 {
636 struct spx_softc *sc = device_private(self);
637 struct vsbus_attach_args *va = aux;
638 struct wsemuldisplaydev_attach_args aa;
639
640 sc->ss_dev = self;
641
642 aprint_normal("\n");
643 aa.console = spxaddr != NULL;
644
645 spx_init_common(self, va);
646
647 /* display FB type based on RAMDAC ID */
648 switch (get_btreg(SPXDAC_REG_ID) & 0xff) {
649 case 0x4a:
650 aprint_normal_dev(self,
651 "RAMDAC ID: 0x%x, Bt459 (SPX/LCSPX) RAMDAC type\n",
652 get_btreg(SPXDAC_REG_ID) & 0xff);
653 break;
654
655 case 0x4b:
656 aprint_normal_dev(self,
657 "RAMDAC ID: 0x%x, Bt460 (SPXg) RAMDAC type\n",
658 get_btreg(SPXDAC_REG_ID) & 0xff);
659 break;
660 default:
661 aprint_error_dev(self, "unknown RAMDAC type 0x%x\n",
662 get_btreg(SPXDAC_REG_ID) & 0xff);
663 }
664
665 curscr = &spx_conscreen;
666 prevscr = curscr;
667
668 aa.scrdata = &spx_screenlist;
669 aa.accessops = &spx_accessops;
670
671 /* enable cursor */
672 set_btreg(SPXDAC_REG_CCR, 0xc1);
673
674 config_found(self, &aa, wsemuldisplaydevprint);
675 }
676
677 static int cur_on;
678
679 static void
680 spx_cursor(void *id, int on, int row, int col)
681 {
682 struct spx_screen *ss = id;
683 int attr, data;
684
685 attr = ss->ss_image[row * spx_cols + col].attr;
686 data = ss->ss_image[row * spx_cols + col].data;
687
688 if (attr & SPX_ATTR_REVERSE) {
689 cur_bg = attr & SPX_FG_MASK;
690 cur_fg = (attr & SPX_BG_MASK) >> 4;
691 } else {
692 cur_fg = attr & SPX_FG_MASK;
693 cur_bg = (attr & SPX_BG_MASK) >> 4;
694 }
695
696 if (ss == curscr) {
697 #ifdef SOFTCURSOR
698 if ((cur_on = on))
699 spx_putchar_func(row, col, data, cur_bg, cur_fg);
700 else
701 spx_putchar_func(row, col, data, cur_fg, cur_bg);
702 #else
703 /* change cursor foreground color colormap entry */
704 spx_update_cmap(SPXDAC_REG_CCOLOR_3,
705 spx_cmap.r[cur_fg],
706 spx_cmap.g[cur_fg],
707 spx_cmap.b[cur_fg]);
708
709 /* update cursor position registers */
710 set_btreg(SPXDAC_REG_CXLO,
711 LO(col * spx_font.fontwidth + CUR_XBIAS));
712 set_btreg(SPXDAC_REG_CXHI,
713 HI(col * spx_font.fontwidth + CUR_XBIAS));
714 set_btreg(SPXDAC_REG_CYLO,
715 LO(row * spx_font.fontheight + CUR_YBIAS));
716 set_btreg(SPXDAC_REG_CYHI,
717 HI(row * spx_font.fontheight + CUR_YBIAS));
718
719 if ((cur_on = on))
720 /* enable cursor */
721 set_btreg(SPXDAC_REG_CCR, 0xc1);
722 else
723 /* disable cursor */
724 set_btreg(SPXDAC_REG_CCR, 0x01);
725 #endif
726 }
727
728 ss->ss_curx = col;
729 ss->ss_cury = row;
730 ss->ss_cur_bg = cur_bg;
731 ss->ss_cur_fg = cur_fg;
732 }
733
734 static int
735 spx_mapchar(void *id, int uni, unsigned int *index)
736 {
737 if (uni < 256) {
738 *index = uni;
739 return (5);
740 }
741 *index = ' ';
742 return (0);
743 }
744
745 static void
746 SPX_putchar(int row, int col, u_int c, char dot_fg, char dot_bg)
747 {
748 u_int counter = 0xffffe;
749 long temp = 0;
750
751 SPX_REG(SPX_FG) = COLOR(dot_fg);
752 SPX_REG(SPX_BG) = COLOR(dot_bg);
753 SPX_REG(SPX_MAIN3) = 0x01010101;
754 SPX_REG(SPX_COMMAND) = 0x84884648;
755 SPX_REG(SPX_XSTART) = (col * spx_font.fontwidth) << 16;
756 SPX_REG(SPX_YSTART) = (row * spx_font.fontheight) << 16;
757 SPX_REG(SPX_XEND) = ((col + 1) * spx_font.fontwidth) << 16;
758 SPX_REG(SPX_YEND) = ((row + 1) * spx_font.fontheight) << 16;
759
760 temp = ((SPX_REG1(0x10) & 0xc0) << (30 - 6)) | \
761 ((SPX_REG1(0x10) & 0x3f) << 24);
762
763 SPX_REG(SPX_DSTPIX) = temp + LINEAR(col * spx_font.fontwidth,
764 row * spx_font.fontheight);
765 SPX_REG(SPX_SRCPIX) = temp + FONT_STORAGE_START
766 + (c * spx_font.fontheight * spx_font.fontwidth);
767 SPX_REG(SPX_SRCPIX1) = 0;
768 SPX_REG(SPX_STRIDE) = (spx_font.fontwidth << 16) | spx_xsize;
769 SPX_REG(SPX_SRCMASK) = 0xff;
770 SPX_REG(SPX_DSTMASK) = 0xff;
771
772 SPX_REG(SPX_DESTLOOP) = 0x20142003;
773 SPX_REG(SPX_MPC) = 0x2000 | SPX_OP_COPYRECT;
774
775 SPX_REG1(0x18) = 0xffffffff;
776
777 while ((counter) && ((SPX_REG1(0x18) & 2) == 0))
778 counter--;
779 }
780
781 static void
782 SPXg_putchar(int row, int col, u_int c, char dot_fg, char dot_bg)
783 {
784 u_int counter = 0xffffe;
785 long temp = 0;
786
787 SPXg_REG(SPX_FG) = COLOR(dot_fg);
788 spxg_delay();
789 SPXg_REG(SPX_BG) = COLOR(dot_bg);
790 spxg_delay();
791 SPXg_REG(SPX_MAIN3) = 0x01010101;
792 spxg_delay();
793 SPXg_REG(SPX_COMMAND) = 0x84884648;
794 spxg_delay();
795 SPXg_REG(SPX_XSTART) = (col * spx_font.fontwidth) << 16;
796 spxg_delay();
797 SPXg_REG(SPX_YSTART) = (row * spx_font.fontheight) << 16;
798 spxg_delay();
799 SPXg_REG(SPX_XEND) = ((col + 1) * spx_font.fontwidth) << 16;
800 spxg_delay();
801 SPXg_REG(SPX_YEND) = ((row + 1) * spx_font.fontheight) << 16;
802 spxg_delay();
803
804 temp = 0x3f << 24;
805
806 SPXg_REG(SPX_DSTPIX) = temp + LINEAR(col * spx_font.fontwidth,
807 row * spx_font.fontheight);
808 spxg_delay();
809 SPXg_REG(SPX_DSTPIX1) = 0xff000000;
810 spxg_delay();
811 SPXg_REG(SPX_SRCPIX) = temp + FONT_STORAGE_START +
812 (c * spx_font.fontheight * spx_font.fontwidth);
813 spxg_delay();
814 SPXg_REG(SPX_SRCPIX1) = 0;
815 spxg_delay();
816 SPXg_REG(SPX_STRIDE) = (spx_font.fontwidth << 16) | spx_xsize;
817 spxg_delay();
818 SPXg_REG(SPX_SRCMASK) = 0xffffffff;
819 spxg_delay();
820 SPXg_REG(SPX_DSTMASK) = 0xffffffff;
821 spxg_delay();
822
823 SPXg_REG(SPX_DESTLOOP) = 0x20142003;
824 spxg_delay();
825 SPXg_REG(SPX_MPC) = 0x2000 | SPX_OP_COPYRECT;
826 spxg_delay();
827
828 while ((counter) && ((SPXg_REG1(0x0) & 0x8000) == 0))
829 counter--;
830 }
831
832 static void
833 spx_putchar(void *id, int row, int col, u_int c, long attr)
834 {
835 struct spx_screen *ss = id;
836 char dot_fg, dot_bg;
837
838 c &= 0xff;
839
840 ss->ss_image[row * spx_cols + col].data = c;
841 ss->ss_image[row * spx_cols + col].attr = attr;
842 if (ss != curscr)
843 return;
844
845 dot_fg = attr & SPX_FG_MASK;
846 dot_bg = (attr & SPX_BG_MASK) >> 4;
847 if (attr & SPX_ATTR_REVERSE) {
848 dot_fg = (attr & SPX_BG_MASK) >> 4;
849 dot_bg = attr & SPX_FG_MASK;
850 }
851
852 /* adjust glyph index for underlined text */
853 if (attr & SPX_ATTR_UNDERLINE)
854 c += 0x100;
855
856 spx_putchar_func(row, col, c, dot_fg, dot_bg);
857 }
858
859 /*
860 * copies columns inside a row.
861 */
862 static void
863 spx_copycols(void *id, int row, int srccol, int dstcol, int ncols)
864 {
865 struct spx_screen *ss = id;
866
867 bcopy(&ss->ss_image[row * spx_cols + srccol],
868 &ss->ss_image[row * spx_cols + dstcol],
869 ncols * sizeof(ss->ss_image[0]));
870
871 if (ss == curscr)
872 spx_blkcpy(srccol * spx_font.fontwidth,
873 row * spx_font.fontheight,
874 dstcol * spx_font.fontwidth,
875 row * spx_font.fontheight,
876 ncols * spx_font.fontwidth,
877 spx_font.fontheight);
878 }
879
880 /*
881 * Erases a bunch of chars inside one row.
882 */
883 static void
884 spx_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
885 {
886 struct spx_screen *ss = id;
887 int offset = row * spx_cols + startcol;
888 int i;
889
890 memset(&ss->ss_image[row * spx_cols + startcol], 0,
891 ncols * sizeof(ss->ss_image[0]));
892
893 for (i = offset; i < offset + ncols; ++i)
894 ss->ss_image[i].attr = fillattr;
895
896 if (ss == curscr)
897 spx_blkset(startcol * spx_font.fontwidth,
898 row * spx_font.fontheight,
899 ncols * spx_font.fontwidth,
900 spx_font.fontheight,
901 (fillattr & SPX_BG_MASK) >> 4);
902 }
903
904 static void
905 spx_copyrows(void *id, int srcrow, int dstrow, int nrows)
906 {
907 struct spx_screen *ss = id;
908
909 bcopy(&ss->ss_image[srcrow * spx_cols],
910 &ss->ss_image[dstrow * spx_cols],
911 nrows * spx_cols * sizeof(ss->ss_image[0]));
912
913 if (ss == curscr)
914 spx_blkcpy(0, (srcrow * spx_font.fontheight),
915 0, (dstrow * spx_font.fontheight),
916 spx_xsize, (nrows * spx_font.fontheight));
917 }
918
919 static void
920 spx_eraserows(void *id, int startrow, int nrows, long fillattr)
921 {
922 struct spx_screen *ss = id;
923 int i;
924
925 memset(&ss->ss_image[startrow * spx_cols], 0,
926 nrows * spx_cols * sizeof(ss->ss_image[0]));
927
928 for (i = startrow * spx_cols; i < startrow + nrows * spx_cols; ++i)
929 ss->ss_image[i].attr = fillattr;
930
931 if (ss == curscr)
932 spx_blkset(0, (startrow * spx_font.fontheight),
933 spx_xsize, (nrows * spx_font.fontheight),
934 (fillattr & SPX_BG_MASK) >> 4);
935 }
936
937 static int
938 spx_allocattr(void *id, int fg, int bg, int flags, long *attrp)
939 {
940 long myattr;
941
942 if (flags & WSATTR_WSCOLORS)
943 myattr = (fg & SPX_FG_MASK) | ((bg << 4) & SPX_BG_MASK);
944 else
945 myattr = WSCOL_WHITE << 4; /* XXXX */
946 if (flags & WSATTR_REVERSE)
947 myattr |= SPX_ATTR_REVERSE;
948 if (flags & WSATTR_UNDERLINE)
949 myattr |= SPX_ATTR_UNDERLINE;
950 *attrp = myattr;
951 return 0;
952 }
953
954 static int
955 spx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
956 {
957 struct wsdisplay_fbinfo *fb = data;
958 int i;
959
960 switch (cmd) {
961 case WSDISPLAYIO_GTYPE:
962 *(u_int *)data = WSDISPLAY_TYPE_SPX;
963 break;
964
965 case WSDISPLAYIO_GINFO:
966 fb->height = spx_ysize;
967 fb->width = spx_xsize;
968 fb->depth = spx_depth;
969 fb->cmsize = 1 << spx_depth;
970 break;
971
972 case WSDISPLAYIO_GETCMAP:
973 return spx_get_cmap((struct wsdisplay_cmap *)data);
974
975 case WSDISPLAYIO_PUTCMAP:
976 return spx_set_cmap((struct wsdisplay_cmap *)data);
977
978 case WSDISPLAYIO_GMODE:
979 return EPASSTHROUGH;
980
981 case WSDISPLAYIO_SMODE:
982 /*
983 * if setting WSDISPLAYIO_MODE_EMUL, restore console cmap,
984 * current screen
985 */
986 if (*(u_int *)data == WSDISPLAYIO_MODE_EMUL) {
987 for (i = 0; i < 8; i++) {
988 spx_cmap.r[i] = spx_default_cmap.r[i];
989 spx_cmap.g[i] = spx_default_cmap.g[i];
990 spx_cmap.b[i] = spx_default_cmap.b[i];
991 spx_update_cmap(i, spx_cmap.r[i], spx_cmap.g[i],
992 spx_cmap.b[i]);
993 }
994 if (savescr != NULL)
995 spx_show_screen(NULL, savescr, 0, NULL, NULL);
996 savescr = NULL;
997 } else { /* WSDISPLAYIO_MODE_MAPPED */
998 savescr = curscr;
999 curscr = NULL;
1000 /* clear screen? */
1001 }
1002
1003 return EPASSTHROUGH;
1004
1005 case WSDISPLAYIO_SVIDEO:
1006 if (*(u_int *)data == WSDISPLAYIO_VIDEO_ON && spx_off) {
1007 /* Unblank video */
1008 set_btreg(SPXDAC_REG_CMD0, 0x48);
1009
1010 /* Enable sync */
1011 set_btreg(SPXDAC_REG_CMD2, 0xc0);
1012
1013 spx_off = 0;
1014 } else if (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF && !spx_off) {
1015 /* Blank video */
1016 set_btreg(SPXDAC_REG_CMD0, 68);
1017
1018 /* Disable sync */
1019 set_btreg(SPXDAC_REG_CMD2, 0x40);
1020 spx_off = 1;
1021 }
1022 break;
1023
1024 case WSDISPLAYIO_GVIDEO:
1025 *(u_int *)data = spx_off == 0 ?
1026 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF;
1027 break;
1028
1029 default:
1030 return EPASSTHROUGH;
1031 }
1032 return 0;
1033 }
1034
1035 /*
1036 * Bad idea on SPXg/gt due to windowed framebuffer access
1037 */
1038 static paddr_t
1039 spx_mmap(void *v, void *vs, off_t offset, int prot)
1040 {
1041 if (fb_type != FB_IS_SPX)
1042 return -1;
1043
1044 if (offset >= spx_fb_size || offset < 0)
1045 return -1;
1046
1047 return (SPX_FB_ADDR + offset) >> PGSHIFT;
1048 }
1049
1050 static int
1051 spx_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
1052 int *curxp, int *curyp, long *defattrp)
1053 {
1054 int i;
1055 struct spx_screen *ss;
1056
1057 ss = malloc(sizeof(struct spx_screen), M_DEVBUF, M_WAITOK | M_ZERO);
1058
1059 *cookiep = ss;
1060 *curxp = *curyp = 0;
1061 *defattrp = (SPX_BG_COLOR << 4) | SPX_FG_COLOR;
1062
1063 for (i = 0; i < spx_cols * spx_rows; ++i)
1064 ss->ss_image[i].attr = *defattrp;
1065
1066 return 0;
1067 }
1068
1069 static void
1070 spx_free_screen(void *v, void *cookie)
1071 {
1072 /* FIXME add something to actually free malloc()ed screen? */
1073 }
1074
1075 static int
1076 spx_show_screen(void *v, void *cookie, int waitok,
1077 void (*cb)(void *, int, int), void *cbarg)
1078 {
1079 struct spx_screen *ss = cookie;
1080 u_int row, col, attr;
1081 u_char c;
1082
1083 if (ss == curscr)
1084 return (0);
1085
1086 prevscr = curscr;
1087 curscr = ss;
1088
1089 for (row = 0; row < spx_rows; row++) {
1090 for (col = 0; col < spx_cols; col++) {
1091 u_int idx = row * spx_cols + col;
1092 attr = ss->ss_image[idx].attr;
1093 c = ss->ss_image[idx].data;
1094
1095 /* check if cell requires updating */
1096 if ((c != prevscr->ss_image[idx].data) ||
1097 (attr != prevscr->ss_image[idx].attr)) {
1098 if (c < 32) c = 32;
1099 spx_putchar(ss, row, col, c, attr);
1100 }
1101 }
1102 }
1103
1104 row = ss->ss_cury; col = ss->ss_curx;
1105
1106 spx_cursor(ss, cur_on, row, col);
1107
1108 cur_fg = ss->ss_cur_fg;
1109 cur_bg = ss->ss_cur_bg;
1110
1111 return (0);
1112 }
1113
1114 static int
1115 spx_get_cmap(struct wsdisplay_cmap *p)
1116 {
1117 u_int index = p->index, count = p->count;
1118 int error;
1119
1120 if (index >= (1 << spx_depth) || count > (1 << spx_depth) - index)
1121 return (EINVAL);
1122
1123 error = copyout(&spx_cmap.r[index], p->red, count);
1124 if (error)
1125 return error;
1126
1127 error = copyout(&spx_cmap.g[index], p->green, count);
1128 if (error)
1129 return error;
1130
1131 error = copyout(&spx_cmap.b[index], p->blue, count);
1132 return error;
1133 }
1134
1135 static int
1136 spx_set_cmap(struct wsdisplay_cmap *p)
1137 {
1138 u_int index = p->index, count = p->count;
1139 int error, s;
1140
1141 if (index >= (1 << spx_depth) || count > (1 << spx_depth) - index)
1142 return (EINVAL);
1143
1144 error = copyin(p->red, &spx_cmap.r[index], count);
1145 if (error)
1146 return error;
1147
1148 error = copyin(p->green, &spx_cmap.g[index], count);
1149 if (error)
1150 return error;
1151
1152 error = copyin(p->blue, &spx_cmap.b[index], count);
1153
1154 if (error)
1155 return error;
1156
1157 s = spltty();
1158 while (count-- > 0) {
1159 spx_update_cmap(index,
1160 spx_cmap.r[index],
1161 spx_cmap.g[index],
1162 spx_cmap.b[index]);
1163 index++;
1164 }
1165 splx(s);
1166 return (0);
1167 }
1168
1169 cons_decl(spx);
1170
1171 void
1172 spxcninit(struct consdev *cndev)
1173 {
1174 int i;
1175
1176 spx_blkset(0, 0, spx_xsize, spx_ysize, SPX_BG_COLOR);
1177
1178 curscr = &spx_conscreen;
1179
1180 for (i = 0; i < spx_cols * spx_rows; i++)
1181 spx_conscreen.ss_image[i].attr =
1182 (SPX_BG_COLOR << 4) | SPX_FG_COLOR;
1183 wsdisplay_cnattach(&spx_stdscreen, &spx_conscreen, 0, 0,
1184 (SPX_BG_COLOR << 4) | SPX_FG_COLOR);
1185 cn_tab->cn_pri = CN_INTERNAL;
1186
1187 #if NDZKBD > 0
1188 dzkbd_cnattach(0); /* Connect keyboard and screen together */
1189 #endif
1190 }
1191
1192 /*
1193 * Called very early to setup the glass tty as console.
1194 * Because it's called before the VM system is inited, virtual memory
1195 * for the framebuffer can be stolen directly without disturbing anything.
1196 */
1197 void
1198 spxcnprobe(struct consdev *cndev)
1199 {
1200 extern const struct cdevsw wsdisplay_cdevsw;
1201
1202 /* Only for VS 4000/90, 90A and 96 with LCSPX or SPXg/gt*/
1203 if ((vax_boardtype != VAX_BTYP_49) ||
1204 ((vax_confdata & (CONF_LCSPX | CONF_SPXg)) == 0))
1205 return;
1206
1207 if (((vax_confdata & 8) && (vax_boardtype == VAX_BTYP_49)) ||
1208 (((vax_confdata & KA420_CFG_L3CON) ||
1209 (vax_confdata & KA420_CFG_MULTU)) &&
1210 ((vax_boardtype == VAX_BTYP_420) ||
1211 (vax_boardtype == VAX_BTYP_43)))) {
1212 aprint_normal("spxcnprobe: Diagnostic console\n");
1213 return; /* Diagnostic console */
1214 }
1215
1216 spx_init_common(NULL, NULL);
1217
1218 cndev->cn_pri = CN_INTERNAL;
1219 cndev->cn_dev = makedev(cdevsw_lookup_major(&wsdisplay_cdevsw), 0);
1220 }
1221
1222 static int
1223 spx_map_regs(device_t self,
1224 u_int raddr, u_int rsize, u_int r1addr, u_int r1size)
1225 {
1226 extern vaddr_t virtual_avail;
1227
1228 if (!self) {
1229 regaddr = (long*)virtual_avail;
1230 virtual_avail += rsize;
1231 ioaccess((vaddr_t)regaddr, raddr, rsize/VAX_NBPG);
1232
1233 regaddr1 = (long*)virtual_avail;
1234 virtual_avail += r1size;
1235 ioaccess((vaddr_t)regaddr1, r1addr, r1size/VAX_NBPG);
1236
1237 return 1;
1238 }
1239
1240 regaddr = (long*)vax_map_physmem(raddr, rsize/VAX_NBPG);
1241 if (regaddr == 0) {
1242 aprint_error_dev(self,
1243 "unable to allocate register memory (1).\n");
1244 return 0;
1245 }
1246
1247 regaddr1 = (long*)vax_map_physmem(r1addr, r1size/VAX_NBPG);
1248 if (regaddr1 == 0) {
1249 aprint_error_dev(self,
1250 "unable to allocate register memory (2).\n");
1251 return 0;
1252 }
1253
1254 return 1;
1255 }
1256
1257 static int
1258 SPX_map_fb(device_t self, struct vsbus_attach_args *va)
1259 {
1260 int fbsize = (spx_fb_size + FONT_STORAGE_SIZE)/VAX_NBPG;
1261 extern vaddr_t virtual_avail;
1262
1263 if (!self) {
1264 spxaddr = (char *)virtual_avail;
1265 virtual_avail += (spx_fb_size + FONT_STORAGE_SIZE);
1266 ioaccess((vaddr_t)spxaddr, SPX_FB_ADDR, fbsize);
1267
1268 bt_addrl = (char *)virtual_avail;
1269 virtual_avail += VAX_NBPG;
1270 ioaccess((vaddr_t)bt_addrl, SPX_BT459_ADDRL, 1);
1271
1272 bt_addrh = (char *)virtual_avail;
1273 virtual_avail += VAX_NBPG;
1274 ioaccess((vaddr_t)bt_addrh, SPX_BT459_ADDRH, 1);
1275
1276 bt_reg = (char *)virtual_avail;
1277 virtual_avail += VAX_NBPG;
1278 ioaccess((vaddr_t)bt_reg, SPX_BT459_REG, 1);
1279
1280 bt_cmap = (char *)virtual_avail;
1281 virtual_avail += VAX_NBPG;
1282 ioaccess((vaddr_t)bt_cmap, SPX_BT459_CMAP, 1);
1283
1284 return 1;
1285 }
1286
1287 spxaddr = (char *)vax_map_physmem(va->va_paddr, fbsize);
1288 if (spxaddr == 0) {
1289 aprint_error_dev(self, "unable to map framebuffer memory.\n");
1290 return 0;
1291 }
1292
1293 /* map all four RAMDAC registers */
1294 bt_addrl = (char *)vax_map_physmem(SPX_BT459_ADDRL, 1);
1295 if (bt_addrl == 0) {
1296 aprint_error_dev(self,
1297 "unable to map BT459 Low Address register.\n");
1298 return 0;
1299 }
1300
1301 bt_addrh = (char *)vax_map_physmem(SPX_BT459_ADDRH, 1);
1302 if (bt_addrh == 0) {
1303 aprint_error_dev(self,
1304 "unable to map BT459 High Address register.\n");
1305 return 0;
1306 }
1307
1308 bt_reg = (char *)vax_map_physmem(SPX_BT459_REG, 1);
1309 if (bt_reg == 0) {
1310 aprint_error_dev(self,
1311 "unable to map BT459 I/O Register.\n");
1312 return 0;
1313 }
1314
1315 bt_cmap = (char *)vax_map_physmem(SPX_BT459_CMAP, 1);
1316 if (bt_cmap == 0) {
1317 aprint_error_dev(self,
1318 "unable to map BT459 Color Map register.\n");
1319 return 0;
1320 }
1321
1322 return 1;
1323 }
1324
1325 static int
1326 SPXg_map_fb(device_t self, struct vsbus_attach_args *va)
1327 {
1328 int fbsize = SPXg_WIN_SIZE/VAX_NBPG;
1329 extern vaddr_t virtual_avail;
1330
1331 if (!self) {
1332 spxaddr = (char *)virtual_avail;
1333 virtual_avail += SPXg_WIN_SIZE;
1334 ioaccess((vaddr_t)spxaddr, SPXg_FB_ADDR, fbsize);
1335
1336 bt_addrl = (char *)virtual_avail;
1337 virtual_avail += VAX_NBPG;
1338 ioaccess((vaddr_t)bt_addrl, SPXg_BT460_BASE, 1);
1339
1340 bt_addrh = bt_addrl + 0x04;
1341 bt_reg = bt_addrl + 0x08;
1342 bt_cmap = bt_addrl + 0x0c;
1343 bt_wait = bt_addrl + 0x34;
1344
1345 return 1;
1346 }
1347
1348 spxaddr = (char *)vax_map_physmem(va->va_paddr, fbsize);
1349 if (spxaddr == 0) {
1350 aprint_error_dev(self,
1351 "unable to map framebuffer memory window.\n");
1352 return 0;
1353 }
1354
1355 bt_addrl = (char *)vax_map_physmem(SPXg_BT460_BASE, 1);
1356 if (bt_addrl == 0) {
1357 aprint_error_dev(self,
1358 "unable to map BT460 Low Address register.\n");
1359 return 0;
1360 }
1361 bt_addrh = bt_addrl + 0x04;
1362 bt_reg = bt_addrl + 0x08;
1363 bt_cmap = bt_addrl + 0x0c;
1364 bt_wait = bt_addrl + 0x34;
1365
1366 return 1;
1367 }
1368
1369 static void
1370 SPX_render_font(void)
1371 {
1372 volatile char *fontaddr = spxaddr + FONT_STORAGE_START;
1373 int i, j, k, ch, pixel;
1374
1375 for (i = 0; i < 256; i++) for (j = 0; j < spx_font.fontheight; j++) {
1376 ch = QFONT(i, j);
1377
1378 /* regular characters */
1379 pixel = ((i * spx_font.fontheight)+ j) * spx_font.fontwidth;
1380 for (k = 0; k < spx_font.fontwidth; k++)
1381 if (ch & (1 << k))
1382 fontaddr[pixel++] = 0xff;
1383 else
1384 fontaddr[pixel++] = 0x00;
1385
1386 /* underlined characters */
1387 pixel = (((i + 256) * spx_font.fontheight) + j)
1388 * spx_font.fontwidth;
1389 for (k = 0; k < spx_font.fontwidth; k++)
1390 if ((ch & (1 << k)) || (j == (spx_font.fontheight - 1)))
1391 fontaddr[pixel++] = 0xff;
1392 else
1393 fontaddr[pixel++] = 0x00;
1394 }
1395 }
1396
1397 static void
1398 SPXg_render_font(void)
1399 {
1400 int i, j, k, ch, pixel;
1401
1402 for (i = 0; i < 256; i++) for (j = 0; j < spx_font.fontheight; j++) {
1403 ch = QFONT(i, j);
1404 /* regular characters */
1405 for (k = 0; k < spx_font.fontwidth; k++) {
1406 pixel = FONT_STORAGE_START
1407 + (((i * spx_font.fontheight) + j)
1408 * spx_font.fontwidth) + k;
1409 if ((pixel / SPXg_WIN_LINEAR) != spxg_current_page) {
1410 spxg_switch_page(pixel / SPXg_WIN_LINEAR);
1411 spxg_current_page = (pixel / SPXg_WIN_LINEAR);
1412 }
1413 SPXg_ADDR(pixel) = ch & (1 << k) ? 0xff : 0x00;
1414 spxg_delay();
1415 }
1416
1417 /* underlined characters */
1418 for (k = 0; k < spx_font.fontwidth; k++) {
1419 pixel = FONT_STORAGE_START
1420 + ((((i + 256) * spx_font.fontheight) + j)
1421 * spx_font.fontwidth) + k;
1422 if ((pixel / SPXg_WIN_LINEAR) != spxg_current_page) {
1423 spxg_switch_page(pixel / SPXg_WIN_LINEAR);
1424 spxg_current_page = (pixel / SPXg_WIN_LINEAR);
1425 }
1426 if ((ch & (1 << k)) || (j == (spx_font.fontheight - 1)))
1427 SPXg_ADDR(pixel) = 0xff;
1428 else
1429 SPXg_ADDR(pixel) = 0x00;
1430 spxg_delay();
1431 }
1432 }
1433 }
1434
1435 static void
1436 spx_init_common(device_t self, struct vsbus_attach_args *va)
1437 {
1438 u_int i, j, k;
1439 int cookie;
1440 struct wsdisplay_font *wf;
1441 static int init_done;
1442
1443 if (init_done)
1444 return;
1445
1446 /* KA49: Identify framebuffer type */
1447 switch (vax_confdata & (CONF_LCSPX | CONF_SPXg)) {
1448 case CONF_LCSPX:
1449 fb_type = FB_IS_SPX;
1450 spx_blkcpy_func = SPX_blkcpy;
1451 spx_blkset_func = SPX_blkset;
1452 spx_putchar_func = SPX_putchar;
1453 break;
1454 case CONF_SPXg:
1455 fb_type = FB_IS_SPXg;
1456 spx_blkcpy_func = SPXg_blkcpy;
1457 spx_blkset_func = SPXg_blkset;
1458 spx_putchar_func = SPXg_putchar;
1459 break;
1460 case CONF_LCSPX | CONF_SPXg:
1461 panic("spxcnprobe: incorrect FB configuration\n");
1462 break;
1463 }
1464
1465 /* map SPX registers first */
1466 if (fb_type == FB_IS_SPX) {
1467 SPX_MAP_REGS(self, SPX);
1468 } else if(fb_type == FB_IS_SPXg) {
1469 SPX_MAP_REGS(self, SPXg);
1470 }
1471
1472 if (fb_type == FB_IS_SPXg)
1473 spxg_switch_page(0);
1474
1475 /* any KA42/43 SPX resolution detection code should be placed here */
1476 spx_depth = 8;
1477 spx_xsize = 1280;
1478 spx_ysize = 1024;
1479
1480 wsfont_init();
1481
1482 cookie = wsfont_find(NULL, 12, 21, 0, WSDISPLAY_FONTORDER_R2L,
1483 WSDISPLAY_FONTORDER_L2R);
1484 if (cookie == -1)
1485 cookie = wsfont_find(NULL, 16, 0, 0, WSDISPLAY_FONTORDER_R2L, 0);
1486 if (cookie == -1)
1487 cookie = wsfont_find(NULL, 12, 0, 0, WSDISPLAY_FONTORDER_R2L, 0);
1488 if (cookie == -1)
1489 cookie = wsfont_find(NULL, 8, 0, 0, WSDISPLAY_FONTORDER_R2L, 0);
1490 if (cookie == -1)
1491 cookie = wsfont_find(NULL, 0, 0, 0, WSDISPLAY_FONTORDER_R2L,
1492 WSDISPLAY_FONTORDER_L2R);
1493
1494 if (cookie == -1 || wsfont_lock(cookie, &wf))
1495 panic("spx_common_init: unable to load console font");
1496
1497 spx_font = *wf;
1498
1499 if (self != NULL) {
1500 aprint_normal_dev(self, "Using %s %dx%d font\n", wf->name,
1501 spx_font.fontwidth, spx_font.fontheight);
1502 }
1503
1504 spx_cols = spx_xsize / spx_font.fontwidth;
1505 spx_rows = spx_ysize / spx_font.fontheight;
1506 spx_fb_size = spx_xsize * spx_ysize;
1507 spx_stdscreen.ncols = spx_cols;
1508 spx_stdscreen.nrows = spx_rows;
1509 spx_stdscreen.fontwidth = spx_font.fontwidth;
1510 spx_stdscreen.fontheight = spx_font.fontheight;
1511 sprintf(spx_stdscreen_name, "%dx%d", spx_cols, spx_rows);
1512
1513 /* for SPXg spx_fb_size represents FB window size, not FB length */
1514 if (fb_type == FB_IS_SPXg)
1515 spx_fb_size = SPXg_WIN_SIZE;
1516
1517 qf = spx_font.data;
1518 qf2 = (u_short *)spx_font.data;
1519
1520 if (fb_type == FB_IS_SPX) {
1521 SPX_MAP_FB(self, va, SPX);
1522 } else if (fb_type == FB_IS_SPXg) {
1523 SPX_MAP_FB(self, va, SPXg);
1524 }
1525
1526 /* render font glyphs to off-screen memory */
1527 if (fb_type == FB_IS_SPX)
1528 SPX_render_font();
1529 else if (fb_type == FB_IS_SPXg)
1530 SPXg_render_font();
1531
1532 /* set up default console color palette */
1533 for (i = 0; i < 8; i++) {
1534 spx_cmap.r[i] = spx_default_cmap.r[i];
1535 spx_cmap.g[i] = spx_default_cmap.g[i];
1536 spx_cmap.b[i] = spx_default_cmap.b[i];
1537 spx_update_cmap(i, spx_cmap.r[i], spx_cmap.g[i], spx_cmap.b[i]);
1538 }
1539
1540 /*
1541 * Build 64x64 console cursor bitmap based on font dimensions.
1542 * Palette colors are not used, but 4 pixels 2bpp of cursor sprite,
1543 * fg/bg respectively.
1544 */
1545 for (i = 0; i < 1024; i++)
1546 set_btreg(SPXDAC_REG_CRAM_BASE + i, 0);
1547
1548 /* build cursor line, 1 to 3 pixels high depending on font height */
1549 if (spx_font.fontheight > 26)
1550 i = spx_font.fontheight - 3;
1551 else if (spx_font.fontheight > 16)
1552 i = spx_font.fontheight - 2;
1553 else
1554 i = spx_font.fontheight - 1;
1555
1556 for (; i <= spx_font.fontheight - 1; i++) {
1557 for (j = 0; j < (spx_font.fontwidth >> 2); j++)
1558 set_btreg(SPXDAC_REG_CRAM_BASE + i*16 + j, 0xff);
1559 k = (spx_font.fontwidth & 3) << 1;
1560 set_btreg(SPXDAC_REG_CRAM_BASE + i*16 + j, (1 << k) - 1);
1561 }
1562
1563 if (fb_type == FB_IS_SPX) {
1564 /* set SPX write/read plane masks */
1565 SPX_REG(0x3170) = 0xffffffff;
1566 SPX_REG(0x3174) = 0xffffffff;
1567 }
1568
1569 /* RAMDAC type-specific configuration */
1570 if (fb_type == FB_IS_SPX)
1571 set_btreg(SPXDAC_REG_CMD2, 0xc0);
1572
1573 /* common configuration */
1574 set_btreg(SPXDAC_REG_CMD0, 0x48);
1575 set_btreg(SPXDAC_REG_CMD1, 0x00);
1576 set_btreg(SPXDAC_REG_PRM, 0xff);
1577
1578 set_btreg(SPXDAC_REG_CXLO, 0);
1579 set_btreg(SPXDAC_REG_CXHI, 0);
1580 set_btreg(SPXDAC_REG_CYLO, 0);
1581 set_btreg(SPXDAC_REG_CYHI, 0);
1582
1583 set_btreg(SPXDAC_REG_WXLO, 0);
1584 set_btreg(SPXDAC_REG_WXHI, 0);
1585 set_btreg(SPXDAC_REG_WYLO, 0);
1586 set_btreg(SPXDAC_REG_WYHI, 0);
1587
1588 set_btreg(SPXDAC_REG_WWLO, 0);
1589 set_btreg(SPXDAC_REG_WWHI, 0);
1590 set_btreg(SPXDAC_REG_WHLO, 0);
1591 set_btreg(SPXDAC_REG_WHHI, 0);
1592
1593 init_done = 1;
1594 }
1595