dev/digi/digi_isa.c

74 digi_isa_setwin(struct digi_softc *sc, unsigned int addr)
76 	outb(sc->wport, sc->window = FEPWIN | (addr >> sc->win_bits));
77 	return (sc->vmem + (addr % sc->win_size));
81 digi_xi_setwin(struct digi_softc *sc, unsigned int addr)
83 	outb(sc->wport, sc->window = FEPMEM);
84 	return (sc->vmem + addr);
88 digi_isa_hidewin(struct digi_softc *sc)
90 	outb(sc->wport, sc->window = 0);
91 	/* outb(sc->port, 0); */
95 digi_isa_towin(struct digi_softc *sc, int win)
97 	outb(sc->wport, sc->window = win);
101 digi_xi_towin(struct digi_softc *sc, int win)
103 	outb(sc->wport, sc->window = FEPMEM);
107  * sc->port should be set and its resource allocated.
110 digi_isa_check(struct digi_softc *sc)
114 	sc->name = NULL;
117 	outb(sc->port, FEPRST);
118 	for (i = 0; (inb(sc->port) & FEPMASK) != FEPRST; i++) {
121 		digi_delay(sc, "digirst", 1);
123 	DLOG(DIGIDB_INIT, (sc->dev, "got reset after %d iterations\n", i));
125 	ident = inb(sc->port);
131 	DLOG(DIGIDB_INIT, (sc->dev, "board type is 0x%x\n", ident));
138 			sc->model = PCXI;
139 			sc->csigs = &digi_xixe_signals;
142 				sc->name = "Digiboard PC/Xi 64K";
143 				sc->mem_seg = 0xf000;
144 				sc->win_size = 0x10000;
145 				sc->win_bits = 16;
148 				sc->name = "Digiboard PC/Xi 128K";
149 				sc->mem_seg = 0xE000;
150 				sc->win_size = 0x20000;
151 				sc->win_bits = 17;
154 				sc->name = "Digiboard PC/Xi 256K";
155 				sc->mem_seg = 0xC000;
156 				sc->win_size = 0x40000;
157 				sc->win_bits = 18;
160 				sc->name = "Digiboard PC/Xi 512K";
161 				sc->mem_seg = 0x8000;
162 				sc->win_size = 0x80000;
163 				sc->win_bits = 19;
166 			sc->wport = sc->port;
167 			sc->module = "Xe";
169 			sc->setwin = digi_xi_setwin;
170 			sc->hidewin = digi_isa_hidewin;
171 			sc->towin = digi_xi_towin;
175 			sc->name = "Digiboard PC/Xem";
176 			sc->model = PCXEM;
177 			sc->csigs = &digi_normal_signals;
178 			sc->win_size = 0x8000;
179 			sc->win_bits = 15;
180 			sc->wport = sc->port + 1;
181 			sc->module = "Xem";
183 			sc->setwin = digi_isa_setwin;
184 			sc->hidewin = digi_isa_hidewin;
185 			sc->towin = digi_isa_towin;
189 		outb(sc->port, 1);
190 		ident = inb(sc->port);
193 			device_printf(sc->dev, "PC/Xm is unsupported\n");
197 		sc->mem_seg = 0xf000;
200 			sc->name = "Digiboard PC/Xe 64K";
201 			sc->model = PCXE;
202 			sc->csigs = &digi_xixe_signals;
203 			sc->win_size = 0x10000;
204 			sc->win_bits = 16;
205 			sc->wport = sc->port;
207 			sc->name = "Digiboard PC/Xe 64/8K (windowed)";
208 			sc->model = PCXEVE;
209 			sc->csigs = &digi_normal_signals;
210 			sc->win_size = 0x2000;
211 			sc->win_bits = 13;
212 			sc->wport = sc->port + 1;
214 		sc->module = "Xe";
216 		sc->setwin = digi_isa_setwin;
217 		sc->hidewin = digi_isa_hidewin;
218 		sc->towin = digi_isa_towin;
221 	return (sc->name != NULL);
227 	struct digi_softc *sc = device_get_softc(dev);
230 	KASSERT(sc, ("digi%d: softc not allocated in digi_isa_probe\n",
233 	bzero(sc, sizeof(*sc));
234 	sc->status = DIGI_STATUS_NOTINIT;
235 	sc->dev = dev;
236 	sc->res.unit = device_get_unit(dev);
237 	if (sc->res.unit >= 16) {
242 	DLOG(DIGIDB_INIT, (sc->dev, "probing on isa bus\n"));
245 	if ((sc->port = bus_get_resource_start(dev, SYS_RES_IOPORT, 0)) == 0) {
246 		DLOG(DIGIDB_INIT, (sc->dev, "io address not given\n"));
250 		if (sc->port == digi_validio[i] ||
251 		    sc->port == digi_validio[i] + 4)
254 		device_printf(dev, "0x%03x: Invalid i/o address\n", sc->port);
259 	if ((sc->pmem = bus_get_resource_start(dev, SYS_RES_MEMORY, 0)) == 0)
262 		if (sc->pmem == digi_validmem[i])
265 		device_printf(dev, "0x%lx: Invalid memory address\n", sc->pmem);
268 	if ((sc->pmem & 0xfffffful) != sc->pmem) {
270 		    sc->pmem);
273 	sc->vmem = (u_char *)sc->pmem;
275 	DLOG(DIGIDB_INIT, (sc->dev, "isa? port 0x%03x mem 0x%lx\n",
276 	    sc->port, sc->pmem));
279 	sc->res.iorid = 0;
280 	sc->res.io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
281 	    &sc->res.iorid, IO_SIZE, RF_ACTIVE);
282 	if (sc->res.io == NULL)
286 	if (!digi_isa_check(sc)) {
287 		bus_release_resource(dev, SYS_RES_IOPORT, sc->res.iorid,
288 		    sc->res.io);
293 	sc->res.mrid = 0;
294 	sc->res.mem = bus_alloc_resource_anywhere(dev, SYS_RES_MEMORY,
295 	    &sc->res.mrid, sc->win_size, 0);
296 	if (sc->res.mem == NULL) {
297 		device_printf(dev, "0x%lx: Memory range is in use\n", sc->pmem);
298 		bus_release_resource(dev, SYS_RES_IOPORT, sc->res.iorid,
299 		    sc->res.io);
303 	outb(sc->port, FEPCLR);		/* drop RESET */
304 	sc->hidewin(sc);	/* set initial sc->window */
306 	bus_release_resource(dev, SYS_RES_MEMORY, sc->res.mrid, sc->res.mem);
307 	bus_release_resource(dev, SYS_RES_IOPORT, sc->res.iorid, sc->res.io);
310 	bus_set_resource(dev, SYS_RES_IOPORT, 0, sc->port, IO_SIZE);
311 	bus_set_resource(dev, SYS_RES_MEMORY, 0, sc->pmem, sc->win_size);
313 	DLOG(DIGIDB_INIT, (sc->dev, "Probe returns -10\n"));
321 	struct digi_softc *sc = device_get_softc(dev);
328 	KASSERT(sc, ("digi%d: softc not allocated in digi_isa_attach\n",
332 	bzero(sc, sizeof(*sc));
333 	sc->status = DIGI_STATUS_NOTINIT;
334 	sc->dev = dev;
335 	sc->res.unit = device_get_unit(dev);
336 	DLOG(DIGIDB_INIT, (sc->dev, "attaching\n"));
339 	bus_get_resource(dev, SYS_RES_MEMORY, 0, &sc->pmem, &msize);
340 	sc->port = scport;
341 	/* sc->altpin = !!(device_get_flags(dev) & DGBFLAG_ALTPIN); */
344 	sc->res.iorid = 0;
345 	sc->res.io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
346 	    &sc->res.iorid, iosize, RF_ACTIVE);
347 	if (sc->res.io == NULL)
351 	DLOG(DIGIDB_INIT, (sc->dev, "Checking card type\n"));
352 	if (!digi_isa_check(sc))
355 	callout_handle_init(&sc->callout);
356 	callout_handle_init(&sc->inttest);
358 	sc->res.mrid = 0;
359 	sc->res.mem = bus_alloc_resource_anywhere(dev, SYS_RES_MEMORY,
360 	    &sc->res.mrid, msize, RF_ACTIVE);
361 	if (sc->res.mem == NULL) {
362 		device_printf(dev, "0x%lx: Memory range is in use\n", sc->pmem);
363 		sc->hidewin(sc);
368 	sc->vmem = pmap_mapdev(sc->pmem, msize);
370 	DLOG(DIGIDB_INIT, (sc->dev, "internal memory segment 0x%x\n",
371 	    sc->mem_seg));
375 	if (sc->model == PCXI)
378 	outb(sc->port, reset);
379 	for (i = 0; (inb(sc->port) & FEPMASK) != reset; i++) {
382 			sc->hidewin(sc);
385 		digi_delay(sc, "digirst1", 1);
387 	DLOG(DIGIDB_INIT, (sc->dev, "got reset after %d iterations\n", i));
389 	if (sc->model != PCXI) {
390 		t = (sc->pmem >> 8) & 0xffe0;
391 		if (sc->model == PCXEVE)
393 		outb(sc->port + 2, t & 0xff);
394 		outb(sc->port + 3, t >> 8);
397 	if (sc->model == PCXI || sc->model == PCXE) {
398 		outb(sc->port, FEPRST | FEPMEM);
399 		for (i = 0; (inb(sc->port) & FEPMASK) != FEPRST; i++) {
403 				    inb(sc->port));
404 				sc->hidewin(sc);
407 			digi_delay(sc, "digirst2", 1);
409 		DLOG(DIGIDB_INIT, (sc->dev, "got memory after %d iterations\n",
413 	DLOG(DIGIDB_INIT, (sc->dev, "short memory test\n"));
414 	ptr = sc->setwin(sc, BOTWIN);
418 		sc->hidewin(sc);
421 	DLOG(DIGIDB_INIT, (sc->dev, "1st memory test ok\n"));
423 	ptr = sc->setwin(sc, TOPWIN);
427 		sc->hidewin(sc);
430 	DLOG(DIGIDB_INIT, (sc->dev, "2nd memory test ok\n"));
432 	ptr = sc->setwin(sc, BIOSCODE + ((0xf000 - sc->mem_seg) << 4));
436 		sc->hidewin(sc);
439 	DLOG(DIGIDB_INIT, (sc->dev, "3rd memory test ok\n"));
441 	if ((res = digi_attach(sc)) == 0)
445 	if (sc->res.mem != NULL) {
446 		bus_release_resource(dev, SYS_RES_MEMORY, sc->res.mrid,
447 		    sc->res.mem);
448 		sc->res.mem = NULL;
450 	if (sc->res.io != NULL) {
451 		bus_release_resource(dev, SYS_RES_IOPORT, sc->res.iorid,
452 		    sc->res.io);
453 		sc->res.io = NULL;