tga.c revision 1.11 1 1.11 drochner /* $NetBSD: tga.c,v 1.11 1999/01/11 21:35:55 drochner Exp $ */
2 1.1 drochner
3 1.1 drochner /*
4 1.1 drochner * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5 1.1 drochner * All rights reserved.
6 1.1 drochner *
7 1.1 drochner * Author: Chris G. Demetriou
8 1.1 drochner *
9 1.1 drochner * Permission to use, copy, modify and distribute this software and
10 1.1 drochner * its documentation is hereby granted, provided that both the copyright
11 1.1 drochner * notice and this permission notice appear in all copies of the
12 1.1 drochner * software, derivative works or modified versions, and any portions
13 1.1 drochner * thereof, and that both notices appear in supporting documentation.
14 1.1 drochner *
15 1.1 drochner * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 1.1 drochner * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 1.1 drochner * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 1.1 drochner *
19 1.1 drochner * Carnegie Mellon requests users of this software to return to
20 1.1 drochner *
21 1.1 drochner * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
22 1.1 drochner * School of Computer Science
23 1.1 drochner * Carnegie Mellon University
24 1.1 drochner * Pittsburgh PA 15213-3890
25 1.1 drochner *
26 1.1 drochner * any improvements or extensions that they make and grant Carnegie the
27 1.1 drochner * rights to redistribute these changes.
28 1.1 drochner */
29 1.1 drochner
30 1.8 thorpej #include "opt_uvm.h"
31 1.8 thorpej
32 1.1 drochner #include <sys/param.h>
33 1.1 drochner #include <sys/systm.h>
34 1.1 drochner #include <sys/kernel.h>
35 1.1 drochner #include <sys/device.h>
36 1.1 drochner #include <sys/conf.h>
37 1.1 drochner #include <sys/malloc.h>
38 1.1 drochner #include <sys/buf.h>
39 1.1 drochner #include <sys/ioctl.h>
40 1.1 drochner
41 1.8 thorpej #include <vm/vm.h>
42 1.8 thorpej
43 1.1 drochner #include <machine/bus.h>
44 1.1 drochner #include <machine/intr.h>
45 1.1 drochner
46 1.1 drochner #include <dev/pci/pcireg.h>
47 1.1 drochner #include <dev/pci/pcivar.h>
48 1.1 drochner #include <dev/pci/pcidevs.h>
49 1.1 drochner #include <dev/pci/tgareg.h>
50 1.1 drochner #include <dev/pci/tgavar.h>
51 1.1 drochner #include <dev/ic/bt485reg.h>
52 1.1 drochner
53 1.1 drochner #include <dev/rcons/raster.h>
54 1.1 drochner #include <dev/wscons/wsconsio.h>
55 1.1 drochner #include <dev/wscons/wscons_raster.h>
56 1.1 drochner #include <dev/wscons/wsdisplayvar.h>
57 1.1 drochner
58 1.1 drochner #ifdef __alpha__
59 1.1 drochner #include <machine/pte.h>
60 1.1 drochner #endif
61 1.1 drochner
62 1.1 drochner int tgamatch __P((struct device *, struct cfdata *, void *));
63 1.1 drochner void tgaattach __P((struct device *, struct device *, void *));
64 1.1 drochner int tgaprint __P((void *, const char *));
65 1.1 drochner
66 1.1 drochner struct cfattach tga_ca = {
67 1.1 drochner sizeof(struct tga_softc), tgamatch, tgaattach,
68 1.1 drochner };
69 1.1 drochner
70 1.1 drochner int tga_identify __P((tga_reg_t *));
71 1.1 drochner const struct tga_conf *tga_getconf __P((int));
72 1.1 drochner void tga_getdevconfig __P((bus_space_tag_t memt, pci_chipset_tag_t pc,
73 1.1 drochner pcitag_t tag, struct tga_devconfig *dc));
74 1.1 drochner
75 1.1 drochner struct tga_devconfig tga_console_dc;
76 1.1 drochner
77 1.1 drochner struct wsdisplay_emulops tga_emulops = {
78 1.1 drochner rcons_cursor, /* could use hardware cursor; punt */
79 1.6 drochner rcons_mapchar,
80 1.5 drochner rcons_putchar,
81 1.1 drochner rcons_copycols,
82 1.1 drochner rcons_erasecols,
83 1.1 drochner rcons_copyrows,
84 1.1 drochner rcons_eraserows,
85 1.4 drochner rcons_alloc_attr
86 1.1 drochner };
87 1.1 drochner
88 1.1 drochner struct wsscreen_descr tga_stdscreen = {
89 1.1 drochner "std",
90 1.4 drochner 0, 0, /* will be filled in -- XXX shouldn't, it's global */
91 1.1 drochner &tga_emulops,
92 1.4 drochner 0, 0,
93 1.4 drochner WSSCREEN_REVERSE
94 1.1 drochner };
95 1.1 drochner
96 1.1 drochner const struct wsscreen_descr *_tga_scrlist[] = {
97 1.1 drochner &tga_stdscreen,
98 1.1 drochner /* XXX other formats, graphics screen? */
99 1.1 drochner };
100 1.1 drochner
101 1.1 drochner struct wsscreen_list tga_screenlist = {
102 1.1 drochner sizeof(_tga_scrlist) / sizeof(struct wsscreen_descr *), _tga_scrlist
103 1.1 drochner };
104 1.1 drochner
105 1.1 drochner int tga_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
106 1.1 drochner int tga_mmap __P((void *, off_t, int));
107 1.1 drochner static int tga_alloc_screen __P((void *, const struct wsscreen_descr *,
108 1.4 drochner void **, int *, int *, long *));
109 1.1 drochner static void tga_free_screen __P((void *, void *));
110 1.1 drochner static void tga_show_screen __P((void *, void *));
111 1.1 drochner
112 1.1 drochner struct wsdisplay_accessops tga_accessops = {
113 1.1 drochner tga_ioctl,
114 1.1 drochner tga_mmap,
115 1.1 drochner tga_alloc_screen,
116 1.1 drochner tga_free_screen,
117 1.1 drochner tga_show_screen,
118 1.11 drochner 0 /* load_font */
119 1.1 drochner };
120 1.1 drochner
121 1.1 drochner void tga_blank __P((struct tga_devconfig *));
122 1.1 drochner void tga_unblank __P((struct tga_devconfig *));
123 1.1 drochner
124 1.1 drochner int
125 1.1 drochner tgamatch(parent, match, aux)
126 1.1 drochner struct device *parent;
127 1.1 drochner struct cfdata *match;
128 1.1 drochner void *aux;
129 1.1 drochner {
130 1.1 drochner struct pci_attach_args *pa = aux;
131 1.1 drochner
132 1.1 drochner if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_DEC ||
133 1.1 drochner PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_DEC_21030)
134 1.1 drochner return (0);
135 1.1 drochner
136 1.1 drochner return (10);
137 1.1 drochner }
138 1.1 drochner
139 1.1 drochner void
140 1.1 drochner tga_getdevconfig(memt, pc, tag, dc)
141 1.1 drochner bus_space_tag_t memt;
142 1.1 drochner pci_chipset_tag_t pc;
143 1.1 drochner pcitag_t tag;
144 1.1 drochner struct tga_devconfig *dc;
145 1.1 drochner {
146 1.1 drochner const struct tga_conf *tgac;
147 1.1 drochner const struct tga_ramdac_conf *tgar;
148 1.1 drochner struct raster *rap;
149 1.1 drochner struct rcons *rcp;
150 1.1 drochner bus_size_t pcisize;
151 1.1 drochner int i, flags;
152 1.1 drochner
153 1.1 drochner dc->dc_memt = memt;
154 1.1 drochner dc->dc_pc = pc;
155 1.1 drochner
156 1.1 drochner dc->dc_pcitag = tag;
157 1.1 drochner
158 1.1 drochner /* XXX magic number */
159 1.1 drochner if (pci_mapreg_info(pc, tag, 0x10,
160 1.1 drochner PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
161 1.1 drochner &dc->dc_pcipaddr, &pcisize, &flags))
162 1.1 drochner return;
163 1.1 drochner if ((flags & BUS_SPACE_MAP_CACHEABLE) == 0) /* XXX */
164 1.1 drochner panic("tga memory not cacheable");
165 1.1 drochner
166 1.1 drochner if (bus_space_map(memt, dc->dc_pcipaddr, pcisize,
167 1.1 drochner BUS_SPACE_MAP_CACHEABLE | BUS_SPACE_MAP_LINEAR, &dc->dc_vaddr))
168 1.1 drochner return;
169 1.1 drochner #ifdef __alpha__
170 1.1 drochner dc->dc_paddr = ALPHA_K0SEG_TO_PHYS(dc->dc_vaddr); /* XXX */
171 1.1 drochner #endif
172 1.1 drochner
173 1.1 drochner dc->dc_regs = (tga_reg_t *)(dc->dc_vaddr + TGA_MEM_CREGS);
174 1.1 drochner dc->dc_tga_type = tga_identify(dc->dc_regs);
175 1.1 drochner tgac = dc->dc_tgaconf = tga_getconf(dc->dc_tga_type);
176 1.1 drochner if (tgac == NULL)
177 1.1 drochner return;
178 1.1 drochner
179 1.1 drochner #if 0
180 1.1 drochner /* XXX on the Alpha, pcisize = 4 * cspace_size. */
181 1.1 drochner if (tgac->tgac_cspace_size != pcisize) /* sanity */
182 1.1 drochner panic("tga_getdevconfig: memory size mismatch?");
183 1.1 drochner #endif
184 1.1 drochner
185 1.1 drochner tgar = tgac->tgac_ramdac;
186 1.1 drochner
187 1.1 drochner switch (dc->dc_regs[TGA_REG_VHCR] & 0x1ff) { /* XXX */
188 1.1 drochner case 0:
189 1.1 drochner dc->dc_wid = 8192;
190 1.1 drochner break;
191 1.1 drochner
192 1.1 drochner case 1:
193 1.1 drochner dc->dc_wid = 8196;
194 1.1 drochner break;
195 1.1 drochner
196 1.1 drochner default:
197 1.1 drochner dc->dc_wid = (dc->dc_regs[TGA_REG_VHCR] & 0x1ff) * 4; /* XXX */
198 1.1 drochner break;
199 1.1 drochner }
200 1.1 drochner
201 1.1 drochner dc->dc_rowbytes = dc->dc_wid * (dc->dc_tgaconf->tgac_phys_depth / 8);
202 1.1 drochner
203 1.1 drochner if ((dc->dc_regs[TGA_REG_VHCR] & 0x00000001) != 0 && /* XXX */
204 1.1 drochner (dc->dc_regs[TGA_REG_VHCR] & 0x80000000) != 0) { /* XXX */
205 1.1 drochner dc->dc_wid -= 4;
206 1.1 drochner /*
207 1.1 drochner * XXX XXX turning off 'odd' shouldn't be necesssary,
208 1.1 drochner * XXX XXX but i can't make X work with the weird size.
209 1.1 drochner */
210 1.1 drochner dc->dc_regs[TGA_REG_VHCR] &= ~0x80000001;
211 1.1 drochner dc->dc_rowbytes =
212 1.1 drochner dc->dc_wid * (dc->dc_tgaconf->tgac_phys_depth / 8);
213 1.1 drochner }
214 1.1 drochner
215 1.1 drochner dc->dc_ht = (dc->dc_regs[TGA_REG_VVCR] & 0x7ff); /* XXX */
216 1.1 drochner
217 1.1 drochner /* XXX this seems to be what DEC does */
218 1.1 drochner dc->dc_regs[TGA_REG_CCBR] = 0;
219 1.1 drochner dc->dc_regs[TGA_REG_VVBR] = 1;
220 1.1 drochner dc->dc_videobase = dc->dc_vaddr + tgac->tgac_dbuf[0] +
221 1.1 drochner 1 * tgac->tgac_vvbr_units;
222 1.1 drochner dc->dc_blanked = 1;
223 1.1 drochner tga_unblank(dc);
224 1.1 drochner
225 1.1 drochner /*
226 1.1 drochner * Set all bits in the pixel mask, to enable writes to all pixels.
227 1.1 drochner * It seems that the console firmware clears some of them
228 1.1 drochner * under some circumstances, which causes cute vertical stripes.
229 1.1 drochner */
230 1.1 drochner dc->dc_regs[TGA_REG_GPXR_P] = 0xffffffff;
231 1.1 drochner
232 1.1 drochner /* clear the screen */
233 1.1 drochner for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
234 1.1 drochner *(u_int32_t *)(dc->dc_videobase + i) = 0;
235 1.1 drochner
236 1.1 drochner /* initialize the raster */
237 1.1 drochner rap = &dc->dc_raster;
238 1.1 drochner rap->width = dc->dc_wid;
239 1.1 drochner rap->height = dc->dc_ht;
240 1.1 drochner rap->depth = tgac->tgac_phys_depth;
241 1.1 drochner rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
242 1.1 drochner rap->pixels = (u_int32_t *)dc->dc_videobase;
243 1.1 drochner
244 1.1 drochner /* initialize the raster console blitter */
245 1.1 drochner rcp = &dc->dc_rcons;
246 1.1 drochner rcp->rc_sp = rap;
247 1.1 drochner rcp->rc_crow = rcp->rc_ccol = -1;
248 1.1 drochner rcp->rc_crowp = &rcp->rc_crow;
249 1.1 drochner rcp->rc_ccolp = &rcp->rc_ccol;
250 1.1 drochner rcons_init(rcp, 34, 80);
251 1.1 drochner
252 1.1 drochner tga_stdscreen.nrows = dc->dc_rcons.rc_maxrow;
253 1.1 drochner tga_stdscreen.ncols = dc->dc_rcons.rc_maxcol;
254 1.1 drochner }
255 1.1 drochner
256 1.1 drochner void
257 1.1 drochner tgaattach(parent, self, aux)
258 1.1 drochner struct device *parent, *self;
259 1.1 drochner void *aux;
260 1.1 drochner {
261 1.1 drochner struct pci_attach_args *pa = aux;
262 1.1 drochner struct tga_softc *sc = (struct tga_softc *)self;
263 1.1 drochner struct wsemuldisplaydev_attach_args aa;
264 1.1 drochner pci_intr_handle_t intrh;
265 1.1 drochner const char *intrstr;
266 1.1 drochner u_int8_t rev;
267 1.1 drochner int console;
268 1.1 drochner
269 1.1 drochner #ifdef __alpha__
270 1.1 drochner console = (pa->pa_tag == tga_console_dc.dc_pcitag);
271 1.1 drochner #else
272 1.1 drochner console = 0;
273 1.1 drochner #endif
274 1.1 drochner if (console) {
275 1.1 drochner sc->sc_dc = &tga_console_dc;
276 1.1 drochner sc->nscreens = 1;
277 1.1 drochner } else {
278 1.1 drochner sc->sc_dc = (struct tga_devconfig *)
279 1.1 drochner malloc(sizeof(struct tga_devconfig), M_DEVBUF, M_WAITOK);
280 1.9 drochner bzero(sc->sc_dc, sizeof(struct tga_devconfig));
281 1.1 drochner tga_getdevconfig(pa->pa_memt, pa->pa_pc, pa->pa_tag, sc->sc_dc);
282 1.1 drochner }
283 1.1 drochner if (sc->sc_dc->dc_vaddr == NULL) {
284 1.1 drochner printf(": couldn't map memory space; punt!\n");
285 1.1 drochner return;
286 1.1 drochner }
287 1.1 drochner
288 1.1 drochner /* XXX say what's going on. */
289 1.1 drochner intrstr = NULL;
290 1.1 drochner if (sc->sc_dc->dc_tgaconf->tgac_ramdac->tgar_intr != NULL) {
291 1.1 drochner if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
292 1.1 drochner pa->pa_intrline, &intrh)) {
293 1.1 drochner printf(": couldn't map interrupt");
294 1.1 drochner return;
295 1.1 drochner }
296 1.1 drochner intrstr = pci_intr_string(pa->pa_pc, intrh);
297 1.1 drochner sc->sc_intr = pci_intr_establish(pa->pa_pc, intrh, IPL_TTY,
298 1.1 drochner sc->sc_dc->dc_tgaconf->tgac_ramdac->tgar_intr, sc->sc_dc);
299 1.1 drochner if (sc->sc_intr == NULL) {
300 1.1 drochner printf(": couldn't establish interrupt");
301 1.1 drochner if (intrstr != NULL)
302 1.1 drochner printf("at %s", intrstr);
303 1.1 drochner printf("\n");
304 1.1 drochner return;
305 1.1 drochner }
306 1.1 drochner }
307 1.1 drochner
308 1.1 drochner /*
309 1.1 drochner * Initialize the RAMDAC and allocate any private storage it needs.
310 1.1 drochner * Initialization includes disabling cursor, setting a sane
311 1.1 drochner * colormap, etc.
312 1.1 drochner */
313 1.1 drochner (*sc->sc_dc->dc_tgaconf->tgac_ramdac->tgar_init)(sc->sc_dc, 1);
314 1.1 drochner
315 1.1 drochner printf(": DC21030 ");
316 1.1 drochner rev = PCI_REVISION(pa->pa_class);
317 1.1 drochner switch (rev) {
318 1.1 drochner case 1: case 2: case 3:
319 1.1 drochner printf("step %c", 'A' + rev - 1);
320 1.1 drochner break;
321 1.1 drochner
322 1.1 drochner default:
323 1.1 drochner printf("unknown stepping (0x%x)", rev);
324 1.1 drochner break;
325 1.1 drochner }
326 1.1 drochner printf(", ");
327 1.1 drochner
328 1.1 drochner if (sc->sc_dc->dc_tgaconf == NULL) {
329 1.1 drochner printf("unknown board configuration\n");
330 1.1 drochner return;
331 1.1 drochner }
332 1.1 drochner printf("board type %s\n", sc->sc_dc->dc_tgaconf->tgac_name);
333 1.1 drochner printf("%s: %d x %d, %dbpp, %s RAMDAC\n", sc->sc_dev.dv_xname,
334 1.1 drochner sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
335 1.1 drochner sc->sc_dc->dc_tgaconf->tgac_phys_depth,
336 1.1 drochner sc->sc_dc->dc_tgaconf->tgac_ramdac->tgar_name);
337 1.1 drochner
338 1.1 drochner if (intrstr != NULL)
339 1.1 drochner printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
340 1.1 drochner intrstr);
341 1.1 drochner
342 1.1 drochner aa.console = console;
343 1.1 drochner aa.scrdata = &tga_screenlist;
344 1.1 drochner aa.accessops = &tga_accessops;
345 1.1 drochner aa.accesscookie = sc;
346 1.1 drochner
347 1.1 drochner config_found(self, &aa, wsemuldisplaydevprint);
348 1.1 drochner }
349 1.1 drochner
350 1.1 drochner int
351 1.1 drochner tga_ioctl(v, cmd, data, flag, p)
352 1.1 drochner void *v;
353 1.1 drochner u_long cmd;
354 1.1 drochner caddr_t data;
355 1.1 drochner int flag;
356 1.1 drochner struct proc *p;
357 1.1 drochner {
358 1.1 drochner struct tga_softc *sc = v;
359 1.1 drochner struct tga_devconfig *dc = sc->sc_dc;
360 1.1 drochner const struct tga_ramdac_conf *tgar = dc->dc_tgaconf->tgac_ramdac;
361 1.1 drochner
362 1.1 drochner switch (cmd) {
363 1.1 drochner case WSDISPLAYIO_GTYPE:
364 1.1 drochner *(u_int *)data = WSDISPLAY_TYPE_TGA;
365 1.1 drochner return (0);
366 1.1 drochner
367 1.1 drochner case WSDISPLAYIO_GINFO:
368 1.1 drochner #define wsd_fbip ((struct wsdisplay_fbinfo *)data)
369 1.1 drochner wsd_fbip->height = sc->sc_dc->dc_ht;
370 1.1 drochner wsd_fbip->width = sc->sc_dc->dc_wid;
371 1.1 drochner wsd_fbip->depth = sc->sc_dc->dc_tgaconf->tgac_phys_depth;
372 1.1 drochner wsd_fbip->cmsize = 256; /* XXX ??? */
373 1.1 drochner #undef fbt
374 1.1 drochner return (0);
375 1.1 drochner
376 1.1 drochner case WSDISPLAYIO_GETCMAP:
377 1.1 drochner return (*tgar->tgar_get_cmap)(dc,
378 1.1 drochner (struct wsdisplay_cmap *)data);
379 1.1 drochner
380 1.1 drochner case WSDISPLAYIO_PUTCMAP:
381 1.1 drochner return (*tgar->tgar_set_cmap)(dc,
382 1.1 drochner (struct wsdisplay_cmap *)data);
383 1.1 drochner
384 1.1 drochner case WSDISPLAYIO_GVIDEO:
385 1.1 drochner if (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF)
386 1.1 drochner tga_blank(sc->sc_dc);
387 1.1 drochner else
388 1.1 drochner tga_unblank(sc->sc_dc);
389 1.1 drochner return (0);
390 1.1 drochner
391 1.1 drochner case WSDISPLAYIO_SVIDEO:
392 1.1 drochner *(u_int *)data = dc->dc_blanked ?
393 1.1 drochner WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
394 1.1 drochner return (0);
395 1.1 drochner
396 1.1 drochner case WSDISPLAYIO_GCURPOS:
397 1.1 drochner return (*tgar->tgar_get_curpos)(dc,
398 1.1 drochner (struct wsdisplay_curpos *)data);
399 1.1 drochner
400 1.1 drochner case WSDISPLAYIO_SCURPOS:
401 1.1 drochner return (*tgar->tgar_set_curpos)(dc,
402 1.1 drochner (struct wsdisplay_curpos *)data);
403 1.1 drochner
404 1.1 drochner case WSDISPLAYIO_GCURMAX:
405 1.1 drochner return (*tgar->tgar_get_curmax)(dc,
406 1.1 drochner (struct wsdisplay_curpos *)data);
407 1.1 drochner
408 1.1 drochner case WSDISPLAYIO_GCURSOR:
409 1.1 drochner return (*tgar->tgar_get_cursor)(dc,
410 1.1 drochner (struct wsdisplay_cursor *)data);
411 1.1 drochner
412 1.1 drochner case WSDISPLAYIO_SCURSOR:
413 1.1 drochner return (*tgar->tgar_set_cursor)(dc,
414 1.1 drochner (struct wsdisplay_cursor *)data);
415 1.1 drochner }
416 1.1 drochner return (-1);
417 1.1 drochner }
418 1.1 drochner
419 1.1 drochner int
420 1.1 drochner tga_mmap(v, offset, prot)
421 1.1 drochner void *v;
422 1.1 drochner off_t offset;
423 1.1 drochner int prot;
424 1.1 drochner {
425 1.1 drochner
426 1.1 drochner /* XXX NEW MAPPING CODE... */
427 1.1 drochner
428 1.1 drochner #ifdef __alpha__
429 1.1 drochner struct tga_softc *sc = v;
430 1.1 drochner
431 1.10 mrg if (offset >= sc->sc_dc->dc_tgaconf->tgac_cspace_size || offset < 0)
432 1.1 drochner return -1;
433 1.1 drochner return alpha_btop(sc->sc_dc->dc_paddr + offset);
434 1.1 drochner #else
435 1.1 drochner return (-1);
436 1.1 drochner #endif
437 1.1 drochner }
438 1.1 drochner
439 1.1 drochner int
440 1.4 drochner tga_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
441 1.1 drochner void *v;
442 1.1 drochner const struct wsscreen_descr *type;
443 1.1 drochner void **cookiep;
444 1.1 drochner int *curxp, *curyp;
445 1.4 drochner long *attrp;
446 1.1 drochner {
447 1.1 drochner struct tga_softc *sc = v;
448 1.4 drochner long defattr;
449 1.1 drochner
450 1.1 drochner if (sc->nscreens > 0)
451 1.1 drochner return (ENOMEM);
452 1.1 drochner
453 1.1 drochner *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
454 1.1 drochner *curxp = 0;
455 1.1 drochner *curyp = 0;
456 1.4 drochner rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr);
457 1.4 drochner *attrp = defattr;
458 1.2 drochner sc->nscreens++;
459 1.1 drochner return (0);
460 1.1 drochner }
461 1.1 drochner
462 1.1 drochner void
463 1.1 drochner tga_free_screen(v, cookie)
464 1.1 drochner void *v;
465 1.1 drochner void *cookie;
466 1.1 drochner {
467 1.1 drochner struct tga_softc *sc = v;
468 1.1 drochner
469 1.1 drochner if (sc->sc_dc == &tga_console_dc)
470 1.1 drochner panic("tga_free_screen: console");
471 1.1 drochner
472 1.1 drochner sc->nscreens--;
473 1.1 drochner }
474 1.1 drochner
475 1.1 drochner void
476 1.1 drochner tga_show_screen(v, cookie)
477 1.1 drochner void *v;
478 1.1 drochner void *cookie;
479 1.1 drochner {
480 1.1 drochner }
481 1.1 drochner
482 1.1 drochner int
483 1.1 drochner tga_cnattach(iot, memt, pc, bus, device, function)
484 1.1 drochner bus_space_tag_t iot, memt;
485 1.1 drochner pci_chipset_tag_t pc;
486 1.1 drochner int bus, device, function;
487 1.1 drochner {
488 1.1 drochner struct tga_devconfig *dcp = &tga_console_dc;
489 1.4 drochner long defattr;
490 1.1 drochner
491 1.1 drochner tga_getdevconfig(memt, pc,
492 1.1 drochner pci_make_tag(pc, bus, device, function), dcp);
493 1.1 drochner
494 1.1 drochner /* sanity checks */
495 1.1 drochner if (dcp->dc_vaddr == NULL)
496 1.1 drochner panic("tga_console(%d, %d): couldn't map memory space",
497 1.1 drochner device, function);
498 1.1 drochner if (dcp->dc_tgaconf == NULL)
499 1.1 drochner panic("tga_console(%d, %d): unknown board configuration",
500 1.1 drochner device, function);
501 1.1 drochner
502 1.1 drochner /*
503 1.1 drochner * Initialize the RAMDAC but DO NOT allocate any private storage.
504 1.1 drochner * Initialization includes disabling cursor, setting a sane
505 1.1 drochner * colormap, etc. It will be reinitialized in tgaattach().
506 1.1 drochner */
507 1.1 drochner (*dcp->dc_tgaconf->tgac_ramdac->tgar_init)(dcp, 0);
508 1.1 drochner
509 1.4 drochner rcons_alloc_attr(&dcp->dc_rcons, 0, 0, 0, &defattr);
510 1.4 drochner
511 1.1 drochner wsdisplay_cnattach(&tga_stdscreen, &dcp->dc_rcons,
512 1.4 drochner 0, 0, defattr);
513 1.1 drochner
514 1.1 drochner return(0);
515 1.1 drochner }
516 1.1 drochner
517 1.1 drochner /*
518 1.1 drochner * Functions to blank and unblank the display.
519 1.1 drochner */
520 1.1 drochner void
521 1.1 drochner tga_blank(dc)
522 1.1 drochner struct tga_devconfig *dc;
523 1.1 drochner {
524 1.1 drochner
525 1.1 drochner if (!dc->dc_blanked) {
526 1.1 drochner dc->dc_blanked = 1;
527 1.3 thorpej dc->dc_regs[TGA_REG_VVVR] |= VVR_BLANK; /* XXX */
528 1.1 drochner }
529 1.1 drochner }
530 1.1 drochner
531 1.1 drochner void
532 1.1 drochner tga_unblank(dc)
533 1.1 drochner struct tga_devconfig *dc;
534 1.1 drochner {
535 1.1 drochner
536 1.1 drochner if (dc->dc_blanked) {
537 1.1 drochner dc->dc_blanked = 0;
538 1.3 thorpej dc->dc_regs[TGA_REG_VVVR] &= ~VVR_BLANK; /* XXX */
539 1.1 drochner }
540 1.1 drochner }
541 1.1 drochner
542 1.1 drochner /*
543 1.1 drochner * Functions to manipulate the built-in cursor handing hardware.
544 1.1 drochner */
545 1.1 drochner int
546 1.1 drochner tga_builtin_set_cursor(dc, cursorp)
547 1.1 drochner struct tga_devconfig *dc;
548 1.1 drochner struct wsdisplay_cursor *cursorp;
549 1.1 drochner {
550 1.8 thorpej int count, error, v;
551 1.1 drochner
552 1.1 drochner v = cursorp->which;
553 1.8 thorpej if (v & WSDISPLAY_CURSOR_DOCMAP) {
554 1.8 thorpej error = (*dc->dc_tgaconf->tgac_ramdac->tgar_check_curcmap)(dc,
555 1.8 thorpej cursorp);
556 1.8 thorpej if (error)
557 1.8 thorpej return (error);
558 1.8 thorpej }
559 1.1 drochner if (v & WSDISPLAY_CURSOR_DOSHAPE) {
560 1.1 drochner if ((u_int)cursorp->size.x != 64 ||
561 1.1 drochner (u_int)cursorp->size.y > 64)
562 1.1 drochner return (EINVAL);
563 1.1 drochner /* The cursor is 2 bits deep, and there is no mask */
564 1.1 drochner count = (cursorp->size.y * 64 * 2) / NBBY;
565 1.8 thorpej #if defined(UVM)
566 1.8 thorpej if (!uvm_useracc(cursorp->image, count, B_READ))
567 1.8 thorpej return (EFAULT);
568 1.8 thorpej #else
569 1.1 drochner if (!useracc(cursorp->image, count, B_READ))
570 1.1 drochner return (EFAULT);
571 1.8 thorpej #endif
572 1.1 drochner }
573 1.1 drochner if (v & WSDISPLAY_CURSOR_DOHOT) /* not supported */
574 1.1 drochner return EINVAL;
575 1.1 drochner
576 1.1 drochner /* parameters are OK; do it */
577 1.1 drochner if (v & WSDISPLAY_CURSOR_DOCUR) {
578 1.1 drochner if (cursorp->enable)
579 1.1 drochner dc->dc_regs[TGA_REG_VVVR] |= 0x04; /* XXX */
580 1.1 drochner else
581 1.1 drochner dc->dc_regs[TGA_REG_VVVR] &= ~0x04; /* XXX */
582 1.1 drochner }
583 1.1 drochner if (v & WSDISPLAY_CURSOR_DOPOS) {
584 1.1 drochner dc->dc_regs[TGA_REG_CXYR] = ((cursorp->pos.y & 0xfff) << 12) |
585 1.1 drochner (cursorp->pos.x & 0xfff);
586 1.1 drochner }
587 1.1 drochner if (v & WSDISPLAY_CURSOR_DOCMAP) {
588 1.8 thorpej /* can't fail. */
589 1.8 thorpej (*dc->dc_tgaconf->tgac_ramdac->tgar_set_curcmap)(dc, cursorp);
590 1.1 drochner }
591 1.1 drochner if (v & WSDISPLAY_CURSOR_DOSHAPE) {
592 1.8 thorpej count = ((64 * 2) / NBBY) * cursorp->size.y;
593 1.1 drochner dc->dc_regs[TGA_REG_CCBR] =
594 1.1 drochner (dc->dc_regs[TGA_REG_CCBR] & ~0xfc00) |
595 1.1 drochner (cursorp->size.y << 10);
596 1.1 drochner copyin(cursorp->image, (char *)(dc->dc_vaddr +
597 1.1 drochner (dc->dc_regs[TGA_REG_CCBR] & 0x3ff)),
598 1.1 drochner count); /* can't fail. */
599 1.1 drochner }
600 1.1 drochner return (0);
601 1.1 drochner }
602 1.1 drochner
603 1.1 drochner int
604 1.1 drochner tga_builtin_get_cursor(dc, cursorp)
605 1.1 drochner struct tga_devconfig *dc;
606 1.1 drochner struct wsdisplay_cursor *cursorp;
607 1.1 drochner {
608 1.1 drochner int count, error;
609 1.1 drochner
610 1.1 drochner cursorp->which = WSDISPLAY_CURSOR_DOALL &
611 1.1 drochner ~(WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOCMAP);
612 1.1 drochner cursorp->enable = (dc->dc_regs[TGA_REG_VVVR] & 0x04) != 0;
613 1.1 drochner cursorp->pos.x = dc->dc_regs[TGA_REG_CXYR] & 0xfff;
614 1.1 drochner cursorp->pos.y = (dc->dc_regs[TGA_REG_CXYR] >> 12) & 0xfff;
615 1.1 drochner cursorp->size.x = 64;
616 1.1 drochner cursorp->size.y = (dc->dc_regs[TGA_REG_CCBR] >> 10) & 0x3f;
617 1.1 drochner
618 1.1 drochner if (cursorp->image != NULL) {
619 1.1 drochner count = (cursorp->size.y * 64 * 2) / NBBY;
620 1.1 drochner error = copyout((char *)(dc->dc_vaddr +
621 1.1 drochner (dc->dc_regs[TGA_REG_CCBR] & 0x3ff)),
622 1.1 drochner cursorp->image, count);
623 1.1 drochner if (error)
624 1.1 drochner return (error);
625 1.1 drochner /* No mask */
626 1.1 drochner }
627 1.8 thorpej error = (*dc->dc_tgaconf->tgac_ramdac->tgar_get_curcmap)(dc, cursorp);
628 1.8 thorpej return (error);
629 1.1 drochner }
630 1.1 drochner
631 1.1 drochner int
632 1.1 drochner tga_builtin_set_curpos(dc, curposp)
633 1.1 drochner struct tga_devconfig *dc;
634 1.1 drochner struct wsdisplay_curpos *curposp;
635 1.1 drochner {
636 1.1 drochner
637 1.1 drochner dc->dc_regs[TGA_REG_CXYR] =
638 1.1 drochner ((curposp->y & 0xfff) << 12) | (curposp->x & 0xfff);
639 1.1 drochner return (0);
640 1.1 drochner }
641 1.1 drochner
642 1.1 drochner int
643 1.1 drochner tga_builtin_get_curpos(dc, curposp)
644 1.1 drochner struct tga_devconfig *dc;
645 1.1 drochner struct wsdisplay_curpos *curposp;
646 1.1 drochner {
647 1.1 drochner
648 1.1 drochner curposp->x = dc->dc_regs[TGA_REG_CXYR] & 0xfff;
649 1.1 drochner curposp->y = (dc->dc_regs[TGA_REG_CXYR] >> 12) & 0xfff;
650 1.1 drochner return (0);
651 1.1 drochner }
652 1.1 drochner
653 1.1 drochner int
654 1.1 drochner tga_builtin_get_curmax(dc, curposp)
655 1.1 drochner struct tga_devconfig *dc;
656 1.1 drochner struct wsdisplay_curpos *curposp;
657 1.1 drochner {
658 1.1 drochner
659 1.1 drochner curposp->x = curposp->y = 64;
660 1.1 drochner return (0);
661 1.1 drochner }
662