FreeBSD/Linux Kernel Cross Reference
sys/dev/pdq/if_fea.c
1 /*-
2 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 without specific prior written permission
12 *
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.
23 *
24 * $FreeBSD$
25 */
26
27 /*
28 * DEC PDQ FDDI Controller
29 *
30 * This module support the DEFEA EISA FDDI Controller.
31 */
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/socket.h>
37
38 #include <sys/module.h>
39 #include <sys/bus.h>
40
41 #include <machine/bus.h>
42 #include <machine/resource.h>
43 #include <sys/rman.h>
44
45 #include <net/if.h>
46 #include <net/if_arp.h>
47 #include <net/if_media.h>
48 #include <net/fddi.h>
49
50 #include <dev/eisa/eisaconf.h>
51
52 #include <dev/pdq/pdq_freebsd.h>
53 #include <dev/pdq/pdqreg.h>
54
55 static void pdq_eisa_subprobe (pdq_bus_t, u_int32_t, u_int32_t *, u_int32_t *, u_int32_t *);
56 static void pdq_eisa_devinit (pdq_softc_t *);
57 static const char * pdq_eisa_match (eisa_id_t);
58
59 static int pdq_eisa_probe (device_t);
60 static int pdq_eisa_attach (device_t);
61 static int pdq_eisa_detach (device_t);
62 static int pdq_eisa_shutdown (device_t);
63 static void pdq_eisa_ifintr (void *);
64
65 #define DEFEA_IRQS 0x0000FBA9U
66
67 #define DEFEA_INTRENABLE 0x8 /* level interrupt */
68 #define DEFEA_DECODE_IRQ(n) ((DEFEA_IRQS >> ((n) << 2)) & 0x0f)
69
70 #define EISA_DEVICE_ID_DEC_DEC3001 0x10a33001
71 #define EISA_DEVICE_ID_DEC_DEC3002 0x10a33002
72 #define EISA_DEVICE_ID_DEC_DEC3003 0x10a33003
73 #define EISA_DEVICE_ID_DEC_DEC3004 0x10a33004
74
75 static void
76 pdq_eisa_subprobe(bc, iobase, maddr, msize, irq)
77 pdq_bus_t bc;
78 u_int32_t iobase;
79 u_int32_t *maddr;
80 u_int32_t *msize;
81 u_int32_t *irq;
82 {
83 if (irq != NULL)
84 *irq = DEFEA_DECODE_IRQ(PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_IO_CONFIG_STAT_0) & 3);
85 *maddr = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_0) << 8)
86 | (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_1) << 16);
87 *msize = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_MASK_0) + 4) << 8;
88
89 return;
90 }
91
92 static void
93 pdq_eisa_devinit (sc)
94 pdq_softc_t *sc;
95 {
96 pdq_uint8_t data;
97
98 /*
99 * Do the standard initialization for the DEFEA registers.
100 */
101 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_FUNCTION_CTRL, 0x23);
102 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CMP_1_1, (sc->io_bsh >> 8) & 0xF0);
103 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CMP_0_1, (sc->io_bsh >> 8) & 0xF0);
104 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_SLOT_CTRL, 0x01);
105 data = PDQ_OS_IORD_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF);
106 #if defined(PDQ_IOMAPPED)
107 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF, data & ~1);
108 #else
109 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF, data | 1);
110 #endif
111 data = PDQ_OS_IORD_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CONFIG_STAT_0);
112 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CONFIG_STAT_0, data | DEFEA_INTRENABLE);
113
114 return;
115 }
116
117 static const char *
118 pdq_eisa_match (type)
119 eisa_id_t type;
120 {
121 switch (type) {
122 case EISA_DEVICE_ID_DEC_DEC3001:
123 case EISA_DEVICE_ID_DEC_DEC3002:
124 case EISA_DEVICE_ID_DEC_DEC3003:
125 case EISA_DEVICE_ID_DEC_DEC3004:
126 return ("DEC FDDIcontroller/EISA Adapter");
127 break;
128 default:
129 break;
130 }
131 return (NULL);
132 }
133
134 static int
135 pdq_eisa_probe (dev)
136 device_t dev;
137 {
138 const char *desc;
139 u_int32_t iobase;
140 u_int32_t irq;
141 u_int32_t maddr;
142 u_int32_t msize;
143
144 u_int32_t eisa_id = eisa_get_id(dev);;
145
146 desc = pdq_eisa_match(eisa_id);
147 if (!desc) {
148 return (ENXIO);
149 }
150
151 device_set_desc(dev, desc);
152
153 iobase = eisa_get_slot(dev) * EISA_SLOT_SIZE;
154 pdq_eisa_subprobe((pdq_bus_t)SYS_RES_IOPORT, iobase, &maddr, &msize, &irq);
155
156 eisa_add_iospace(dev, iobase, 0x200, RESVADDR_NONE);
157 eisa_add_mspace(dev, maddr, msize, RESVADDR_NONE);
158 eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL);
159
160 return (0);
161 }
162
163 static void
164 pdq_eisa_ifintr(arg)
165 void * arg;
166 {
167 device_t dev;
168 pdq_softc_t * sc;
169
170 dev = (device_t)arg;
171 sc = device_get_softc(dev);
172
173 PDQ_LOCK(sc);
174 (void) pdq_interrupt(sc->sc_pdq);
175 PDQ_LOCK(sc);
176
177 return;
178 }
179
180 static int
181 pdq_eisa_attach (dev)
182 device_t dev;
183 {
184 pdq_softc_t * sc;
185 struct ifnet * ifp;
186 int error;
187
188 sc = device_get_softc(dev);
189 ifp = sc->ifp;
190
191 sc->dev = dev;
192
193 sc->io_rid = 0;
194 sc->io_type = SYS_RES_IOPORT;
195 sc->io = bus_alloc_resource_any(dev, sc->io_type, &sc->io_rid,
196 RF_ACTIVE);
197 if (!sc->io) {
198 device_printf(dev, "Unable to allocate I/O space resource.\n");
199 error = ENXIO;
200 goto bad;
201 }
202 sc->io_bsh = rman_get_bushandle(sc->io);
203 sc->io_bst = rman_get_bustag(sc->io);
204
205 sc->mem_rid = 0;
206 sc->mem_type = SYS_RES_MEMORY;
207 sc->mem = bus_alloc_resource_any(dev, sc->mem_type, &sc->mem_rid,
208 RF_ACTIVE);
209 if (!sc->mem) {
210 device_printf(dev, "Unable to allocate memory resource.\n");
211 error = ENXIO;
212 goto bad;
213 }
214 sc->mem_bsh = rman_get_bushandle(sc->mem);
215 sc->mem_bst = rman_get_bustag(sc->mem);
216
217 sc->irq_rid = 0;
218 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
219 RF_SHAREABLE | RF_ACTIVE);
220 if (!sc->irq) {
221 device_printf(dev, "Unable to allocate interrupt resource.\n");
222 error = ENXIO;
223 goto bad;
224 }
225
226 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
227
228 pdq_eisa_devinit(sc);
229 sc->sc_pdq = pdq_initialize(sc->mem_bst, sc->mem_bsh,
230 ifp->if_xname, -1,
231 (void *)sc, PDQ_DEFEA);
232 if (sc->sc_pdq == NULL) {
233 device_printf(dev, "Initialization failed.\n");
234 error = ENXIO;
235 goto bad;
236 }
237
238 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
239 pdq_eisa_ifintr, dev, &sc->irq_ih);
240 if (error) {
241 device_printf(dev, "Failed to setup interrupt handler.\n");
242 error = ENXIO;
243 goto bad;
244 }
245
246 bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes,
247 (caddr_t) IFP2ENADDR(sc->ifp), FDDI_ADDR_LEN);
248 pdq_ifattach(sc);
249
250 return (0);
251 bad:
252 pdq_free(dev);
253 return (error);
254 }
255
256 static int
257 pdq_eisa_detach (dev)
258 device_t dev;
259 {
260 pdq_softc_t * sc;
261
262 sc = device_get_softc(dev);
263 pdq_ifdetach(sc);
264
265 return (0);
266 }
267
268 static int
269 pdq_eisa_shutdown(dev)
270 device_t dev;
271 {
272 pdq_softc_t * sc;
273
274 sc = device_get_softc(dev);
275 pdq_hwreset(sc->sc_pdq);
276
277 return (0);
278 }
279
280 static device_method_t pdq_eisa_methods[] = {
281 DEVMETHOD(device_probe, pdq_eisa_probe),
282 DEVMETHOD(device_attach, pdq_eisa_attach),
283 DEVMETHOD(device_attach, pdq_eisa_detach),
284 DEVMETHOD(device_shutdown, pdq_eisa_shutdown),
285
286 { 0, 0 }
287 };
288
289 static driver_t pdq_eisa_driver = {
290 "fea",
291 pdq_eisa_methods,
292 sizeof(pdq_softc_t),
293 };
294
295 DRIVER_MODULE(fea, eisa, pdq_eisa_driver, pdq_devclass, 0, 0);
296 /* MODULE_DEPEND(fea, eisa, 1, 1, 1); */
297 MODULE_DEPEND(fea, fddi, 1, 1, 1);
Cache object: bd22e82d60f7f316f43c3f7c59a8ca0a
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