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: releng/8.0/sys/dev/pdq/if_fea.c 166923 2007-02-23 20:11:27Z piso $
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_media.h>
47 #include <net/fddi.h>
48
49 #include <dev/eisa/eisaconf.h>
50
51 #include <dev/pdq/pdq_freebsd.h>
52 #include <dev/pdq/pdqreg.h>
53
54 static void pdq_eisa_subprobe (pdq_bus_t, u_int32_t, u_int32_t *, u_int32_t *, u_int32_t *);
55 static void pdq_eisa_devinit (pdq_softc_t *);
56 static const char * pdq_eisa_match (eisa_id_t);
57
58 static int pdq_eisa_probe (device_t);
59 static int pdq_eisa_attach (device_t);
60 static int pdq_eisa_detach (device_t);
61 static int pdq_eisa_shutdown (device_t);
62 static void pdq_eisa_ifintr (void *);
63
64 #define DEFEA_IRQS 0x0000FBA9U
65
66 #define DEFEA_INTRENABLE 0x8 /* level interrupt */
67 #define DEFEA_DECODE_IRQ(n) ((DEFEA_IRQS >> ((n) << 2)) & 0x0f)
68
69 #define EISA_DEVICE_ID_DEC_DEC3001 0x10a33001
70 #define EISA_DEVICE_ID_DEC_DEC3002 0x10a33002
71 #define EISA_DEVICE_ID_DEC_DEC3003 0x10a33003
72 #define EISA_DEVICE_ID_DEC_DEC3004 0x10a33004
73
74 static void
75 pdq_eisa_subprobe(bc, iobase, maddr, msize, irq)
76 pdq_bus_t bc;
77 u_int32_t iobase;
78 u_int32_t *maddr;
79 u_int32_t *msize;
80 u_int32_t *irq;
81 {
82 if (irq != NULL)
83 *irq = DEFEA_DECODE_IRQ(PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_IO_CONFIG_STAT_0) & 3);
84 *maddr = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_0) << 8)
85 | (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_1) << 16);
86 *msize = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_MASK_0) + 4) << 8;
87
88 return;
89 }
90
91 static void
92 pdq_eisa_devinit (sc)
93 pdq_softc_t *sc;
94 {
95 pdq_uint8_t data;
96
97 /*
98 * Do the standard initialization for the DEFEA registers.
99 */
100 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_FUNCTION_CTRL, 0x23);
101 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CMP_1_1, (sc->io_bsh >> 8) & 0xF0);
102 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CMP_0_1, (sc->io_bsh >> 8) & 0xF0);
103 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_SLOT_CTRL, 0x01);
104 data = PDQ_OS_IORD_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF);
105 #if defined(PDQ_IOMAPPED)
106 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF, data & ~1);
107 #else
108 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_BURST_HOLDOFF, data | 1);
109 #endif
110 data = PDQ_OS_IORD_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CONFIG_STAT_0);
111 PDQ_OS_IOWR_8(sc->io_bst, sc->io_bsh, PDQ_EISA_IO_CONFIG_STAT_0, data | DEFEA_INTRENABLE);
112
113 return;
114 }
115
116 static const char *
117 pdq_eisa_match (type)
118 eisa_id_t type;
119 {
120 switch (type) {
121 case EISA_DEVICE_ID_DEC_DEC3001:
122 case EISA_DEVICE_ID_DEC_DEC3002:
123 case EISA_DEVICE_ID_DEC_DEC3003:
124 case EISA_DEVICE_ID_DEC_DEC3004:
125 return ("DEC FDDIcontroller/EISA Adapter");
126 break;
127 default:
128 break;
129 }
130 return (NULL);
131 }
132
133 static int
134 pdq_eisa_probe (dev)
135 device_t dev;
136 {
137 const char *desc;
138 u_int32_t iobase;
139 u_int32_t irq;
140 u_int32_t maddr;
141 u_int32_t msize;
142
143 u_int32_t eisa_id = eisa_get_id(dev);;
144
145 desc = pdq_eisa_match(eisa_id);
146 if (!desc) {
147 return (ENXIO);
148 }
149
150 device_set_desc(dev, desc);
151
152 iobase = eisa_get_slot(dev) * EISA_SLOT_SIZE;
153 pdq_eisa_subprobe((pdq_bus_t)SYS_RES_IOPORT, iobase, &maddr, &msize, &irq);
154
155 eisa_add_iospace(dev, iobase, 0x200, RESVADDR_NONE);
156 eisa_add_mspace(dev, maddr, msize, RESVADDR_NONE);
157 eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL);
158
159 return (0);
160 }
161
162 static void
163 pdq_eisa_ifintr(arg)
164 void * arg;
165 {
166 device_t dev;
167 pdq_softc_t * sc;
168
169 dev = (device_t)arg;
170 sc = device_get_softc(dev);
171
172 PDQ_LOCK(sc);
173 (void) pdq_interrupt(sc->sc_pdq);
174 PDQ_LOCK(sc);
175
176 return;
177 }
178
179 static int
180 pdq_eisa_attach (dev)
181 device_t dev;
182 {
183 pdq_softc_t * sc;
184 struct ifnet * ifp;
185 int error;
186
187 sc = device_get_softc(dev);
188 ifp = sc->ifp;
189
190 sc->dev = dev;
191
192 sc->io_rid = 0;
193 sc->io_type = SYS_RES_IOPORT;
194 sc->io = bus_alloc_resource_any(dev, sc->io_type, &sc->io_rid,
195 RF_ACTIVE);
196 if (!sc->io) {
197 device_printf(dev, "Unable to allocate I/O space resource.\n");
198 error = ENXIO;
199 goto bad;
200 }
201 sc->io_bsh = rman_get_bushandle(sc->io);
202 sc->io_bst = rman_get_bustag(sc->io);
203
204 sc->mem_rid = 0;
205 sc->mem_type = SYS_RES_MEMORY;
206 sc->mem = bus_alloc_resource_any(dev, sc->mem_type, &sc->mem_rid,
207 RF_ACTIVE);
208 if (!sc->mem) {
209 device_printf(dev, "Unable to allocate memory resource.\n");
210 error = ENXIO;
211 goto bad;
212 }
213 sc->mem_bsh = rman_get_bushandle(sc->mem);
214 sc->mem_bst = rman_get_bustag(sc->mem);
215
216 sc->irq_rid = 0;
217 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
218 RF_SHAREABLE | RF_ACTIVE);
219 if (!sc->irq) {
220 device_printf(dev, "Unable to allocate interrupt resource.\n");
221 error = ENXIO;
222 goto bad;
223 }
224
225 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
226
227 pdq_eisa_devinit(sc);
228 sc->sc_pdq = pdq_initialize(sc->mem_bst, sc->mem_bsh,
229 ifp->if_xname, -1,
230 (void *)sc, PDQ_DEFEA);
231 if (sc->sc_pdq == NULL) {
232 device_printf(dev, "Initialization failed.\n");
233 error = ENXIO;
234 goto bad;
235 }
236
237 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
238 NULL, pdq_eisa_ifintr, dev, &sc->irq_ih);
239 if (error) {
240 device_printf(dev, "Failed to setup interrupt handler.\n");
241 error = ENXIO;
242 goto bad;
243 }
244
245 pdq_ifattach(sc, sc->sc_pdq->pdq_hwaddr.lanaddr_bytes);
246
247 return (0);
248 bad:
249 pdq_free(dev);
250 return (error);
251 }
252
253 static int
254 pdq_eisa_detach (dev)
255 device_t dev;
256 {
257 pdq_softc_t * sc;
258
259 sc = device_get_softc(dev);
260 pdq_ifdetach(sc);
261
262 return (0);
263 }
264
265 static int
266 pdq_eisa_shutdown(dev)
267 device_t dev;
268 {
269 pdq_softc_t * sc;
270
271 sc = device_get_softc(dev);
272 pdq_hwreset(sc->sc_pdq);
273
274 return (0);
275 }
276
277 static device_method_t pdq_eisa_methods[] = {
278 DEVMETHOD(device_probe, pdq_eisa_probe),
279 DEVMETHOD(device_attach, pdq_eisa_attach),
280 DEVMETHOD(device_attach, pdq_eisa_detach),
281 DEVMETHOD(device_shutdown, pdq_eisa_shutdown),
282
283 { 0, 0 }
284 };
285
286 static driver_t pdq_eisa_driver = {
287 "fea",
288 pdq_eisa_methods,
289 sizeof(pdq_softc_t),
290 };
291
292 DRIVER_MODULE(fea, eisa, pdq_eisa_driver, pdq_devclass, 0, 0);
293 /* MODULE_DEPEND(fea, eisa, 1, 1, 1); */
294 MODULE_DEPEND(fea, fddi, 1, 1, 1);
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