btvmeii.c revision 1.7 1 1.7 thorpej /* $NetBSD: btvmeii.c,v 1.7 2002/09/30 20:37:11 thorpej Exp $ */
2 1.1 drochner
3 1.1 drochner /*
4 1.1 drochner * Copyright (c) 1999
5 1.1 drochner * Matthias Drochner. All rights reserved.
6 1.1 drochner *
7 1.1 drochner * Redistribution and use in source and binary forms, with or without
8 1.1 drochner * modification, are permitted provided that the following conditions
9 1.1 drochner * are met:
10 1.1 drochner * 1. Redistributions of source code must retain the above copyright
11 1.1 drochner * notice, this list of conditions, and the following disclaimer.
12 1.1 drochner * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 drochner * notice, this list of conditions and the following disclaimer in the
14 1.1 drochner * documentation and/or other materials provided with the distribution.
15 1.1 drochner *
16 1.1 drochner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 1.1 drochner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 1.1 drochner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 1.1 drochner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 1.1 drochner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 1.1 drochner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 1.1 drochner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.1 drochner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 1.1 drochner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.1 drochner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.1 drochner * SUCH DAMAGE.
27 1.1 drochner */
28 1.1 drochner
29 1.1 drochner /*
30 1.1 drochner * Driver for the Bit3/SBS PCI-VME adapter Model 2706.
31 1.1 drochner * Uses the common Tundra Universe code.
32 1.1 drochner */
33 1.4 lukem
34 1.4 lukem #include <sys/cdefs.h>
35 1.7 thorpej __KERNEL_RCSID(0, "$NetBSD: btvmeii.c,v 1.7 2002/09/30 20:37:11 thorpej Exp $");
36 1.1 drochner
37 1.1 drochner #include <sys/param.h>
38 1.1 drochner #include <sys/systm.h>
39 1.5 simonb #include <sys/kernel.h>
40 1.1 drochner #include <sys/device.h>
41 1.1 drochner
42 1.1 drochner #include <dev/pci/pcireg.h>
43 1.1 drochner #include <dev/pci/pcivar.h>
44 1.1 drochner #include <dev/pci/pcidevs.h>
45 1.1 drochner
46 1.1 drochner #include <machine/bus.h>
47 1.1 drochner #include <sys/malloc.h>
48 1.1 drochner #include <sys/extent.h>
49 1.1 drochner
50 1.1 drochner #include <dev/pci/ppbreg.h>
51 1.1 drochner
52 1.1 drochner #include <dev/vme/vmereg.h>
53 1.1 drochner #include <dev/vme/vmevar.h>
54 1.1 drochner
55 1.1 drochner #include <dev/pci/universe_pci_var.h>
56 1.1 drochner
57 1.1 drochner static int b3_2706_match __P((struct device *, struct cfdata *, void *));
58 1.1 drochner static void b3_2706_attach __P((struct device *, struct device *, void *));
59 1.1 drochner
60 1.1 drochner /* exported via tag structs */
61 1.1 drochner int b3_2706_map_vme __P((void *, vme_addr_t, vme_size_t,
62 1.1 drochner vme_am_t, vme_datasize_t, vme_swap_t,
63 1.1 drochner bus_space_tag_t *, bus_space_handle_t *, vme_mapresc_t*));
64 1.1 drochner void b3_2706_unmap_vme __P((void *, vme_mapresc_t));
65 1.1 drochner
66 1.1 drochner int b3_2706_vme_probe __P((void *, vme_addr_t, vme_size_t, vme_am_t,
67 1.1 drochner vme_datasize_t,
68 1.1 drochner int (*)(void *, bus_space_tag_t, bus_space_handle_t),
69 1.1 drochner void *));
70 1.1 drochner
71 1.1 drochner int b3_2706_map_vmeint __P((void *, int, int, vme_intr_handle_t *));
72 1.1 drochner void *b3_2706_establish_vmeint __P((void *, vme_intr_handle_t, int,
73 1.1 drochner int (*)(void *), void *));
74 1.1 drochner void b3_2706_disestablish_vmeint __P((void *, void *));
75 1.2 drochner void b3_2706_vmeint __P((void *, int, int));
76 1.1 drochner
77 1.1 drochner int b3_2706_dmamap_create __P((void *, vme_size_t,
78 1.1 drochner vme_am_t, vme_datasize_t, vme_swap_t,
79 1.1 drochner int, vme_size_t, vme_addr_t,
80 1.1 drochner int, bus_dmamap_t *));
81 1.1 drochner void b3_2706_dmamap_destroy __P((void *, bus_dmamap_t));
82 1.1 drochner
83 1.1 drochner int b3_2706_dmamem_alloc __P((void *, vme_size_t,
84 1.1 drochner vme_am_t, vme_datasize_t, vme_swap_t,
85 1.1 drochner bus_dma_segment_t *, int, int *, int));
86 1.1 drochner void b3_2706_dmamem_free __P((void *, bus_dma_segment_t *, int));
87 1.1 drochner
88 1.1 drochner struct b3_2706_vmemaprescs {
89 1.1 drochner int wnd;
90 1.1 drochner unsigned long pcibase, maplen;
91 1.1 drochner bus_space_handle_t handle;
92 1.1 drochner u_int32_t len;
93 1.1 drochner };
94 1.1 drochner
95 1.2 drochner struct b3_2706_vmeintrhand {
96 1.2 drochner TAILQ_ENTRY(b3_2706_vmeintrhand) ih_next;
97 1.2 drochner int (*ih_fun) __P((void*));
98 1.2 drochner void *ih_arg;
99 1.2 drochner int ih_level;
100 1.2 drochner int ih_vector;
101 1.2 drochner int ih_prior;
102 1.2 drochner u_long ih_count;
103 1.2 drochner };
104 1.2 drochner
105 1.1 drochner struct b3_2706_softc {
106 1.1 drochner struct device sc_dev;
107 1.1 drochner struct univ_pci_data univdata;
108 1.1 drochner bus_space_tag_t swapt, vmet;
109 1.1 drochner bus_space_handle_t swaph;
110 1.1 drochner bus_addr_t vmepbase;
111 1.1 drochner
112 1.1 drochner int windowused[8];
113 1.1 drochner struct b3_2706_vmemaprescs vmemaprescs[8];
114 1.1 drochner struct extent *vmeext;
115 1.1 drochner char vmemap[EXTENT_FIXED_STORAGE_SIZE(8)];
116 1.1 drochner
117 1.1 drochner struct vme_chipset_tag sc_vct;
118 1.2 drochner
119 1.2 drochner /* list of VME interrupt handlers */
120 1.2 drochner TAILQ_HEAD(, b3_2706_vmeintrhand) intrhdls;
121 1.2 drochner int strayintrs;
122 1.1 drochner };
123 1.1 drochner
124 1.7 thorpej CFATTACH_DECL(btvmeii, sizeof(struct b3_2706_softc),
125 1.7 thorpej b3_2706_match, b3_2706_attach, NULL, NULL)
126 1.1 drochner
127 1.1 drochner /*
128 1.1 drochner * The adapter consists of a DEC PCI-PCI-bridge with two
129 1.1 drochner * PCI devices behind it: A Tundra Universe as device 4 and
130 1.1 drochner * some FPGA with glue logics as device 8.
131 1.1 drochner * As long as the autoconf code doesn't provide more support
132 1.1 drochner * for dependant devices, we have to duplicate a part of the
133 1.1 drochner * "ppb" functions here.
134 1.1 drochner */
135 1.1 drochner
136 1.1 drochner static int
137 1.1 drochner b3_2706_match(parent, match, aux)
138 1.1 drochner struct device *parent;
139 1.1 drochner struct cfdata *match;
140 1.1 drochner void *aux;
141 1.1 drochner {
142 1.1 drochner struct pci_attach_args *pa = aux;
143 1.1 drochner pci_chipset_tag_t pc = pa->pa_pc;
144 1.1 drochner int secbus;
145 1.1 drochner pcitag_t tag;
146 1.1 drochner pcireg_t id;
147 1.1 drochner
148 1.1 drochner if ((PCI_VENDOR(pa->pa_id) != PCI_VENDOR_DEC)
149 1.1 drochner || (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_DEC_21152))
150 1.1 drochner return (0);
151 1.1 drochner
152 1.1 drochner secbus = PPB_BUSINFO_SECONDARY(pci_conf_read(pc, pa->pa_tag,
153 1.1 drochner PPB_REG_BUSINFO));
154 1.1 drochner if (secbus == 0) {
155 1.1 drochner printf("b3_2706_match: ppb not configured\n");
156 1.1 drochner return (0);
157 1.1 drochner }
158 1.1 drochner
159 1.1 drochner tag = pci_make_tag(pc, secbus, 4, 0);
160 1.1 drochner id = pci_conf_read(pc, tag, PCI_ID_REG);
161 1.1 drochner
162 1.1 drochner if ((PCI_VENDOR(id) != PCI_VENDOR_NEWBRIDGE)
163 1.1 drochner || (PCI_PRODUCT(id) != PCI_PRODUCT_NEWBRIDGE_CA91CX42)) {
164 1.1 drochner #ifdef DEBUG
165 1.1 drochner printf("b3_2706_match: no tundra\n");
166 1.1 drochner #endif
167 1.1 drochner return (0);
168 1.1 drochner }
169 1.1 drochner
170 1.1 drochner tag = pci_make_tag(pc, secbus, 8, 0);
171 1.1 drochner id = pci_conf_read(pc, tag, PCI_ID_REG);
172 1.1 drochner
173 1.1 drochner if ((PCI_VENDOR(id) != PCI_VENDOR_BIT3)
174 1.1 drochner || (PCI_PRODUCT(id) != PCI_PRODUCT_BIT3_PCIVME2706)) {
175 1.1 drochner #ifdef DEBUG
176 1.1 drochner printf("b3_2706_match: no bit3 chip\n");
177 1.1 drochner #endif
178 1.1 drochner return (0);
179 1.1 drochner }
180 1.1 drochner
181 1.1 drochner return (5); /* beat "ppb" */
182 1.1 drochner }
183 1.1 drochner
184 1.1 drochner static void
185 1.1 drochner b3_2706_attach(parent, self, aux)
186 1.1 drochner struct device *parent, *self;
187 1.1 drochner void *aux;
188 1.1 drochner {
189 1.1 drochner struct b3_2706_softc *sc = (struct b3_2706_softc *)self;
190 1.1 drochner struct pci_attach_args *pa = aux;
191 1.1 drochner pci_chipset_tag_t pc = pa->pa_pc;
192 1.1 drochner struct pci_attach_args aa;
193 1.1 drochner int secbus;
194 1.1 drochner pcireg_t intr;
195 1.1 drochner pcitag_t tag;
196 1.1 drochner bus_addr_t swappbase;
197 1.1 drochner int i;
198 1.1 drochner
199 1.1 drochner struct vmebus_attach_args vaa;
200 1.1 drochner
201 1.1 drochner printf("\n");
202 1.1 drochner
203 1.1 drochner secbus = PPB_BUSINFO_SECONDARY(pci_conf_read(pc, pa->pa_tag,
204 1.1 drochner PPB_REG_BUSINFO));
205 1.1 drochner
206 1.3 thorpej memcpy(&aa, pa, sizeof(struct pci_attach_args));
207 1.1 drochner aa.pa_device = 4;
208 1.1 drochner aa.pa_function = 0;
209 1.1 drochner aa.pa_tag = pci_make_tag(pc, secbus, 4, 0);
210 1.1 drochner aa.pa_intrswiz += 4;
211 1.1 drochner intr = pci_conf_read(pc, aa.pa_tag, PCI_INTERRUPT_REG);
212 1.1 drochner /*
213 1.1 drochner * swizzle it based on the number of
214 1.1 drochner * busses we're behind and our device
215 1.1 drochner * number.
216 1.1 drochner */
217 1.1 drochner aa.pa_intrpin = ((1 + aa.pa_intrswiz - 1) % 4) + 1;
218 1.1 drochner aa.pa_intrline = PCI_INTERRUPT_LINE(intr);
219 1.1 drochner
220 1.2 drochner if (univ_pci_attach(&sc->univdata, &aa, self->dv_xname,
221 1.2 drochner b3_2706_vmeint, sc)) {
222 1.1 drochner printf("%s: error initializing universe chip\n",
223 1.1 drochner self->dv_xname);
224 1.1 drochner return;
225 1.1 drochner }
226 1.1 drochner
227 1.2 drochner /*
228 1.2 drochner * don't waste KVM - the byteswap register is aliased in
229 1.2 drochner * a 512k window, we need it only once
230 1.2 drochner */
231 1.1 drochner tag = pci_make_tag(pc, secbus, 8, 0);
232 1.1 drochner sc->swapt = pa->pa_memt;
233 1.1 drochner if (pci_mapreg_info(pc, tag, 0x10,
234 1.1 drochner PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
235 1.1 drochner &swappbase, 0, 0) ||
236 1.1 drochner bus_space_map(sc->swapt, swappbase, 4, 0, &sc->swaph)) {
237 1.1 drochner printf("%s: can't map byteswap register\n", self->dv_xname);
238 1.1 drochner return;
239 1.1 drochner }
240 1.2 drochner /*
241 1.2 drochner * Set up cycle specific byteswap mode.
242 1.2 drochner * XXX Readback yields "all-ones" for me, and it doesn't seem
243 1.2 drochner * to matter what I write into the register - the data don't
244 1.2 drochner * get swapped. Adapter fault or documentation bug?
245 1.2 drochner */
246 1.2 drochner bus_space_write_4(sc->swapt, sc->swaph, 0, 0x00000490);
247 1.2 drochner
248 1.2 drochner /* VME space is mapped as needed */
249 1.1 drochner sc->vmet = pa->pa_memt;
250 1.1 drochner if (pci_mapreg_info(pc, tag, 0x14,
251 1.1 drochner PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
252 1.1 drochner &sc->vmepbase, 0, 0)) {
253 1.1 drochner printf("%s: VME range not assigned\n", self->dv_xname);
254 1.1 drochner return;
255 1.1 drochner }
256 1.2 drochner #ifdef BIT3DEBUG
257 1.1 drochner printf("%s: VME window @%lx\n", self->dv_xname, (long)sc->vmepbase);
258 1.2 drochner #endif
259 1.1 drochner
260 1.1 drochner for (i = 0; i < 8; i++) {
261 1.1 drochner sc->windowused[i] = 0;
262 1.1 drochner }
263 1.1 drochner sc->vmeext = extent_create("pcivme", sc->vmepbase,
264 1.1 drochner sc->vmepbase + 32*1024*1024 - 1, M_DEVBUF,
265 1.1 drochner sc->vmemap, sizeof(sc->vmemap),
266 1.1 drochner EX_NOCOALESCE);
267 1.1 drochner
268 1.1 drochner sc->sc_vct.cookie = self;
269 1.1 drochner sc->sc_vct.vct_probe = b3_2706_vme_probe;
270 1.1 drochner sc->sc_vct.vct_map = b3_2706_map_vme;
271 1.1 drochner sc->sc_vct.vct_unmap = b3_2706_unmap_vme;
272 1.1 drochner sc->sc_vct.vct_int_map = b3_2706_map_vmeint;
273 1.1 drochner sc->sc_vct.vct_int_establish = b3_2706_establish_vmeint;
274 1.1 drochner sc->sc_vct.vct_int_disestablish = b3_2706_disestablish_vmeint;
275 1.1 drochner sc->sc_vct.vct_dmamap_create = b3_2706_dmamap_create;
276 1.1 drochner sc->sc_vct.vct_dmamap_destroy = b3_2706_dmamap_destroy;
277 1.1 drochner sc->sc_vct.vct_dmamem_alloc = b3_2706_dmamem_alloc;
278 1.1 drochner sc->sc_vct.vct_dmamem_free = b3_2706_dmamem_free;
279 1.1 drochner
280 1.1 drochner vaa.va_vct = &(sc->sc_vct);
281 1.1 drochner vaa.va_bdt = pa->pa_dmat; /* XXX */
282 1.2 drochner vaa.va_slaveconfig = 0; /* XXX CSR window? */
283 1.1 drochner
284 1.1 drochner config_found(self, &vaa, 0);
285 1.1 drochner }
286 1.1 drochner
287 1.1 drochner #define sc ((struct b3_2706_softc*)vsc)
288 1.1 drochner
289 1.1 drochner int
290 1.1 drochner b3_2706_map_vme(vsc, vmeaddr, len, am, datasizes, swap, tag, handle, resc)
291 1.1 drochner void *vsc;
292 1.1 drochner vme_addr_t vmeaddr;
293 1.1 drochner vme_size_t len;
294 1.1 drochner vme_am_t am;
295 1.1 drochner vme_datasize_t datasizes;
296 1.1 drochner vme_swap_t swap;
297 1.1 drochner bus_space_tag_t *tag;
298 1.1 drochner bus_space_handle_t *handle;
299 1.1 drochner vme_mapresc_t *resc;
300 1.1 drochner {
301 1.1 drochner int idx, i, wnd, res;
302 1.1 drochner unsigned long boundary, maplen, pcibase;
303 1.1 drochner vme_addr_t vmebase, vmeend;
304 1.1 drochner static int windoworder[8] = {1, 2, 3, 5, 6, 7, 0, 4};
305 1.1 drochner
306 1.1 drochner /* prefer windows with fine granularity for small mappings */
307 1.1 drochner wnd = -1;
308 1.1 drochner if (len <= 32*1024)
309 1.1 drochner idx = 6;
310 1.1 drochner else
311 1.1 drochner idx = 0;
312 1.1 drochner for (i = 0; i < 8; i++) {
313 1.1 drochner if (!sc->windowused[windoworder[idx]]) {
314 1.1 drochner wnd = windoworder[idx];
315 1.1 drochner sc->windowused[wnd] = 1;
316 1.1 drochner break;
317 1.1 drochner }
318 1.1 drochner idx = (idx + 1) % 8;
319 1.1 drochner }
320 1.1 drochner if (wnd == -1)
321 1.1 drochner return (ENOSPC);
322 1.1 drochner
323 1.1 drochner boundary = (wnd & 3) ? 64*1024 : 4*1024;
324 1.1 drochner
325 1.1 drochner /* first mapped address */
326 1.1 drochner vmebase = vmeaddr & ~(boundary - 1);
327 1.1 drochner /* base of last mapped page */
328 1.1 drochner vmeend = (vmeaddr + len - 1) & ~(boundary - 1);
329 1.1 drochner /* bytes in outgoing window required */
330 1.1 drochner maplen = vmeend - vmebase + boundary;
331 1.1 drochner
332 1.2 drochner if (extent_alloc(sc->vmeext, maplen, boundary, 0, EX_FAST, &pcibase)) {
333 1.2 drochner sc->windowused[wnd] = 0;
334 1.1 drochner return (ENOMEM);
335 1.2 drochner }
336 1.1 drochner
337 1.1 drochner res = univ_pci_mapvme(&sc->univdata, wnd, vmebase, maplen,
338 1.1 drochner am, datasizes, pcibase);
339 1.1 drochner if (res) {
340 1.1 drochner extent_free(sc->vmeext, pcibase, maplen, 0);
341 1.2 drochner sc->windowused[wnd] = 0;
342 1.1 drochner return (res);
343 1.1 drochner }
344 1.1 drochner
345 1.1 drochner res = bus_space_map(sc->vmet, pcibase + (vmeaddr - vmebase), len,
346 1.1 drochner 0, handle);
347 1.1 drochner if (res) {
348 1.1 drochner univ_pci_unmapvme(&sc->univdata, wnd);
349 1.1 drochner extent_free(sc->vmeext, pcibase, maplen, 0);
350 1.2 drochner sc->windowused[wnd] = 0;
351 1.1 drochner return (res);
352 1.1 drochner }
353 1.1 drochner
354 1.1 drochner *tag = sc->vmet;
355 1.1 drochner
356 1.1 drochner /*
357 1.1 drochner * save all data needed for later unmapping
358 1.1 drochner */
359 1.1 drochner sc->vmemaprescs[wnd].wnd = wnd;
360 1.1 drochner sc->vmemaprescs[wnd].pcibase = pcibase;
361 1.1 drochner sc->vmemaprescs[wnd].maplen = maplen;
362 1.1 drochner sc->vmemaprescs[wnd].handle = *handle;
363 1.1 drochner sc->vmemaprescs[wnd].len = len;
364 1.1 drochner *resc = &sc->vmemaprescs[wnd];
365 1.1 drochner return (0);
366 1.1 drochner }
367 1.1 drochner
368 1.1 drochner void
369 1.1 drochner b3_2706_unmap_vme(vsc, resc)
370 1.1 drochner void *vsc;
371 1.1 drochner vme_mapresc_t resc;
372 1.1 drochner {
373 1.1 drochner struct b3_2706_vmemaprescs *r = resc;
374 1.1 drochner
375 1.1 drochner bus_space_unmap(sc->vmet, r->handle, r->len);
376 1.1 drochner extent_free(sc->vmeext, r->pcibase, r->maplen, 0);
377 1.1 drochner
378 1.1 drochner if (!sc->windowused[r->wnd])
379 1.1 drochner panic("b3_2706_unmap_vme: bad window");
380 1.1 drochner univ_pci_unmapvme(&sc->univdata, r->wnd);
381 1.1 drochner sc->windowused[r->wnd] = 0;
382 1.1 drochner }
383 1.1 drochner
384 1.1 drochner int
385 1.1 drochner b3_2706_vme_probe(vsc, addr, len, am, datasize, callback, cbarg)
386 1.1 drochner void *vsc;
387 1.1 drochner vme_addr_t addr;
388 1.1 drochner vme_size_t len;
389 1.1 drochner vme_am_t am;
390 1.1 drochner vme_datasize_t datasize;
391 1.1 drochner int (*callback) __P((void *, bus_space_tag_t, bus_space_handle_t));
392 1.1 drochner void *cbarg;
393 1.1 drochner {
394 1.2 drochner bus_space_tag_t tag;
395 1.2 drochner bus_space_handle_t handle;
396 1.2 drochner vme_mapresc_t resc;
397 1.2 drochner int res, i;
398 1.2 drochner volatile u_int32_t dummy;
399 1.2 drochner
400 1.2 drochner res = b3_2706_map_vme(vsc, addr, len, am, datasize, 0,
401 1.2 drochner &tag, &handle, &resc);
402 1.2 drochner if (res)
403 1.2 drochner return (res);
404 1.2 drochner
405 1.2 drochner if (univ_pci_vmebuserr(&sc->univdata, 1))
406 1.2 drochner printf("b3_2706_vme_badaddr: TA bit not clean - reset\n");
407 1.2 drochner
408 1.2 drochner if (callback)
409 1.2 drochner res = (*callback)(cbarg, tag, handle);
410 1.2 drochner else {
411 1.2 drochner for (i = 0; i < len;) {
412 1.2 drochner switch (datasize) {
413 1.2 drochner case VME_D8:
414 1.2 drochner dummy = bus_space_read_1(tag, handle, i);
415 1.2 drochner i++;
416 1.2 drochner break;
417 1.2 drochner case VME_D16:
418 1.2 drochner dummy = bus_space_read_2(tag, handle, i);
419 1.2 drochner i += 2;
420 1.2 drochner break;
421 1.2 drochner case VME_D32:
422 1.2 drochner dummy = bus_space_read_4(tag, handle, i);
423 1.2 drochner i += 4;
424 1.2 drochner break;
425 1.2 drochner default:
426 1.2 drochner panic("b3_2706_vme_probe: invalid datasize %x",
427 1.2 drochner datasize);
428 1.2 drochner }
429 1.2 drochner }
430 1.2 drochner }
431 1.2 drochner
432 1.2 drochner if (univ_pci_vmebuserr(&sc->univdata, 0)) {
433 1.2 drochner #ifdef BIT3DEBUG
434 1.2 drochner printf("b3_2706_vme_badaddr: caught TA\n");
435 1.2 drochner #endif
436 1.2 drochner univ_pci_vmebuserr(&sc->univdata, 1);
437 1.2 drochner res = EIO;
438 1.2 drochner }
439 1.2 drochner
440 1.2 drochner b3_2706_unmap_vme(vsc, resc);
441 1.2 drochner return (res);
442 1.1 drochner }
443 1.1 drochner
444 1.1 drochner int
445 1.1 drochner b3_2706_map_vmeint(vsc, level, vector, handlep)
446 1.1 drochner void *vsc;
447 1.1 drochner int level, vector;
448 1.1 drochner vme_intr_handle_t *handlep;
449 1.1 drochner {
450 1.2 drochner
451 1.2 drochner *handlep = (void *)(long)((level << 8) | vector); /* XXX */
452 1.2 drochner return (0);
453 1.1 drochner }
454 1.1 drochner
455 1.1 drochner void *
456 1.1 drochner b3_2706_establish_vmeint(vsc, handle, prior, func, arg)
457 1.1 drochner void *vsc;
458 1.1 drochner vme_intr_handle_t handle;
459 1.1 drochner int prior;
460 1.1 drochner int (*func) __P((void *));
461 1.1 drochner void *arg;
462 1.1 drochner {
463 1.2 drochner struct b3_2706_vmeintrhand *ih;
464 1.2 drochner long lv;
465 1.2 drochner int s;
466 1.2 drochner
467 1.2 drochner /* no point in sleeping unless someone can free memory. */
468 1.2 drochner ih = malloc(sizeof *ih, M_DEVBUF, cold ? M_NOWAIT : M_WAITOK);
469 1.2 drochner if (ih == NULL)
470 1.2 drochner panic("b3_2706_map_vmeint: can't malloc handler info");
471 1.2 drochner
472 1.2 drochner lv = (long)handle; /* XXX */
473 1.2 drochner
474 1.2 drochner ih->ih_fun = func;
475 1.2 drochner ih->ih_arg = arg;
476 1.2 drochner ih->ih_level = lv >> 8;
477 1.2 drochner ih->ih_vector = lv & 0xff;
478 1.2 drochner ih->ih_prior = prior;
479 1.2 drochner ih->ih_count = 0;
480 1.2 drochner
481 1.2 drochner s = splhigh();
482 1.2 drochner TAILQ_INSERT_TAIL(&(sc->intrhdls), ih, ih_next);
483 1.2 drochner splx(s);
484 1.2 drochner
485 1.2 drochner return (ih);
486 1.1 drochner }
487 1.1 drochner
488 1.1 drochner void
489 1.1 drochner b3_2706_disestablish_vmeint(vsc, cookie)
490 1.1 drochner void *vsc;
491 1.1 drochner void *cookie;
492 1.1 drochner {
493 1.2 drochner struct b3_2706_vmeintrhand *ih = cookie;
494 1.2 drochner int s;
495 1.2 drochner
496 1.2 drochner if (!ih) {
497 1.2 drochner printf("b3_2706_unmap_vmeint: NULL arg\n");
498 1.2 drochner return;
499 1.2 drochner }
500 1.2 drochner
501 1.2 drochner s = splhigh();
502 1.2 drochner TAILQ_REMOVE(&(sc->intrhdls), ih, ih_next);
503 1.2 drochner splx(s);
504 1.2 drochner
505 1.2 drochner free(ih, M_DEVBUF);
506 1.2 drochner }
507 1.2 drochner
508 1.2 drochner void
509 1.2 drochner b3_2706_vmeint(vsc, level, vector)
510 1.2 drochner void *vsc;
511 1.2 drochner int level, vector;
512 1.2 drochner {
513 1.2 drochner struct b3_2706_vmeintrhand *ih;
514 1.2 drochner int found;
515 1.2 drochner
516 1.2 drochner #ifdef BIT3DEBUG
517 1.2 drochner printf("b3_2706_vmeint: VME IRQ %d, vec %x\n", level, vector);
518 1.2 drochner #endif
519 1.2 drochner found = 0;
520 1.2 drochner
521 1.2 drochner for (ih = sc->intrhdls.tqh_first; ih;
522 1.2 drochner ih = ih->ih_next.tqe_next) {
523 1.2 drochner if ((ih->ih_level == level) &&
524 1.2 drochner ((ih->ih_vector == -1) ||
525 1.2 drochner (ih->ih_vector == vector))) {
526 1.2 drochner int s, res;
527 1.2 drochner /*
528 1.2 drochner * We should raise the interrupt level
529 1.2 drochner * to ih->ih_prior here. How to do this
530 1.2 drochner * machine-independantly?
531 1.2 drochner * To be safe, raise to the maximum.
532 1.2 drochner */
533 1.2 drochner s = splhigh();
534 1.2 drochner found |= (res = (*(ih->ih_fun))(ih->ih_arg));
535 1.2 drochner splx(s);
536 1.2 drochner if (res)
537 1.2 drochner ih->ih_count++;
538 1.2 drochner if (res == 1)
539 1.2 drochner break;
540 1.2 drochner }
541 1.2 drochner }
542 1.2 drochner if (!found)
543 1.2 drochner sc->strayintrs++;
544 1.1 drochner }
545 1.1 drochner
546 1.1 drochner int
547 1.1 drochner b3_2706_dmamap_create(vsc, len, am, datasize, swap,
548 1.1 drochner nsegs, segsz, bound,
549 1.1 drochner flags, mapp)
550 1.1 drochner void *vsc;
551 1.1 drochner vme_size_t len;
552 1.1 drochner vme_am_t am;
553 1.1 drochner vme_datasize_t datasize;
554 1.1 drochner vme_swap_t swap;
555 1.1 drochner int nsegs;
556 1.1 drochner vme_size_t segsz;
557 1.1 drochner vme_addr_t bound;
558 1.1 drochner int flags;
559 1.1 drochner bus_dmamap_t *mapp;
560 1.1 drochner {
561 1.1 drochner return (EINVAL);
562 1.1 drochner }
563 1.1 drochner
564 1.1 drochner void
565 1.1 drochner b3_2706_dmamap_destroy(vsc, map)
566 1.1 drochner void *vsc;
567 1.1 drochner bus_dmamap_t map;
568 1.1 drochner {
569 1.1 drochner }
570 1.1 drochner
571 1.1 drochner int
572 1.1 drochner b3_2706_dmamem_alloc(vsc, len, am, datasizes, swap, segs, nsegs, rsegs, flags)
573 1.1 drochner void *vsc;
574 1.1 drochner vme_size_t len;
575 1.1 drochner vme_am_t am;
576 1.1 drochner vme_datasize_t datasizes;
577 1.1 drochner vme_swap_t swap;
578 1.1 drochner bus_dma_segment_t *segs;
579 1.1 drochner int nsegs;
580 1.1 drochner int *rsegs;
581 1.1 drochner int flags;
582 1.1 drochner {
583 1.1 drochner return (EINVAL);
584 1.1 drochner }
585 1.1 drochner
586 1.1 drochner void
587 1.1 drochner b3_2706_dmamem_free(vsc, segs, nsegs)
588 1.1 drochner void *vsc;
589 1.1 drochner bus_dma_segment_t *segs;
590 1.1 drochner int nsegs;
591 1.1 drochner {
592 1.1 drochner }
593 1.1 drochner
594 1.1 drochner #undef sc
595