2 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. The name of the author may not be used to endorse or promote products
11 * derived from this software withough specific prior written permission
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 * $FreeBSD: src/sys/dev/pdq/if_fpa.c,v 1.13 1999/08/28 00:50:50 peter Exp $
25 * $DragonFly: src/sys/dev/netif/fpa/Attic/if_fpa.c,v 1.8 2004/04/07 05:45:28 dillon Exp $
30 * DEC PDQ FDDI Controller; code for BSD derived operating systems
32 * This module supports the DEC DEFPA PCI FDDI Controller
35 #include <sys/param.h>
36 #include <sys/kernel.h>
37 #include <sys/socket.h>
38 #if defined(__bsdi__) || defined(__NetBSD__)
39 #include <sys/device.h>
44 #if defined(__DragonFly__) || defined(__FreeBSD__)
46 #include <sys/eventhandler.h>
47 #include <net/ethernet.h>
48 #include <net/if_arp.h>
49 #include <bus/pci/pcivar.h>
50 #include <dev/netif/pdq_layer/pdqvar.h>
51 #include <dev/netif/pdq_layer/pdqreg.h>
52 #elif defined(__bsdi__)
53 #include <i386/isa/isavar.h>
54 #include <i386/isa/icu.h>
58 #if _BSDI_VERSION < 199401
61 #elif defined(__NetBSD__)
62 #include <dev/pci/pcivar.h>
63 #include <dev/ic/pdqvar.h>
64 #include <dev/ic/pdqreg.h>
65 #endif /* __NetBSD__ */
68 #define DEC_VENDORID 0x1011
69 #define DEFPA_CHIPID 0x000F
70 #define PCI_VENDORID(x) ((x) & 0xFFFF)
71 #define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF)
73 #define DEFPA_LATENCY 0x88
75 #define PCI_CFLT 0x0C /* Configuration Latency */
76 #define PCI_CBMA 0x10 /* Configuration Base Memory Address */
77 #define PCI_CBIO 0x14 /* Configuration Base I/O Address */
79 #if defined(__DragonFly__) || defined(__FreeBSD__)
84 static pdq_softc_t *pdqs_pci[NFPA];
85 #define PDQ_PCI_UNIT_TO_SOFTC(unit) (pdqs_pci[unit])
87 #define pdq_pci_ifwatchdog NULL
90 #elif defined(__bsdi__)
91 extern struct cfdriver fpacd;
92 #define PDQ_PCI_UNIT_TO_SOFTC(unit) ((pdq_softc_t *)fpacd.cd_devs[unit])
94 #elif defined(__NetBSD__)
95 extern struct cfattach fpa_ca;
96 extern struct cfdriver fpa_cd;
97 #define PDQ_PCI_UNIT_TO_SOFTC(unit) ((pdq_softc_t *)fpa_cd.cd_devs[unit])
98 #define pdq_pci_ifwatchdog NULL
101 #ifndef pdq_pci_ifwatchdog
106 pdq_ifwatchdog(&PDQ_PCI_UNIT_TO_SOFTC(unit)->sc_if);
110 #if defined(__DragonFly__) || (defined(__FreeBSD__) && BSD >= 199506)
115 (void) pdq_interrupt(((pdq_softc_t *) arg)->sc_pdq);
122 pdq_softc_t * const sc = (pdq_softc_t *) arg;
123 #if defined(__DragonFly__) || defined(__FreeBSD__)
124 return pdq_interrupt(sc->sc_pdq);
125 #elif defined(__bsdi__) || defined(__NetBSD__)
126 (void) pdq_interrupt(sc->sc_pdq);
130 #endif /* __FreeBSD && BSD */
132 #if defined(__DragonFly__) || defined(__FreeBSD__)
133 static void pdq_pci_shutdown(void *, int);
136 * This is the PCI configuration support. Since the PDQ is available
137 * on both EISA and PCI boards, one must be careful in how defines the
138 * PDQ in the config file.
145 if (PCI_VENDORID(device_id) == DEC_VENDORID &&
146 PCI_CHIPID(device_id) == DEFPA_CHIPID)
147 return "Digital DEFPA PCI FDDI Controller";
157 vm_offset_t va_csrs, pa_csrs;
161 printf("fpa%d: not configured; kernel is built for only %d device%s.\n",
162 unit, NFPA, NFPA == 1 ? "" : "s");
166 data = pci_conf_read(config_id, PCI_CFLT);
167 if ((data & 0xFF00) < (DEFPA_LATENCY << 8)) {
169 data |= DEFPA_LATENCY << 8;
170 pci_conf_write(config_id, PCI_CFLT, data);
173 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
174 if (!pci_map_mem(config_id, PCI_CBMA, &va_csrs, &pa_csrs)) {
175 free((void *) sc, M_DEVBUF);
179 if_initname(&(sc->sc_if), "fpa", unit);
180 sc->sc_membase = (pdq_bus_memaddr_t) va_csrs;
181 sc->sc_pdq = pdq_initialize(PDQ_BUS_PCI, sc->sc_membase,
182 sc->sc_if.if_dname, sc->sc_if.if_dunit,
183 (void *) sc, PDQ_DEFPA);
184 if (sc->sc_pdq == NULL) {
185 free((void *) sc, M_DEVBUF);
188 bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, sc->sc_ac.ac_enaddr, 6);
190 pdq_ifattach(sc, pdq_pci_ifwatchdog);
191 pci_map_int(config_id, pdq_pci_ifintr, (void*) sc, &net_imask);
192 EVENTHANDLER_REGISTER(shutdown_post_sync, pdq_pci_shutdown, sc,
193 SHUTDOWN_PRI_DEFAULT);
202 pdq_hwreset(((pdq_softc_t *)sc)->sc_pdq);
205 static u_long pdq_pci_count;
207 static struct pci_device fpadevice = {
215 COMPAT_PCI_DRIVER (if_fpa, fpadevice);
217 #elif defined(__bsdi__)
226 id = pci_inl(pa, PCI_VENDOR_ID);
227 if (PCI_VENDORID(id) != DEC_VENDORID || PCI_CHIPID(id) != DEFPA_CHIPID)
230 irq = pci_inl(pa, PCI_I_LINE) & 0xFF;
231 if (irq == 0 || irq >= 16)
239 struct device *parent,
243 struct isa_attach_args *ia = (struct isa_attach_args *) aux;
244 pdq_uint32_t irq, data;
247 pa = pci_scan(pdq_pci_match);
251 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF));
253 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) {
254 printf("fpa%d: error: desired IRQ of %d does not match device's actual IRQ of %d\n",
256 ffs(ia->ia_irq) - 1, ffs(irq) - 1);
259 if (ia->ia_irq == IRQUNK) {
260 (void) isa_irqalloc(irq);
264 /* PCI bus masters don't use host DMA channels */
265 ia->ia_drq = DRQNONE;
267 /* Get the memory base address; assume the BIOS set it up correctly */
268 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7);
269 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF);
270 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1;
271 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr);
273 /* Disable I/O space access */
274 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1);
278 /* Make sure the latency timer is what the DEFPA likes */
279 data = pci_inl(pa, PCI_CFLT);
280 if ((data & 0xFF00) < (DEFPA_LATENCY << 8)) {
282 data |= DEFPA_LATENCY << 8;
283 pci_outl(pa, PCI_CFLT, data);
285 ia->ia_irq |= IRQSHARE;
292 struct device *parent,
296 pdq_softc_t *sc = (pdq_softc_t *) self;
297 struct isa_attach_args *ia = (struct isa_attach_args *) aux;
298 struct ifnet *ifp = &sc->sc_if;
301 if_initname(&(sc->sc_if), "fpa", sc->sc_dev.dv_unit);
302 sc->sc_if.if_flags = 0;
303 sc->sc_membase = (pdq_bus_memaddr_t) mapphys((vm_offset_t)ia->ia_maddr, ia->ia_msize);
305 sc->sc_pdq = pdq_initialize(PDQ_BUS_PCI, sc->sc_membase,
306 sc->sc_if.if_dname, sc->sc_if.if_dunit,
307 (void *) sc, PDQ_DEFPA);
308 if (sc->sc_pdq == NULL) {
309 printf("%s: initialization failed\n", sc->sc_if.if_xname);
313 bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, sc->sc_ac.ac_enaddr, 6);
315 pdq_ifattach(sc, pdq_pci_ifwatchdog);
317 isa_establish(&sc->sc_id, &sc->sc_dev);
319 sc->sc_ih.ih_fun = pdq_pci_ifintr;
320 sc->sc_ih.ih_arg = (void *)sc;
321 intr_establish(ia->ia_irq, &sc->sc_ih, DV_NET);
323 sc->sc_ats.func = (void (*)(void *)) pdq_hwreset;
324 sc->sc_ats.arg = (void *) sc->sc_pdq;
325 atshutdown(&sc->sc_ats, ATSH_ADD);
328 struct cfdriver fpacd = {
329 0, "fpa", pdq_pci_probe, pdq_pci_attach,
330 #if _BSDI_VERSION >= 199401
336 #elif defined(__NetBSD__)
340 struct device *parent,
344 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
346 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID)
348 if (PCI_CHIPID(pa->pa_id) == DEFPA_CHIPID)
356 struct device * const parent,
357 struct device * const self,
360 pdq_softc_t * const sc = (pdq_softc_t *) self;
361 struct pci_attach_args * const pa = (struct pci_attach_args *) aux;
363 pci_intr_handle_t intrhandle;
366 bus_io_addr_t iobase;
367 bus_io_size_t iosize;
369 bus_mem_addr_t membase;
370 bus_mem_size_t memsize;
373 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CFLT);
374 if ((data & 0xFF00) < (DEFPA_LATENCY << 8)) {
376 data |= DEFPA_LATENCY << 8;
377 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_CFLT, data);
380 sc->sc_bc = pa->pa_bc;
381 bcopy(sc->sc_dev.dv_xname, sc->sc_if.if_xname, IFNAMSIZ);
382 sc->sc_if.if_flags = 0;
383 sc->sc_if.if_softc = sc;
386 if (pci_io_find(pa->pa_pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)
387 || bus_io_map(pa->pa_bc, iobase, iosize, &sc->sc_iobase))
390 if (pci_mem_find(pa->pa_pc, pa->pa_tag, PCI_CBMA, &membase, &memsize, NULL)
391 || bus_mem_map(pa->pa_bc, membase, memsize, 0, &sc->sc_membase))
395 sc->sc_pdq = pdq_initialize(sc->sc_bc, sc->sc_membase,
396 sc->sc_if.if_xname, 0,
397 (void *) sc, PDQ_DEFPA);
398 if (sc->sc_pdq == NULL) {
399 printf("%s: initialization failed\n", sc->sc_dev.dv_xname);
403 bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, sc->sc_ac.ac_enaddr, 6);
404 pdq_ifattach(sc, pdq_pci_ifwatchdog);
406 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
407 pa->pa_intrline, &intrhandle)) {
408 printf("%s: couldn't map interrupt\n", self->dv_xname);
411 intrstr = pci_intr_string(pa->pa_pc, intrhandle);
412 sc->sc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, pdq_pci_ifintr, sc);
413 if (sc->sc_ih == NULL) {
414 printf("%s: couldn't establish interrupt", self->dv_xname);
416 printf(" at %s", intrstr);
421 sc->sc_ats = shutdownhook_establish((void (*)(void *)) pdq_hwreset, sc->sc_pdq);
422 if (sc->sc_ats == NULL)
423 printf("%s: warning: couldn't establish shutdown hook\n", self->dv_xname);
425 printf("%s: interrupting at %s\n", self->dv_xname, intrstr);
428 struct cfattach fpa_ca = {
429 sizeof(pdq_softc_t), pdq_pci_match, pdq_pci_attach
432 struct cfdriver fpa_cd = {
436 #endif /* __NetBSD__ */