1/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
2
3/*-
4 * Copyright (c) 2002 JF Hay. All rights reserved.
5 * Copyright (c) 2000 M. Warner Losh. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * Copyright (c) 1996, 1998, 1999
31 * Christopher G. Demetriou. All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 * 3. All advertising materials mentioning features or use of this software
42 * must display the following acknowledgement:
43 * This product includes software developed by Christopher G. Demetriou
44 * for the NetBSD Project.
45 * 4. The name of the author may not be used to endorse or promote products
46 * derived from this software without specific prior written permission
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
49 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
50 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
51 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
52 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
53 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
57 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
58 */
59
60#include <sys/cdefs.h>
| 1/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
2
3/*-
4 * Copyright (c) 2002 JF Hay. All rights reserved.
5 * Copyright (c) 2000 M. Warner Losh. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * Copyright (c) 1996, 1998, 1999
31 * Christopher G. Demetriou. All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 * 3. All advertising materials mentioning features or use of this software
42 * must display the following acknowledgement:
43 * This product includes software developed by Christopher G. Demetriou
44 * for the NetBSD Project.
45 * 4. The name of the author may not be used to endorse or promote products
46 * derived from this software without specific prior written permission
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
49 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
50 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
51 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
52 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
53 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
57 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
58 */
59
60#include <sys/cdefs.h>
|
61__FBSDID("$FreeBSD: head/sys/dev/puc/puc.c 104068 2002-09-27 22:01:32Z phk $");
| 61__FBSDID("$FreeBSD: head/sys/dev/puc/puc.c 108470 2002-12-30 21:18:15Z schweikh $");
|
62
63/*
64 * PCI "universal" communication card device driver, glues com, lpt,
65 * and similar ports to PCI via bridge chip often much larger than
66 * the devices being glued.
67 *
68 * Author: Christopher G. Demetriou, May 14, 1998 (derived from NetBSD
69 * sys/dev/pci/pciide.c, revision 1.6).
70 *
71 * These devices could be (and some times are) described as
72 * communications/{serial,parallel}, etc. devices with known
73 * programming interfaces, but those programming interfaces (in
74 * particular the BAR assignments for devices, etc.) in fact are not
75 * particularly well defined.
76 *
77 * After I/we have seen more of these devices, it may be possible
78 * to generalize some of these bits. In particular, devices which
79 * describe themselves as communications/serial/16[45]50, and
80 * communications/parallel/??? might be attached via direct
81 * 'com' and 'lpt' attachments to pci.
82 */
83
84#include "opt_puc.h"
85
86#include <sys/param.h>
87#include <sys/systm.h>
88#include <sys/kernel.h>
89#include <sys/bus.h>
90#include <sys/conf.h>
91#include <sys/malloc.h>
92
93#include <machine/bus.h>
94#include <machine/resource.h>
95#include <sys/rman.h>
96
97#include <dev/pci/pcireg.h>
98#include <dev/pci/pcivar.h>
99
100#define PUC_ENTRAILS 1
101#include <dev/puc/pucvar.h>
102
103struct puc_device {
104 struct resource_list resources;
105 u_int serialfreq;
106};
107
108static void puc_intr(void *arg);
109
110static int puc_find_free_unit(char *);
111#ifdef PUC_DEBUG
112static void puc_print_resource_list(struct resource_list *);
113#endif
114
115devclass_t puc_devclass;
116
117static int
118puc_port_bar_index(struct puc_softc *sc, int bar)
119{
120 int i;
121
122 for (i = 0; i < PUC_MAX_BAR; i += 1) {
123 if (!sc->sc_bar_mappings[i].used)
124 break;
125 if (sc->sc_bar_mappings[i].bar == bar)
126 return (i);
127 }
128 sc->sc_bar_mappings[i].bar = bar;
129 sc->sc_bar_mappings[i].used = 1;
130 return (i);
131}
132
133int
134puc_attach(device_t dev, const struct puc_device_description *desc)
135{
136 char *typestr;
137 int bidx, childunit, i, irq_setup, rid;
138 struct puc_softc *sc;
139 struct puc_device *pdev;
140 struct resource *res;
141 struct resource_list_entry *rle;
142
143 sc = (struct puc_softc *)device_get_softc(dev);
144 bzero(sc, sizeof(*sc));
145 sc->sc_desc = desc;
146 if (sc->sc_desc == NULL)
147 return (ENXIO);
148
149#ifdef PUC_DEBUG
150 bootverbose = 1;
151
152 printf("puc: name: %s\n", sc->sc_desc->name);
153#endif
154 rid = 0;
155 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
156 RF_ACTIVE | RF_SHAREABLE);
157 if (!res)
158 return (ENXIO);
159
160 sc->irqres = res;
161 sc->irqrid = rid;
162#ifdef PUC_FASTINTR
163 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
164 INTR_TYPE_TTY | INTR_FAST, puc_intr, sc, &sc->intr_cookie);
165 if (irq_setup == 0)
166 sc->fastintr = INTR_FAST;
167 else
168 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
169 INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
170#else
171 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
172 INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
173#endif
174 if (irq_setup != 0)
175 return (ENXIO);
176
177 rid = 0;
178 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
179 if (i > 0 && rid == sc->sc_desc->ports[i].bar)
180 sc->barmuxed = 1;
181 rid = sc->sc_desc->ports[i].bar;
182 bidx = puc_port_bar_index(sc, rid);
183
184 if (sc->sc_bar_mappings[bidx].res != NULL)
185 continue;
186 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
187 0ul, ~0ul, 1, RF_ACTIVE);
188 if (res == NULL) {
189 printf("could not get resource\n");
190 continue;
191 }
192 sc->sc_bar_mappings[bidx].res = res;
193#ifdef PUC_DEBUG
194 printf("port rid %d bst %x, start %x, end %x\n", rid,
195 (u_int)rman_get_bustag(res), (u_int)rman_get_start(res),
196 (u_int)rman_get_end(res));
197#endif
198 }
199
200 if (desc->init != NULL) {
201 i = desc->init(sc);
202 if (i != 0)
203 return (i);
204 }
205
206 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
207 rid = sc->sc_desc->ports[i].bar;
208 bidx = puc_port_bar_index(sc, rid);
209 if (sc->sc_bar_mappings[bidx].res == NULL)
210 continue;
211
212 switch (sc->sc_desc->ports[i].type) {
213 case PUC_PORT_TYPE_COM:
214 typestr = "sio";
215 break;
216 default:
217 continue;
218 }
219 pdev = malloc(sizeof(struct puc_device), M_DEVBUF,
220 M_NOWAIT | M_ZERO);
221 if (!pdev)
222 continue;
223 resource_list_init(&pdev->resources);
224
225 /* First fake up an IRQ resource. */
226 resource_list_add(&pdev->resources, SYS_RES_IRQ, 0,
227 rman_get_start(sc->irqres), rman_get_end(sc->irqres),
228 rman_get_end(sc->irqres) - rman_get_start(sc->irqres) + 1);
229 rle = resource_list_find(&pdev->resources, SYS_RES_IRQ, 0);
230 rle->res = sc->irqres;
231
232 /* Now fake an IOPORT resource */
233 res = sc->sc_bar_mappings[bidx].res;
234 resource_list_add(&pdev->resources, SYS_RES_IOPORT, 0,
235 rman_get_start(res) + sc->sc_desc->ports[i].offset,
236 rman_get_start(res) + sc->sc_desc->ports[i].offset + 8 - 1,
237 8);
238 rle = resource_list_find(&pdev->resources, SYS_RES_IOPORT, 0);
239
240 if (sc->barmuxed == 0) {
241 rle->res = sc->sc_bar_mappings[bidx].res;
242 } else {
243 rle->res = malloc(sizeof(struct resource), M_DEVBUF,
244 M_WAITOK | M_ZERO);
245 if (rle->res == NULL) {
246 free(pdev, M_DEVBUF);
247 return (ENOMEM);
248 }
249
250 rle->res->r_start = rman_get_start(res) +
251 sc->sc_desc->ports[i].offset;
252 rle->res->r_end = rle->res->r_start + 8 - 1;
253 rle->res->r_bustag = rman_get_bustag(res);
254 bus_space_subregion(rle->res->r_bustag,
255 rman_get_bushandle(res),
256 sc->sc_desc->ports[i].offset, 8,
257 &rle->res->r_bushandle);
258 }
259
260 pdev->serialfreq = sc->sc_desc->ports[i].serialfreq;
261
262 childunit = puc_find_free_unit(typestr);
263 sc->sc_ports[i].dev = device_add_child(dev, typestr, childunit);
264 if (sc->sc_ports[i].dev == NULL) {
265 if (sc->barmuxed) {
266 bus_space_unmap(rman_get_bustag(rle->res),
267 rman_get_bushandle(rle->res),
268 8);
269 free(rle->res, M_DEVBUF);
270 free(pdev, M_DEVBUF);
271 }
272 continue;
273 }
274 device_set_ivars(sc->sc_ports[i].dev, pdev);
275 device_set_desc(sc->sc_ports[i].dev, sc->sc_desc->name);
276 if (!bootverbose)
277 device_quiet(sc->sc_ports[i].dev);
278#ifdef PUC_DEBUG
279 printf("puc: type %d, bar %x, offset %x\n",
280 sc->sc_desc->ports[i].type,
281 sc->sc_desc->ports[i].bar,
282 sc->sc_desc->ports[i].offset);
283 puc_print_resource_list(&pdev->resources);
284#endif
285 device_set_flags(sc->sc_ports[i].dev,
286 sc->sc_desc->ports[i].flags);
287 if (device_probe_and_attach(sc->sc_ports[i].dev) != 0) {
288 if (sc->barmuxed) {
289 bus_space_unmap(rman_get_bustag(rle->res),
290 rman_get_bushandle(rle->res),
291 8);
292 free(rle->res, M_DEVBUF);
293 free(pdev, M_DEVBUF);
294 }
295 }
296 }
297
298#ifdef PUC_DEBUG
299 bootverbose = 0;
300#endif
301 return (0);
302}
303
304/*
| 62
63/*
64 * PCI "universal" communication card device driver, glues com, lpt,
65 * and similar ports to PCI via bridge chip often much larger than
66 * the devices being glued.
67 *
68 * Author: Christopher G. Demetriou, May 14, 1998 (derived from NetBSD
69 * sys/dev/pci/pciide.c, revision 1.6).
70 *
71 * These devices could be (and some times are) described as
72 * communications/{serial,parallel}, etc. devices with known
73 * programming interfaces, but those programming interfaces (in
74 * particular the BAR assignments for devices, etc.) in fact are not
75 * particularly well defined.
76 *
77 * After I/we have seen more of these devices, it may be possible
78 * to generalize some of these bits. In particular, devices which
79 * describe themselves as communications/serial/16[45]50, and
80 * communications/parallel/??? might be attached via direct
81 * 'com' and 'lpt' attachments to pci.
82 */
83
84#include "opt_puc.h"
85
86#include <sys/param.h>
87#include <sys/systm.h>
88#include <sys/kernel.h>
89#include <sys/bus.h>
90#include <sys/conf.h>
91#include <sys/malloc.h>
92
93#include <machine/bus.h>
94#include <machine/resource.h>
95#include <sys/rman.h>
96
97#include <dev/pci/pcireg.h>
98#include <dev/pci/pcivar.h>
99
100#define PUC_ENTRAILS 1
101#include <dev/puc/pucvar.h>
102
103struct puc_device {
104 struct resource_list resources;
105 u_int serialfreq;
106};
107
108static void puc_intr(void *arg);
109
110static int puc_find_free_unit(char *);
111#ifdef PUC_DEBUG
112static void puc_print_resource_list(struct resource_list *);
113#endif
114
115devclass_t puc_devclass;
116
117static int
118puc_port_bar_index(struct puc_softc *sc, int bar)
119{
120 int i;
121
122 for (i = 0; i < PUC_MAX_BAR; i += 1) {
123 if (!sc->sc_bar_mappings[i].used)
124 break;
125 if (sc->sc_bar_mappings[i].bar == bar)
126 return (i);
127 }
128 sc->sc_bar_mappings[i].bar = bar;
129 sc->sc_bar_mappings[i].used = 1;
130 return (i);
131}
132
133int
134puc_attach(device_t dev, const struct puc_device_description *desc)
135{
136 char *typestr;
137 int bidx, childunit, i, irq_setup, rid;
138 struct puc_softc *sc;
139 struct puc_device *pdev;
140 struct resource *res;
141 struct resource_list_entry *rle;
142
143 sc = (struct puc_softc *)device_get_softc(dev);
144 bzero(sc, sizeof(*sc));
145 sc->sc_desc = desc;
146 if (sc->sc_desc == NULL)
147 return (ENXIO);
148
149#ifdef PUC_DEBUG
150 bootverbose = 1;
151
152 printf("puc: name: %s\n", sc->sc_desc->name);
153#endif
154 rid = 0;
155 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
156 RF_ACTIVE | RF_SHAREABLE);
157 if (!res)
158 return (ENXIO);
159
160 sc->irqres = res;
161 sc->irqrid = rid;
162#ifdef PUC_FASTINTR
163 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
164 INTR_TYPE_TTY | INTR_FAST, puc_intr, sc, &sc->intr_cookie);
165 if (irq_setup == 0)
166 sc->fastintr = INTR_FAST;
167 else
168 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
169 INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
170#else
171 irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
172 INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
173#endif
174 if (irq_setup != 0)
175 return (ENXIO);
176
177 rid = 0;
178 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
179 if (i > 0 && rid == sc->sc_desc->ports[i].bar)
180 sc->barmuxed = 1;
181 rid = sc->sc_desc->ports[i].bar;
182 bidx = puc_port_bar_index(sc, rid);
183
184 if (sc->sc_bar_mappings[bidx].res != NULL)
185 continue;
186 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
187 0ul, ~0ul, 1, RF_ACTIVE);
188 if (res == NULL) {
189 printf("could not get resource\n");
190 continue;
191 }
192 sc->sc_bar_mappings[bidx].res = res;
193#ifdef PUC_DEBUG
194 printf("port rid %d bst %x, start %x, end %x\n", rid,
195 (u_int)rman_get_bustag(res), (u_int)rman_get_start(res),
196 (u_int)rman_get_end(res));
197#endif
198 }
199
200 if (desc->init != NULL) {
201 i = desc->init(sc);
202 if (i != 0)
203 return (i);
204 }
205
206 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
207 rid = sc->sc_desc->ports[i].bar;
208 bidx = puc_port_bar_index(sc, rid);
209 if (sc->sc_bar_mappings[bidx].res == NULL)
210 continue;
211
212 switch (sc->sc_desc->ports[i].type) {
213 case PUC_PORT_TYPE_COM:
214 typestr = "sio";
215 break;
216 default:
217 continue;
218 }
219 pdev = malloc(sizeof(struct puc_device), M_DEVBUF,
220 M_NOWAIT | M_ZERO);
221 if (!pdev)
222 continue;
223 resource_list_init(&pdev->resources);
224
225 /* First fake up an IRQ resource. */
226 resource_list_add(&pdev->resources, SYS_RES_IRQ, 0,
227 rman_get_start(sc->irqres), rman_get_end(sc->irqres),
228 rman_get_end(sc->irqres) - rman_get_start(sc->irqres) + 1);
229 rle = resource_list_find(&pdev->resources, SYS_RES_IRQ, 0);
230 rle->res = sc->irqres;
231
232 /* Now fake an IOPORT resource */
233 res = sc->sc_bar_mappings[bidx].res;
234 resource_list_add(&pdev->resources, SYS_RES_IOPORT, 0,
235 rman_get_start(res) + sc->sc_desc->ports[i].offset,
236 rman_get_start(res) + sc->sc_desc->ports[i].offset + 8 - 1,
237 8);
238 rle = resource_list_find(&pdev->resources, SYS_RES_IOPORT, 0);
239
240 if (sc->barmuxed == 0) {
241 rle->res = sc->sc_bar_mappings[bidx].res;
242 } else {
243 rle->res = malloc(sizeof(struct resource), M_DEVBUF,
244 M_WAITOK | M_ZERO);
245 if (rle->res == NULL) {
246 free(pdev, M_DEVBUF);
247 return (ENOMEM);
248 }
249
250 rle->res->r_start = rman_get_start(res) +
251 sc->sc_desc->ports[i].offset;
252 rle->res->r_end = rle->res->r_start + 8 - 1;
253 rle->res->r_bustag = rman_get_bustag(res);
254 bus_space_subregion(rle->res->r_bustag,
255 rman_get_bushandle(res),
256 sc->sc_desc->ports[i].offset, 8,
257 &rle->res->r_bushandle);
258 }
259
260 pdev->serialfreq = sc->sc_desc->ports[i].serialfreq;
261
262 childunit = puc_find_free_unit(typestr);
263 sc->sc_ports[i].dev = device_add_child(dev, typestr, childunit);
264 if (sc->sc_ports[i].dev == NULL) {
265 if (sc->barmuxed) {
266 bus_space_unmap(rman_get_bustag(rle->res),
267 rman_get_bushandle(rle->res),
268 8);
269 free(rle->res, M_DEVBUF);
270 free(pdev, M_DEVBUF);
271 }
272 continue;
273 }
274 device_set_ivars(sc->sc_ports[i].dev, pdev);
275 device_set_desc(sc->sc_ports[i].dev, sc->sc_desc->name);
276 if (!bootverbose)
277 device_quiet(sc->sc_ports[i].dev);
278#ifdef PUC_DEBUG
279 printf("puc: type %d, bar %x, offset %x\n",
280 sc->sc_desc->ports[i].type,
281 sc->sc_desc->ports[i].bar,
282 sc->sc_desc->ports[i].offset);
283 puc_print_resource_list(&pdev->resources);
284#endif
285 device_set_flags(sc->sc_ports[i].dev,
286 sc->sc_desc->ports[i].flags);
287 if (device_probe_and_attach(sc->sc_ports[i].dev) != 0) {
288 if (sc->barmuxed) {
289 bus_space_unmap(rman_get_bustag(rle->res),
290 rman_get_bushandle(rle->res),
291 8);
292 free(rle->res, M_DEVBUF);
293 free(pdev, M_DEVBUF);
294 }
295 }
296 }
297
298#ifdef PUC_DEBUG
299 bootverbose = 0;
300#endif
301 return (0);
302}
303
304/*
|
305 * This is just an brute force interrupt handler. It just calls all the
| 305 * This is just a brute force interrupt handler. It just calls all the
|
306 * registered handlers sequencially.
307 *
308 * Later on we should maybe have a different handler for boards that can
309 * tell us which device generated the interrupt.
310 */
311static void
312puc_intr(void *arg)
313{
314 int i;
315 struct puc_softc *sc;
316
317 sc = (struct puc_softc *)arg;
318 for (i = 0; i < PUC_MAX_PORTS; i++)
319 if (sc->sc_ports[i].ihand != NULL)
320 (sc->sc_ports[i].ihand)(sc->sc_ports[i].ihandarg);
321}
322
323const struct puc_device_description *
324puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend,
325 uint32_t sprod)
326{
327 int i;
328
329#define checkreg(val, index) \
330 (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)])
331
332 for (i = 0; puc_devices[i].name != NULL; i++) {
333 if (checkreg(vend, PUC_REG_VEND) &&
334 checkreg(prod, PUC_REG_PROD) &&
335 checkreg(svend, PUC_REG_SVEND) &&
336 checkreg(sprod, PUC_REG_SPROD))
337 return (&puc_devices[i]);
338 }
339
340#undef checkreg
341
342 return (NULL);
343}
344
345static int
346puc_find_free_unit(char *name)
347{
348 devclass_t dc;
349 int start;
350 int unit;
351
352 unit = 0;
353 start = 0;
354 while (resource_int_value(name, unit, "port", &start) == 0 &&
355 start > 0)
356 unit++;
357 dc = devclass_find(name);
358 if (dc == NULL)
359 return (-1);
360 while (devclass_get_device(dc, unit))
361 unit++;
362#ifdef PUC_DEBUG
363 printf("puc: Using %s%d\n", name, unit);
364#endif
365 return (unit);
366}
367
368#ifdef PUC_DEBUG
369static void
370puc_print_resource_list(struct resource_list *rl)
371{
372#if 0
373 struct resource_list_entry *rle;
374
375 printf("print_resource_list: rl %p\n", rl);
376 SLIST_FOREACH(rle, rl, link)
377 printf(" type %x, rid %x start %x end %x count %x\n",
378 rle->type, rle->rid, rle->start, rle->end, rle->count);
379 printf("print_resource_list: end.\n");
380#endif
381}
382#endif
383
384struct resource *
385puc_alloc_resource(device_t dev, device_t child, int type, int *rid,
386 u_long start, u_long end, u_long count, u_int flags)
387{
388 struct puc_device *pdev;
389 struct resource *retval;
390 struct resource_list *rl;
391 struct resource_list_entry *rle;
392
393 pdev = device_get_ivars(child);
394 rl = &pdev->resources;
395
396#ifdef PUC_DEBUG
397 printf("puc_alloc_resource: pdev %p, looking for t %x, r %x\n",
398 pdev, type, *rid);
399 puc_print_resource_list(rl);
400#endif
401 retval = NULL;
402 rle = resource_list_find(rl, type, *rid);
403 if (rle) {
404 start = rle->start;
405 end = rle->end;
406 count = rle->count;
407#ifdef PUC_DEBUG
408 printf("found rle, %lx, %lx, %lx\n", start, end, count);
409#endif
410 retval = rle->res;
411 } else
412 printf("oops rle is gone\n");
413
414 return (retval);
415}
416
417int
418puc_release_resource(device_t dev, device_t child, int type, int rid,
419 struct resource *res)
420{
421 return (0);
422}
423
424int
425puc_get_resource(device_t dev, device_t child, int type, int rid,
426 u_long *startp, u_long *countp)
427{
428 struct puc_device *pdev;
429 struct resource_list *rl;
430 struct resource_list_entry *rle;
431
432 pdev = device_get_ivars(child);
433 rl = &pdev->resources;
434
435#ifdef PUC_DEBUG
436 printf("puc_get_resource: pdev %p, looking for t %x, r %x\n", pdev,
437 type, rid);
438 puc_print_resource_list(rl);
439#endif
440 rle = resource_list_find(rl, type, rid);
441 if (rle) {
442#ifdef PUC_DEBUG
443 printf("found rle %p,", rle);
444#endif
445 if (startp != NULL)
446 *startp = rle->start;
447 if (countp != NULL)
448 *countp = rle->count;
449#ifdef PUC_DEBUG
450 printf(" %lx, %lx\n", rle->start, rle->count);
451#endif
452 return (0);
453 } else
454 printf("oops rle is gone\n");
455 return (ENXIO);
456}
457
458int
459puc_setup_intr(device_t dev, device_t child, struct resource *r, int flags,
460 void (*ihand)(void *), void *arg, void **cookiep)
461{
462 int i;
463 struct puc_softc *sc;
464
465 sc = (struct puc_softc *)device_get_softc(dev);
466 if ((flags & INTR_FAST) != sc->fastintr)
467 return (ENXIO);
468 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
469 if (sc->sc_ports[i].dev == child) {
470 if (sc->sc_ports[i].ihand != 0)
471 return (ENXIO);
472 sc->sc_ports[i].ihand = ihand;
473 sc->sc_ports[i].ihandarg = arg;
474 *cookiep = arg;
475 return (0);
476 }
477 }
478 return (ENXIO);
479}
480
481int
482puc_teardown_intr(device_t dev, device_t child, struct resource *r,
483 void *cookie)
484{
485 int i;
486 struct puc_softc *sc;
487
488 sc = (struct puc_softc *)device_get_softc(dev);
489 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
490 if (sc->sc_ports[i].dev == child) {
491 sc->sc_ports[i].ihand = NULL;
492 sc->sc_ports[i].ihandarg = NULL;
493 return (0);
494 }
495 }
496 return (ENXIO);
497}
498
499int
500puc_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
501{
502 struct puc_device *pdev;
503
504 pdev = device_get_ivars(child);
505 if (pdev == NULL)
506 return (ENOENT);
507
508 switch(index) {
509 case PUC_IVAR_FREQ:
510 *result = pdev->serialfreq;
511 break;
512 default:
513 return (ENOENT);
514 }
515 return (0);
516}
| 306 * registered handlers sequencially.
307 *
308 * Later on we should maybe have a different handler for boards that can
309 * tell us which device generated the interrupt.
310 */
311static void
312puc_intr(void *arg)
313{
314 int i;
315 struct puc_softc *sc;
316
317 sc = (struct puc_softc *)arg;
318 for (i = 0; i < PUC_MAX_PORTS; i++)
319 if (sc->sc_ports[i].ihand != NULL)
320 (sc->sc_ports[i].ihand)(sc->sc_ports[i].ihandarg);
321}
322
323const struct puc_device_description *
324puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend,
325 uint32_t sprod)
326{
327 int i;
328
329#define checkreg(val, index) \
330 (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)])
331
332 for (i = 0; puc_devices[i].name != NULL; i++) {
333 if (checkreg(vend, PUC_REG_VEND) &&
334 checkreg(prod, PUC_REG_PROD) &&
335 checkreg(svend, PUC_REG_SVEND) &&
336 checkreg(sprod, PUC_REG_SPROD))
337 return (&puc_devices[i]);
338 }
339
340#undef checkreg
341
342 return (NULL);
343}
344
345static int
346puc_find_free_unit(char *name)
347{
348 devclass_t dc;
349 int start;
350 int unit;
351
352 unit = 0;
353 start = 0;
354 while (resource_int_value(name, unit, "port", &start) == 0 &&
355 start > 0)
356 unit++;
357 dc = devclass_find(name);
358 if (dc == NULL)
359 return (-1);
360 while (devclass_get_device(dc, unit))
361 unit++;
362#ifdef PUC_DEBUG
363 printf("puc: Using %s%d\n", name, unit);
364#endif
365 return (unit);
366}
367
368#ifdef PUC_DEBUG
369static void
370puc_print_resource_list(struct resource_list *rl)
371{
372#if 0
373 struct resource_list_entry *rle;
374
375 printf("print_resource_list: rl %p\n", rl);
376 SLIST_FOREACH(rle, rl, link)
377 printf(" type %x, rid %x start %x end %x count %x\n",
378 rle->type, rle->rid, rle->start, rle->end, rle->count);
379 printf("print_resource_list: end.\n");
380#endif
381}
382#endif
383
384struct resource *
385puc_alloc_resource(device_t dev, device_t child, int type, int *rid,
386 u_long start, u_long end, u_long count, u_int flags)
387{
388 struct puc_device *pdev;
389 struct resource *retval;
390 struct resource_list *rl;
391 struct resource_list_entry *rle;
392
393 pdev = device_get_ivars(child);
394 rl = &pdev->resources;
395
396#ifdef PUC_DEBUG
397 printf("puc_alloc_resource: pdev %p, looking for t %x, r %x\n",
398 pdev, type, *rid);
399 puc_print_resource_list(rl);
400#endif
401 retval = NULL;
402 rle = resource_list_find(rl, type, *rid);
403 if (rle) {
404 start = rle->start;
405 end = rle->end;
406 count = rle->count;
407#ifdef PUC_DEBUG
408 printf("found rle, %lx, %lx, %lx\n", start, end, count);
409#endif
410 retval = rle->res;
411 } else
412 printf("oops rle is gone\n");
413
414 return (retval);
415}
416
417int
418puc_release_resource(device_t dev, device_t child, int type, int rid,
419 struct resource *res)
420{
421 return (0);
422}
423
424int
425puc_get_resource(device_t dev, device_t child, int type, int rid,
426 u_long *startp, u_long *countp)
427{
428 struct puc_device *pdev;
429 struct resource_list *rl;
430 struct resource_list_entry *rle;
431
432 pdev = device_get_ivars(child);
433 rl = &pdev->resources;
434
435#ifdef PUC_DEBUG
436 printf("puc_get_resource: pdev %p, looking for t %x, r %x\n", pdev,
437 type, rid);
438 puc_print_resource_list(rl);
439#endif
440 rle = resource_list_find(rl, type, rid);
441 if (rle) {
442#ifdef PUC_DEBUG
443 printf("found rle %p,", rle);
444#endif
445 if (startp != NULL)
446 *startp = rle->start;
447 if (countp != NULL)
448 *countp = rle->count;
449#ifdef PUC_DEBUG
450 printf(" %lx, %lx\n", rle->start, rle->count);
451#endif
452 return (0);
453 } else
454 printf("oops rle is gone\n");
455 return (ENXIO);
456}
457
458int
459puc_setup_intr(device_t dev, device_t child, struct resource *r, int flags,
460 void (*ihand)(void *), void *arg, void **cookiep)
461{
462 int i;
463 struct puc_softc *sc;
464
465 sc = (struct puc_softc *)device_get_softc(dev);
466 if ((flags & INTR_FAST) != sc->fastintr)
467 return (ENXIO);
468 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
469 if (sc->sc_ports[i].dev == child) {
470 if (sc->sc_ports[i].ihand != 0)
471 return (ENXIO);
472 sc->sc_ports[i].ihand = ihand;
473 sc->sc_ports[i].ihandarg = arg;
474 *cookiep = arg;
475 return (0);
476 }
477 }
478 return (ENXIO);
479}
480
481int
482puc_teardown_intr(device_t dev, device_t child, struct resource *r,
483 void *cookie)
484{
485 int i;
486 struct puc_softc *sc;
487
488 sc = (struct puc_softc *)device_get_softc(dev);
489 for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
490 if (sc->sc_ports[i].dev == child) {
491 sc->sc_ports[i].ihand = NULL;
492 sc->sc_ports[i].ihandarg = NULL;
493 return (0);
494 }
495 }
496 return (ENXIO);
497}
498
499int
500puc_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
501{
502 struct puc_device *pdev;
503
504 pdev = device_get_ivars(child);
505 if (pdev == NULL)
506 return (ENOENT);
507
508 switch(index) {
509 case PUC_IVAR_FREQ:
510 *result = pdev->serialfreq;
511 break;
512 default:
513 return (ENOENT);
514 }
515 return (0);
516}
|