grf.c revision 1.44 1 1.44 rmind /* $NetBSD: grf.c,v 1.44 2011/02/08 20:20:10 rmind Exp $ */
2 1.33 agc
3 1.33 agc /*
4 1.34 leo * Copyright (c) 1995 Leo Weppelman
5 1.44 rmind * Copyright (c) 1988 University of Utah.
6 1.33 agc * Copyright (c) 1990 The Regents of the University of California.
7 1.33 agc * All rights reserved.
8 1.33 agc *
9 1.33 agc * This code is derived from software contributed to Berkeley by
10 1.33 agc * the Systems Programming Group of the University of Utah Computer
11 1.33 agc * Science Department.
12 1.33 agc *
13 1.33 agc * Redistribution and use in source and binary forms, with or without
14 1.33 agc * modification, are permitted provided that the following conditions
15 1.33 agc * are met:
16 1.33 agc * 1. Redistributions of source code must retain the above copyright
17 1.33 agc * notice, this list of conditions and the following disclaimer.
18 1.33 agc * 2. Redistributions in binary form must reproduce the above copyright
19 1.33 agc * notice, this list of conditions and the following disclaimer in the
20 1.33 agc * documentation and/or other materials provided with the distribution.
21 1.33 agc * 3. Neither the name of the University nor the names of its contributors
22 1.33 agc * may be used to endorse or promote products derived from this software
23 1.33 agc * without specific prior written permission.
24 1.33 agc *
25 1.33 agc * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 1.33 agc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 1.33 agc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 1.33 agc * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 1.33 agc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 1.33 agc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 1.33 agc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 1.33 agc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 1.33 agc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 1.33 agc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 1.33 agc * SUCH DAMAGE.
36 1.33 agc *
37 1.33 agc * from: Utah $Hdr: grf.c 1.31 91/01/21$
38 1.33 agc *
39 1.33 agc * @(#)grf.c 7.8 (Berkeley) 5/7/91
40 1.33 agc */
41 1.1 leo
42 1.1 leo /*
43 1.1 leo * Graphics display driver for the Atari
44 1.1 leo * This is the hardware-independent portion of the driver.
45 1.1 leo * Hardware access is through the grf_softc->g_mode routine.
46 1.1 leo */
47 1.32 lukem
48 1.32 lukem #include <sys/cdefs.h>
49 1.44 rmind __KERNEL_RCSID(0, "$NetBSD: grf.c,v 1.44 2011/02/08 20:20:10 rmind Exp $");
50 1.1 leo
51 1.1 leo #include <sys/param.h>
52 1.1 leo #include <sys/proc.h>
53 1.1 leo #include <sys/ioctl.h>
54 1.1 leo #include <sys/device.h>
55 1.1 leo #include <sys/file.h>
56 1.1 leo #include <sys/malloc.h>
57 1.1 leo #include <sys/conf.h>
58 1.1 leo #include <sys/systm.h>
59 1.1 leo #include <sys/vnode.h>
60 1.1 leo #include <sys/mman.h>
61 1.25 mrg
62 1.1 leo #include <machine/cpu.h>
63 1.25 mrg
64 1.25 mrg #include <uvm/uvm_extern.h>
65 1.25 mrg
66 1.1 leo #include <atari/atari/device.h>
67 1.1 leo #include <atari/dev/grfioctl.h>
68 1.1 leo #include <atari/dev/grfabs_reg.h>
69 1.1 leo #include <atari/dev/grfvar.h>
70 1.1 leo #include <atari/dev/itevar.h>
71 1.1 leo #include <atari/dev/viewioctl.h>
72 1.1 leo #include <atari/dev/viewvar.h>
73 1.1 leo
74 1.42 tsutsui #include "ioconf.h"
75 1.42 tsutsui
76 1.12 leo #include "grfcc.h"
77 1.12 leo #include "grfet.h"
78 1.12 leo #define NGRF (NGRFCC + NGRFET)
79 1.12 leo
80 1.1 leo #if NGRF > 0
81 1.1 leo
82 1.1 leo #include "ite.h"
83 1.1 leo #if NITE == 0
84 1.1 leo #define ite_on(u,f)
85 1.1 leo #define ite_off(u,f)
86 1.1 leo #define ite_reinit(d)
87 1.1 leo #endif
88 1.1 leo
89 1.37 dsl int grfon(dev_t);
90 1.37 dsl int grfoff(dev_t);
91 1.37 dsl int grfsinfo(dev_t, struct grfdyninfo *);
92 1.37 dsl
93 1.37 dsl int grfbusprint(void *auxp, const char *);
94 1.37 dsl int grfbusmatch(struct device *, struct cfdata *, void *);
95 1.37 dsl void grfbusattach(struct device *, struct device *, void *);
96 1.1 leo
97 1.1 leo /*
98 1.1 leo * pointers to grf drivers device structs
99 1.1 leo */
100 1.12 leo struct grf_softc *grfsp[NGRF]; /* XXX */
101 1.1 leo
102 1.29 thorpej CFATTACH_DECL(grfbus, sizeof(struct device),
103 1.29 thorpej grfbusmatch, grfbusattach, NULL, NULL);
104 1.8 thorpej
105 1.27 gehenna dev_type_open(grfopen);
106 1.27 gehenna dev_type_close(grfclose);
107 1.27 gehenna dev_type_ioctl(grfioctl);
108 1.27 gehenna dev_type_mmap(grfmmap);
109 1.27 gehenna
110 1.27 gehenna const struct cdevsw grf_cdevsw = {
111 1.27 gehenna grfopen, grfclose, noread, nowrite, grfioctl,
112 1.31 jdolecek nostop, notty, nopoll, grfmmap, nokqfilter,
113 1.27 gehenna };
114 1.27 gehenna
115 1.1 leo /*
116 1.1 leo * only used in console init.
117 1.1 leo */
118 1.1 leo static struct cfdata *cfdata_gbus = NULL;
119 1.1 leo
120 1.1 leo int
121 1.38 dsl grfbusmatch(struct device *pdp, struct cfdata *cfp, void *auxp)
122 1.1 leo {
123 1.1 leo
124 1.43 tsutsui if (strcmp(auxp, grfbus_cd.cd_name))
125 1.43 tsutsui return 0;
126 1.43 tsutsui
127 1.43 tsutsui if (atari_realconfig == 0)
128 1.12 leo cfdata_gbus = cfp;
129 1.43 tsutsui return 1; /* Always there */
130 1.1 leo }
131 1.1 leo
132 1.1 leo void
133 1.39 dsl grfbusattach(struct device *pdp, struct device *dp, void *auxp)
134 1.1 leo {
135 1.43 tsutsui grf_auxp_t grf_auxp;
136 1.12 leo
137 1.43 tsutsui grf_auxp.busprint = grfbusprint;
138 1.43 tsutsui grf_auxp.from_bus_match = 1;
139 1.1 leo
140 1.43 tsutsui if (dp == NULL) /* Console init */
141 1.43 tsutsui atari_config_found(cfdata_gbus, NULL, &grf_auxp, grfbusprint);
142 1.43 tsutsui else {
143 1.43 tsutsui printf("\n");
144 1.43 tsutsui config_found(dp, &grf_auxp, grfbusprint);
145 1.43 tsutsui }
146 1.1 leo }
147 1.1 leo
148 1.1 leo int
149 1.38 dsl grfbusprint(void *auxp, const char *name)
150 1.1 leo {
151 1.43 tsutsui
152 1.43 tsutsui if (name == NULL)
153 1.43 tsutsui return UNCONF;
154 1.43 tsutsui return QUIET;
155 1.1 leo }
156 1.1 leo
157 1.1 leo /*ARGSUSED*/
158 1.1 leo int
159 1.39 dsl grfopen(dev_t dev, int flags, int devtype, struct lwp *l)
160 1.1 leo {
161 1.1 leo struct grf_softc *gp;
162 1.1 leo
163 1.1 leo if (GRFUNIT(dev) >= NGRF)
164 1.43 tsutsui return ENXIO;
165 1.1 leo
166 1.1 leo gp = grfsp[GRFUNIT(dev)];
167 1.19 leo if (gp == NULL)
168 1.43 tsutsui return ENXIO;
169 1.1 leo
170 1.1 leo if ((gp->g_flags & GF_ALIVE) == 0)
171 1.43 tsutsui return ENXIO;
172 1.1 leo
173 1.1 leo if ((gp->g_flags & (GF_OPEN|GF_EXCLUDE)) == (GF_OPEN|GF_EXCLUDE))
174 1.43 tsutsui return EBUSY;
175 1.6 leo grf_viewsync(gp);
176 1.1 leo
177 1.43 tsutsui return 0;
178 1.1 leo }
179 1.1 leo
180 1.1 leo /*ARGSUSED*/
181 1.1 leo int
182 1.38 dsl grfclose(dev_t dev, int flags, int mode, struct lwp *l)
183 1.1 leo {
184 1.1 leo struct grf_softc *gp;
185 1.1 leo
186 1.1 leo gp = grfsp[GRFUNIT(dev)];
187 1.1 leo (void)grfoff(dev);
188 1.1 leo gp->g_flags &= GF_ALIVE;
189 1.43 tsutsui return 0;
190 1.1 leo }
191 1.1 leo
192 1.1 leo /*ARGSUSED*/
193 1.1 leo int
194 1.38 dsl grfioctl(dev_t dev, u_long cmd, void * data, int flag, struct lwp *l)
195 1.1 leo {
196 1.1 leo struct grf_softc *gp;
197 1.1 leo int error;
198 1.27 gehenna extern const struct cdevsw view_cdevsw;
199 1.1 leo
200 1.1 leo gp = grfsp[GRFUNIT(dev)];
201 1.1 leo error = 0;
202 1.1 leo
203 1.1 leo switch (cmd) {
204 1.1 leo case OGRFIOCGINFO:
205 1.1 leo /* argl.. no bank-member.. */
206 1.41 tsutsui memcpy(data, (void *)&gp->g_display, sizeof(struct grfinfo)-4);
207 1.1 leo break;
208 1.1 leo case GRFIOCGINFO:
209 1.41 tsutsui memcpy(data, (void *)&gp->g_display, sizeof(struct grfinfo));
210 1.1 leo break;
211 1.1 leo case GRFIOCON:
212 1.1 leo error = grfon(dev);
213 1.1 leo break;
214 1.1 leo case GRFIOCOFF:
215 1.1 leo error = grfoff(dev);
216 1.1 leo break;
217 1.1 leo case GRFIOCSINFO:
218 1.1 leo error = grfsinfo(dev, (struct grfdyninfo *) data);
219 1.1 leo break;
220 1.1 leo case GRFGETVMODE:
221 1.43 tsutsui return gp->g_mode(gp, GM_GRFGETVMODE, data, 0, 0);
222 1.1 leo case GRFSETVMODE:
223 1.7 leo error = gp->g_mode(gp, GM_GRFSETVMODE, data, 0, 0);
224 1.1 leo if (error == 0 && gp->g_itedev)
225 1.1 leo ite_reinit(gp->g_itedev);
226 1.1 leo break;
227 1.1 leo case GRFGETNUMVM:
228 1.43 tsutsui return gp->g_mode(gp, GM_GRFGETNUMVM, data, 0, 0);
229 1.1 leo /*
230 1.1 leo * these are all hardware dependant, and have to be resolved
231 1.1 leo * in the respective driver.
232 1.1 leo */
233 1.1 leo case GRFIOCPUTCMAP:
234 1.1 leo case GRFIOCGETCMAP:
235 1.1 leo case GRFIOCSSPRITEPOS:
236 1.1 leo case GRFIOCGSPRITEPOS:
237 1.1 leo case GRFIOCSSPRITEINF:
238 1.1 leo case GRFIOCGSPRITEINF:
239 1.1 leo case GRFIOCGSPRITEMAX:
240 1.1 leo default:
241 1.1 leo /*
242 1.1 leo * check to see whether it's a command recognized by the
243 1.1 leo * view code.
244 1.1 leo */
245 1.43 tsutsui return (*view_cdevsw.d_ioctl)(gp->g_viewdev,
246 1.43 tsutsui cmd, data, flag, l);
247 1.1 leo error = EINVAL;
248 1.1 leo break;
249 1.1 leo
250 1.1 leo }
251 1.43 tsutsui return error;
252 1.1 leo }
253 1.1 leo
254 1.1 leo /*
255 1.1 leo * map the contents of a graphics display card into process'
256 1.1 leo * memory space.
257 1.1 leo */
258 1.23 simonb paddr_t
259 1.38 dsl grfmmap(dev_t dev, off_t off, int prot)
260 1.1 leo {
261 1.5 leo struct grf_softc *gp;
262 1.5 leo struct grfinfo *gi;
263 1.22 thomas u_int vgabase, linbase;
264 1.5 leo
265 1.5 leo gp = grfsp[GRFUNIT(dev)];
266 1.5 leo gi = &gp->g_display;
267 1.18 leo
268 1.22 thomas vgabase = gi->gd_vgabase;
269 1.22 thomas linbase = gi->gd_linbase;
270 1.22 thomas
271 1.18 leo /*
272 1.18 leo * control registers
273 1.18 leo */
274 1.18 leo if (off >= 0 && off < gi->gd_regsize)
275 1.43 tsutsui return ((paddr_t)gi->gd_regaddr + off) >> PGSHIFT;
276 1.5 leo
277 1.5 leo /*
278 1.22 thomas * VGA memory
279 1.22 thomas */
280 1.22 thomas if (off >= vgabase && off < (vgabase + gi->gd_vgasize))
281 1.43 tsutsui return ((paddr_t)gi->gd_vgaaddr - vgabase + off) >> PGSHIFT;
282 1.22 thomas
283 1.22 thomas /*
284 1.5 leo * frame buffer
285 1.5 leo */
286 1.22 thomas if (off >= linbase && off < (linbase + gi->gd_fbsize))
287 1.43 tsutsui return ((paddr_t)gi->gd_fbaddr - linbase + off) >> PGSHIFT;
288 1.43 tsutsui return -1;
289 1.1 leo }
290 1.1 leo
291 1.1 leo int
292 1.38 dsl grfon(dev_t dev)
293 1.1 leo {
294 1.1 leo struct grf_softc *gp;
295 1.1 leo
296 1.1 leo gp = grfsp[GRFUNIT(dev)];
297 1.1 leo
298 1.1 leo if (gp->g_flags & GF_GRFON)
299 1.43 tsutsui return 0;
300 1.1 leo
301 1.1 leo gp->g_flags |= GF_GRFON;
302 1.1 leo if (gp->g_itedev != NODEV)
303 1.1 leo ite_off(gp->g_itedev, 3);
304 1.1 leo
305 1.43 tsutsui return gp->g_mode(gp, (dev & GRFOVDEV) ? GM_GRFOVON : GM_GRFON,
306 1.43 tsutsui NULL, 0, 0);
307 1.1 leo }
308 1.1 leo
309 1.1 leo int
310 1.38 dsl grfoff(dev_t dev)
311 1.1 leo {
312 1.1 leo struct grf_softc *gp;
313 1.1 leo int error;
314 1.1 leo
315 1.1 leo gp = grfsp[GRFUNIT(dev)];
316 1.1 leo
317 1.1 leo if ((gp->g_flags & GF_GRFON) == 0)
318 1.43 tsutsui return 0;
319 1.1 leo
320 1.1 leo gp->g_flags &= ~GF_GRFON;
321 1.7 leo error = gp->g_mode(gp, (dev & GRFOVDEV) ? GM_GRFOVOFF : GM_GRFOFF,
322 1.43 tsutsui NULL, 0, 0);
323 1.1 leo
324 1.1 leo /*
325 1.1 leo * Closely tied together no X's
326 1.1 leo */
327 1.1 leo if (gp->g_itedev != NODEV)
328 1.1 leo ite_on(gp->g_itedev, 2);
329 1.1 leo
330 1.43 tsutsui return error;
331 1.1 leo }
332 1.1 leo
333 1.1 leo int
334 1.38 dsl grfsinfo(dev_t dev, struct grfdyninfo *dyninfo)
335 1.1 leo {
336 1.1 leo struct grf_softc *gp;
337 1.1 leo int error;
338 1.1 leo
339 1.1 leo gp = grfsp[GRFUNIT(dev)];
340 1.7 leo error = gp->g_mode(gp, GM_GRFCONFIG, dyninfo, 0, 0);
341 1.1 leo
342 1.1 leo /*
343 1.1 leo * Closely tied together no X's
344 1.1 leo */
345 1.1 leo if (gp->g_itedev != NODEV)
346 1.1 leo ite_reinit(gp->g_itedev);
347 1.43 tsutsui return error;
348 1.1 leo }
349 1.1 leo
350 1.1 leo /*
351 1.1 leo * Get the grf-info in sync with underlying view.
352 1.1 leo */
353 1.12 leo void
354 1.38 dsl grf_viewsync(struct grf_softc *gp)
355 1.1 leo {
356 1.1 leo struct view_size vs;
357 1.1 leo bmap_t bm;
358 1.1 leo struct grfinfo *gi;
359 1.27 gehenna extern const struct cdevsw view_cdevsw;
360 1.1 leo
361 1.1 leo gi = &gp->g_display;
362 1.1 leo
363 1.36 christos (*view_cdevsw.d_ioctl)(gp->g_viewdev, VIOCGBMAP, (void *)&bm,
364 1.35 christos 0, NOLWP);
365 1.1 leo
366 1.36 christos gp->g_data = (void *) 0xDeadBeaf; /* not particularly clean.. */
367 1.1 leo
368 1.1 leo gi->gd_fbaddr = bm.hw_address;
369 1.20 leo gi->gd_fbsize = bm.phys_mappable;
370 1.22 thomas gi->gd_linbase = bm.lin_base;
371 1.12 leo gi->gd_regaddr = bm.hw_regs;
372 1.12 leo gi->gd_regsize = bm.reg_size;
373 1.22 thomas gi->gd_vgaaddr = bm.vga_address;
374 1.22 thomas gi->gd_vgasize = bm.vga_mappable;
375 1.22 thomas gi->gd_vgabase = bm.vga_base;
376 1.1 leo
377 1.43 tsutsui if ((*view_cdevsw.d_ioctl)(gp->g_viewdev, VIOCGSIZE, (void *)&vs, 0,
378 1.43 tsutsui NOLWP)) {
379 1.1 leo /*
380 1.1 leo * fill in some default values...
381 1.1 leo * XXX: Should _never_ happen
382 1.1 leo */
383 1.1 leo vs.width = 640;
384 1.1 leo vs.height = 400;
385 1.3 leo vs.depth = 1;
386 1.1 leo }
387 1.1 leo gi->gd_colors = 1 << vs.depth;
388 1.1 leo gi->gd_planes = vs.depth;
389 1.1 leo
390 1.1 leo gi->gd_fbwidth = vs.width;
391 1.1 leo gi->gd_fbheight = vs.height;
392 1.1 leo gi->gd_dyn.gdi_fbx = 0;
393 1.1 leo gi->gd_dyn.gdi_fby = 0;
394 1.1 leo gi->gd_dyn.gdi_dwidth = vs.width;
395 1.1 leo gi->gd_dyn.gdi_dheight = vs.height;
396 1.1 leo gi->gd_dyn.gdi_dx = 0;
397 1.1 leo gi->gd_dyn.gdi_dy = 0;
398 1.1 leo }
399 1.1 leo
400 1.1 leo /*
401 1.1 leo * Change the mode of the display.
402 1.1 leo * Right now all we can do is grfon/grfoff.
403 1.1 leo * Return a UNIX error number or 0 for success.
404 1.1 leo */
405 1.1 leo /*ARGSUSED*/
406 1.12 leo int
407 1.39 dsl grf_mode(struct grf_softc *gp, int cmd, void *arg, int a2, int a3)
408 1.1 leo {
409 1.27 gehenna extern const struct cdevsw view_cdevsw;
410 1.27 gehenna
411 1.1 leo switch (cmd) {
412 1.1 leo case GM_GRFON:
413 1.1 leo /*
414 1.1 leo * Get in sync with view, ite might have changed it.
415 1.1 leo */
416 1.1 leo grf_viewsync(gp);
417 1.27 gehenna (*view_cdevsw.d_ioctl)(gp->g_viewdev, VIOCDISPLAY,
418 1.35 christos NULL, 0, NOLWP);
419 1.43 tsutsui return 0;
420 1.1 leo case GM_GRFOFF:
421 1.27 gehenna (*view_cdevsw.d_ioctl)(gp->g_viewdev, VIOCREMOVE,
422 1.35 christos NULL, 0, NOLWP);
423 1.43 tsutsui return 0;
424 1.1 leo case GM_GRFCONFIG:
425 1.1 leo default:
426 1.1 leo break;
427 1.1 leo }
428 1.43 tsutsui return EPASSTHROUGH;
429 1.1 leo }
430 1.1 leo #endif /* NGRF > 0 */
431