Deleted Added
full compact
fwohci_pci.c (271795) fwohci_pci.c (272214)
1/*-
2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
16 *
17 * This product includes software developed by K. Kobayashi and H. SHimokawa
18 *
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
16 *
17 * This product includes software developed by K. Kobayashi and H. SHimokawa
18 *
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/sys/dev/firewire/fwohci_pci.c 271795 2014-09-18 17:28:21Z will $");
36__FBSDID("$FreeBSD: head/sys/dev/firewire/fwohci_pci.c 272214 2014-09-27 16:50:21Z kan $");
37
38#define BOUNCE_BUFFER_TEST 0
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/module.h>
44#include <sys/bus.h>
45#include <sys/queue.h>
46#include <machine/bus.h>
47#include <sys/rman.h>
48#include <sys/malloc.h>
49#include <sys/lock.h>
50#include <sys/mutex.h>
51#include <machine/resource.h>
52
53#include <dev/pci/pcivar.h>
54#include <dev/pci/pcireg.h>
55
56#include <dev/firewire/firewire.h>
57#include <dev/firewire/firewirereg.h>
58
59#include <dev/firewire/fwdma.h>
60#include <dev/firewire/fwohcireg.h>
61#include <dev/firewire/fwohcivar.h>
62
63static int fwohci_pci_attach(device_t self);
64static int fwohci_pci_detach(device_t self);
65
66/*
67 * The probe routine.
68 */
69static int
37
38#define BOUNCE_BUFFER_TEST 0
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/module.h>
44#include <sys/bus.h>
45#include <sys/queue.h>
46#include <machine/bus.h>
47#include <sys/rman.h>
48#include <sys/malloc.h>
49#include <sys/lock.h>
50#include <sys/mutex.h>
51#include <machine/resource.h>
52
53#include <dev/pci/pcivar.h>
54#include <dev/pci/pcireg.h>
55
56#include <dev/firewire/firewire.h>
57#include <dev/firewire/firewirereg.h>
58
59#include <dev/firewire/fwdma.h>
60#include <dev/firewire/fwohcireg.h>
61#include <dev/firewire/fwohcivar.h>
62
63static int fwohci_pci_attach(device_t self);
64static int fwohci_pci_detach(device_t self);
65
66/*
67 * The probe routine.
68 */
69static int
70fwohci_pci_probe( device_t dev )
70fwohci_pci_probe(device_t dev)
71{
72 uint32_t id;
73
74 id = pci_get_devid(dev);
75 if (id == (FW_VENDORID_NATSEMI | FW_DEVICE_CS4210)) {
76 device_set_desc(dev, "National Semiconductor CS4210");
77 return BUS_PROBE_DEFAULT;
78 }
79 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) {
80 device_set_desc(dev, "NEC uPD72861");
81 return BUS_PROBE_DEFAULT;
82 }
83 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) {
84 device_set_desc(dev, "NEC uPD72871/2");
85 return BUS_PROBE_DEFAULT;
86 }
87 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72870)) {
88 device_set_desc(dev, "NEC uPD72870");
89 return BUS_PROBE_DEFAULT;
90 }
91 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72873)) {
92 device_set_desc(dev, "NEC uPD72873");
93 return BUS_PROBE_DEFAULT;
94 }
95 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72874)) {
96 device_set_desc(dev, "NEC uPD72874");
97 return BUS_PROBE_DEFAULT;
98 }
99 if (id == (FW_VENDORID_SIS | FW_DEVICE_7007)) {
100 /* It has no real identifier, using device id. */
101 device_set_desc(dev, "SiS 7007");
102 return BUS_PROBE_DEFAULT;
103 }
104 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) {
105 device_set_desc(dev, "Texas Instruments TSB12LV22");
106 return BUS_PROBE_DEFAULT;
107 }
108 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) {
109 device_set_desc(dev, "Texas Instruments TSB12LV23");
110 return BUS_PROBE_DEFAULT;
111 }
112 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) {
113 device_set_desc(dev, "Texas Instruments TSB12LV26");
114 return BUS_PROBE_DEFAULT;
115 }
116 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) {
117 device_set_desc(dev, "Texas Instruments TSB43AA22");
118 return BUS_PROBE_DEFAULT;
119 }
120 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) {
121 device_set_desc(dev, "Texas Instruments TSB43AB22/A");
122 return BUS_PROBE_DEFAULT;
123 }
124 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB21)) {
125 device_set_desc(dev, "Texas Instruments TSB43AB21/A/AI/A-EP");
126 return BUS_PROBE_DEFAULT;
127 }
128 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB23)) {
129 device_set_desc(dev, "Texas Instruments TSB43AB23");
130 return BUS_PROBE_DEFAULT;
131 }
132 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB82AA2)) {
133 device_set_desc(dev, "Texas Instruments TSB82AA2");
134 return BUS_PROBE_DEFAULT;
135 }
136 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) {
137 device_set_desc(dev, "Texas Instruments PCI4450");
138 return BUS_PROBE_DEFAULT;
139 }
140 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) {
141 device_set_desc(dev, "Texas Instruments PCI4410A");
142 return BUS_PROBE_DEFAULT;
143 }
144 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4451)) {
145 device_set_desc(dev, "Texas Instruments PCI4451");
146 return BUS_PROBE_DEFAULT;
147 }
148 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD1947)) {
149 device_printf(dev, "Sony i.LINK (CXD1947) not supported\n");
150 return ENXIO;
151 }
152 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD3222)) {
153 device_set_desc(dev, "Sony i.LINK (CXD3222)");
154 return BUS_PROBE_DEFAULT;
155 }
156 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) {
157 device_set_desc(dev, "VIA Fire II (VT6306)");
158 return BUS_PROBE_DEFAULT;
159 }
160 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C551)) {
161 device_set_desc(dev, "Ricoh R5C551");
162 return BUS_PROBE_DEFAULT;
163 }
164 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) {
165 device_set_desc(dev, "Ricoh R5C552");
166 return BUS_PROBE_DEFAULT;
167 }
168 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) {
169 device_set_desc(dev, "Apple Pangea");
170 return BUS_PROBE_DEFAULT;
171 }
172 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) {
173 device_set_desc(dev, "Apple UniNorth");
174 return BUS_PROBE_DEFAULT;
175 }
176 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) {
177 device_set_desc(dev, "Lucent FW322/323");
178 return BUS_PROBE_DEFAULT;
179 }
180 if (id == (FW_VENDORID_INTEL | FW_DEVICE_82372FB)) {
181 device_set_desc(dev, "Intel 82372FB");
182 return BUS_PROBE_DEFAULT;
183 }
184 if (id == (FW_VENDORID_ADAPTEC | FW_DEVICE_AIC5800)) {
185 device_set_desc(dev, "Adaptec AHA-894x/AIC-5800");
186 return BUS_PROBE_DEFAULT;
187 }
188 if (id == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW)) {
189 device_set_desc(dev, "Sun PCIO-2");
190 return BUS_PROBE_DEFAULT;
191 }
192 if (pci_get_class(dev) == PCIC_SERIALBUS
193 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW
194 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
195 if (bootverbose)
196 device_printf(dev, "vendor=%x, dev=%x\n",
197 pci_get_vendor(dev), pci_get_device(dev));
198 device_set_desc(dev, "1394 Open Host Controller Interface");
199 return BUS_PROBE_DEFAULT;
200 }
201
202 return ENXIO;
203}
204
205static int
206fwohci_pci_init(device_t self)
207{
208 int olatency, latency, ocache_line, cache_line;
209 uint16_t cmd;
210
211 cmd = pci_read_config(self, PCIR_COMMAND, 2);
212 cmd |= PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
213#if 1 /* for broken hardware */
71{
72 uint32_t id;
73
74 id = pci_get_devid(dev);
75 if (id == (FW_VENDORID_NATSEMI | FW_DEVICE_CS4210)) {
76 device_set_desc(dev, "National Semiconductor CS4210");
77 return BUS_PROBE_DEFAULT;
78 }
79 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) {
80 device_set_desc(dev, "NEC uPD72861");
81 return BUS_PROBE_DEFAULT;
82 }
83 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) {
84 device_set_desc(dev, "NEC uPD72871/2");
85 return BUS_PROBE_DEFAULT;
86 }
87 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72870)) {
88 device_set_desc(dev, "NEC uPD72870");
89 return BUS_PROBE_DEFAULT;
90 }
91 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72873)) {
92 device_set_desc(dev, "NEC uPD72873");
93 return BUS_PROBE_DEFAULT;
94 }
95 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72874)) {
96 device_set_desc(dev, "NEC uPD72874");
97 return BUS_PROBE_DEFAULT;
98 }
99 if (id == (FW_VENDORID_SIS | FW_DEVICE_7007)) {
100 /* It has no real identifier, using device id. */
101 device_set_desc(dev, "SiS 7007");
102 return BUS_PROBE_DEFAULT;
103 }
104 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) {
105 device_set_desc(dev, "Texas Instruments TSB12LV22");
106 return BUS_PROBE_DEFAULT;
107 }
108 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) {
109 device_set_desc(dev, "Texas Instruments TSB12LV23");
110 return BUS_PROBE_DEFAULT;
111 }
112 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) {
113 device_set_desc(dev, "Texas Instruments TSB12LV26");
114 return BUS_PROBE_DEFAULT;
115 }
116 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) {
117 device_set_desc(dev, "Texas Instruments TSB43AA22");
118 return BUS_PROBE_DEFAULT;
119 }
120 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) {
121 device_set_desc(dev, "Texas Instruments TSB43AB22/A");
122 return BUS_PROBE_DEFAULT;
123 }
124 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB21)) {
125 device_set_desc(dev, "Texas Instruments TSB43AB21/A/AI/A-EP");
126 return BUS_PROBE_DEFAULT;
127 }
128 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB23)) {
129 device_set_desc(dev, "Texas Instruments TSB43AB23");
130 return BUS_PROBE_DEFAULT;
131 }
132 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB82AA2)) {
133 device_set_desc(dev, "Texas Instruments TSB82AA2");
134 return BUS_PROBE_DEFAULT;
135 }
136 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) {
137 device_set_desc(dev, "Texas Instruments PCI4450");
138 return BUS_PROBE_DEFAULT;
139 }
140 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) {
141 device_set_desc(dev, "Texas Instruments PCI4410A");
142 return BUS_PROBE_DEFAULT;
143 }
144 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4451)) {
145 device_set_desc(dev, "Texas Instruments PCI4451");
146 return BUS_PROBE_DEFAULT;
147 }
148 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD1947)) {
149 device_printf(dev, "Sony i.LINK (CXD1947) not supported\n");
150 return ENXIO;
151 }
152 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD3222)) {
153 device_set_desc(dev, "Sony i.LINK (CXD3222)");
154 return BUS_PROBE_DEFAULT;
155 }
156 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) {
157 device_set_desc(dev, "VIA Fire II (VT6306)");
158 return BUS_PROBE_DEFAULT;
159 }
160 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C551)) {
161 device_set_desc(dev, "Ricoh R5C551");
162 return BUS_PROBE_DEFAULT;
163 }
164 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) {
165 device_set_desc(dev, "Ricoh R5C552");
166 return BUS_PROBE_DEFAULT;
167 }
168 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) {
169 device_set_desc(dev, "Apple Pangea");
170 return BUS_PROBE_DEFAULT;
171 }
172 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) {
173 device_set_desc(dev, "Apple UniNorth");
174 return BUS_PROBE_DEFAULT;
175 }
176 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) {
177 device_set_desc(dev, "Lucent FW322/323");
178 return BUS_PROBE_DEFAULT;
179 }
180 if (id == (FW_VENDORID_INTEL | FW_DEVICE_82372FB)) {
181 device_set_desc(dev, "Intel 82372FB");
182 return BUS_PROBE_DEFAULT;
183 }
184 if (id == (FW_VENDORID_ADAPTEC | FW_DEVICE_AIC5800)) {
185 device_set_desc(dev, "Adaptec AHA-894x/AIC-5800");
186 return BUS_PROBE_DEFAULT;
187 }
188 if (id == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW)) {
189 device_set_desc(dev, "Sun PCIO-2");
190 return BUS_PROBE_DEFAULT;
191 }
192 if (pci_get_class(dev) == PCIC_SERIALBUS
193 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW
194 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
195 if (bootverbose)
196 device_printf(dev, "vendor=%x, dev=%x\n",
197 pci_get_vendor(dev), pci_get_device(dev));
198 device_set_desc(dev, "1394 Open Host Controller Interface");
199 return BUS_PROBE_DEFAULT;
200 }
201
202 return ENXIO;
203}
204
205static int
206fwohci_pci_init(device_t self)
207{
208 int olatency, latency, ocache_line, cache_line;
209 uint16_t cmd;
210
211 cmd = pci_read_config(self, PCIR_COMMAND, 2);
212 cmd |= PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
213#if 1 /* for broken hardware */
214 cmd &= ~PCIM_CMD_MWRICEN;
214 cmd &= ~PCIM_CMD_MWRICEN;
215#endif
216 pci_write_config(self, PCIR_COMMAND, cmd, 2);
217
218 /*
219 * Some Sun PCIO-2 FireWire controllers have their intpin register
220 * bogusly set to 0, although it should be 3. Correct that.
221 */
222 if (pci_get_devid(self) == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW) &&
223 pci_get_intpin(self) == 0)
224 pci_set_intpin(self, 3);
225
226 latency = olatency = pci_read_config(self, PCIR_LATTIMER, 1);
227#define DEF_LATENCY 0x20
228 if (olatency < DEF_LATENCY) {
229 latency = DEF_LATENCY;
230 pci_write_config(self, PCIR_LATTIMER, latency, 1);
231 }
232
233 cache_line = ocache_line = pci_read_config(self, PCIR_CACHELNSZ, 1);
234#define DEF_CACHE_LINE 8
235 if (ocache_line < DEF_CACHE_LINE) {
236 cache_line = DEF_CACHE_LINE;
237 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1);
238 }
239
240 if (firewire_debug) {
241 device_printf(self, "latency timer %d -> %d.\n",
242 olatency, latency);
243 device_printf(self, "cache size %d -> %d.\n",
244 ocache_line, cache_line);
245 }
246
247 return 0;
248}
249
250static int
251fwohci_pci_attach(device_t self)
252{
253 fwohci_softc_t *sc = device_get_softc(self);
254 int err;
255 int rid;
256
257#if 0
258 if (bootverbose)
259 firewire_debug = bootverbose;
260#endif
261
262 mtx_init(FW_GMTX(&sc->fc), "firewire", NULL, MTX_DEF);
263 fwohci_pci_init(self);
264
265 rid = PCI_CBMEM;
266 sc->bsr = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
267 if (!sc->bsr) {
268 device_printf(self, "Could not map memory\n");
269 return ENXIO;
270 }
271
272 sc->bst = rman_get_bustag(sc->bsr);
273 sc->bsh = rman_get_bushandle(sc->bsr);
274
275 rid = 0;
276 sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
277 RF_SHAREABLE | RF_ACTIVE);
278 if (sc->irq_res == NULL) {
279 device_printf(self, "Could not allocate irq\n");
280 fwohci_pci_detach(self);
281 return ENXIO;
282 }
283
284 err = bus_setup_intr(self, sc->irq_res,
285 INTR_TYPE_NET | INTR_MPSAFE,
286 NULL, (driver_intr_t *) fwohci_intr,
287 sc, &sc->ih);
288
289 if (err) {
290 device_printf(self, "Could not setup irq, %d\n", err);
291 fwohci_pci_detach(self);
292 return ENXIO;
293 }
294
295 err = bus_dma_tag_create(
296 /*parent*/bus_get_dma_tag(self),
297 /*alignment*/1,
298 /*boundary*/0,
299#if BOUNCE_BUFFER_TEST
300 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
301#else
302 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
303#endif
304 /*highaddr*/BUS_SPACE_MAXADDR,
305 /*filter*/NULL, /*filterarg*/NULL,
306 /*maxsize*/0x100000,
307 /*nsegments*/0x20,
308 /*maxsegsz*/0x8000,
309 /*flags*/BUS_DMA_ALLOCNOW,
310 /*lockfunc*/busdma_lock_mutex,
311 /*lockarg*/FW_GMTX(&sc->fc),
312 &sc->fc.dmat);
313 if (err != 0) {
215#endif
216 pci_write_config(self, PCIR_COMMAND, cmd, 2);
217
218 /*
219 * Some Sun PCIO-2 FireWire controllers have their intpin register
220 * bogusly set to 0, although it should be 3. Correct that.
221 */
222 if (pci_get_devid(self) == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW) &&
223 pci_get_intpin(self) == 0)
224 pci_set_intpin(self, 3);
225
226 latency = olatency = pci_read_config(self, PCIR_LATTIMER, 1);
227#define DEF_LATENCY 0x20
228 if (olatency < DEF_LATENCY) {
229 latency = DEF_LATENCY;
230 pci_write_config(self, PCIR_LATTIMER, latency, 1);
231 }
232
233 cache_line = ocache_line = pci_read_config(self, PCIR_CACHELNSZ, 1);
234#define DEF_CACHE_LINE 8
235 if (ocache_line < DEF_CACHE_LINE) {
236 cache_line = DEF_CACHE_LINE;
237 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1);
238 }
239
240 if (firewire_debug) {
241 device_printf(self, "latency timer %d -> %d.\n",
242 olatency, latency);
243 device_printf(self, "cache size %d -> %d.\n",
244 ocache_line, cache_line);
245 }
246
247 return 0;
248}
249
250static int
251fwohci_pci_attach(device_t self)
252{
253 fwohci_softc_t *sc = device_get_softc(self);
254 int err;
255 int rid;
256
257#if 0
258 if (bootverbose)
259 firewire_debug = bootverbose;
260#endif
261
262 mtx_init(FW_GMTX(&sc->fc), "firewire", NULL, MTX_DEF);
263 fwohci_pci_init(self);
264
265 rid = PCI_CBMEM;
266 sc->bsr = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
267 if (!sc->bsr) {
268 device_printf(self, "Could not map memory\n");
269 return ENXIO;
270 }
271
272 sc->bst = rman_get_bustag(sc->bsr);
273 sc->bsh = rman_get_bushandle(sc->bsr);
274
275 rid = 0;
276 sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
277 RF_SHAREABLE | RF_ACTIVE);
278 if (sc->irq_res == NULL) {
279 device_printf(self, "Could not allocate irq\n");
280 fwohci_pci_detach(self);
281 return ENXIO;
282 }
283
284 err = bus_setup_intr(self, sc->irq_res,
285 INTR_TYPE_NET | INTR_MPSAFE,
286 NULL, (driver_intr_t *) fwohci_intr,
287 sc, &sc->ih);
288
289 if (err) {
290 device_printf(self, "Could not setup irq, %d\n", err);
291 fwohci_pci_detach(self);
292 return ENXIO;
293 }
294
295 err = bus_dma_tag_create(
296 /*parent*/bus_get_dma_tag(self),
297 /*alignment*/1,
298 /*boundary*/0,
299#if BOUNCE_BUFFER_TEST
300 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
301#else
302 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
303#endif
304 /*highaddr*/BUS_SPACE_MAXADDR,
305 /*filter*/NULL, /*filterarg*/NULL,
306 /*maxsize*/0x100000,
307 /*nsegments*/0x20,
308 /*maxsegsz*/0x8000,
309 /*flags*/BUS_DMA_ALLOCNOW,
310 /*lockfunc*/busdma_lock_mutex,
311 /*lockarg*/FW_GMTX(&sc->fc),
312 &sc->fc.dmat);
313 if (err != 0) {
314 printf("fwohci_pci_attach: Could not allocate DMA tag "
315 "- error %d\n", err);
316 return (ENOMEM);
314 device_printf(self, "fwohci_pci_attach: Could not allocate DMA "
315 "tag - error %d\n", err);
316 fwohci_pci_detach(self);
317 return (ENOMEM);
317 }
318
319 err = fwohci_init(sc, self);
320
318 }
319
320 err = fwohci_init(sc, self);
321
321 if (err) {
322 if (err != 0) {
322 device_printf(self, "fwohci_init failed with err=%d\n", err);
323 fwohci_pci_detach(self);
324 return EIO;
325 }
326
327 /* probe and attach a child device(firewire) */
328 bus_generic_probe(self);
329 bus_generic_attach(self);
330
331 return 0;
332}
333
334static int
335fwohci_pci_detach(device_t self)
336{
337 fwohci_softc_t *sc = device_get_softc(self);
338 int s;
339
323 device_printf(self, "fwohci_init failed with err=%d\n", err);
324 fwohci_pci_detach(self);
325 return EIO;
326 }
327
328 /* probe and attach a child device(firewire) */
329 bus_generic_probe(self);
330 bus_generic_attach(self);
331
332 return 0;
333}
334
335static int
336fwohci_pci_detach(device_t self)
337{
338 fwohci_softc_t *sc = device_get_softc(self);
339 int s;
340
340
341 s = splfw();
342
343 if (sc->bsr)
344 fwohci_stop(sc, self);
345
346 bus_generic_detach(self);
341 s = splfw();
342
343 if (sc->bsr)
344 fwohci_stop(sc, self);
345
346 bus_generic_detach(self);
347
347 if (sc->fc.bdev) {
348 device_delete_child(self, sc->fc.bdev);
349 sc->fc.bdev = NULL;
350 }
351
352 /* disable interrupts that might have been switched on */
353 if (sc->bst && sc->bsh)
354 bus_space_write_4(sc->bst, sc->bsh,
355 FWOHCI_INTMASKCLR, OHCI_INT_EN);
356
357 if (sc->irq_res) {
358 int err;
359 if (sc->ih) {
360 err = bus_teardown_intr(self, sc->irq_res, sc->ih);
361 if (err)
362 device_printf(self,
363 "Could not tear down irq, %d\n", err);
364 sc->ih = NULL;
365 }
366 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
367 sc->irq_res = NULL;
368 }
369
370 if (sc->bsr) {
348 if (sc->fc.bdev) {
349 device_delete_child(self, sc->fc.bdev);
350 sc->fc.bdev = NULL;
351 }
352
353 /* disable interrupts that might have been switched on */
354 if (sc->bst && sc->bsh)
355 bus_space_write_4(sc->bst, sc->bsh,
356 FWOHCI_INTMASKCLR, OHCI_INT_EN);
357
358 if (sc->irq_res) {
359 int err;
360 if (sc->ih) {
361 err = bus_teardown_intr(self, sc->irq_res, sc->ih);
362 if (err)
363 device_printf(self,
364 "Could not tear down irq, %d\n", err);
365 sc->ih = NULL;
366 }
367 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
368 sc->irq_res = NULL;
369 }
370
371 if (sc->bsr) {
371 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr);
372 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, sc->bsr);
372 sc->bsr = NULL;
373 sc->bst = 0;
374 sc->bsh = 0;
375 }
376
377 fwohci_detach(sc, self);
378 mtx_destroy(FW_GMTX(&sc->fc));
379 splx(s);
380
381 return 0;
382}
383
384static int
385fwohci_pci_suspend(device_t dev)
386{
387 fwohci_softc_t *sc = device_get_softc(dev);
388 int err;
389
390 device_printf(dev, "fwohci_pci_suspend\n");
391 err = bus_generic_suspend(dev);
392 if (err)
393 return err;
394 fwohci_stop(sc, dev);
395 return 0;
396}
397
398static int
399fwohci_pci_resume(device_t dev)
400{
401 fwohci_softc_t *sc = device_get_softc(dev);
402
403 fwohci_pci_init(dev);
404 fwohci_resume(sc, dev);
405 return 0;
406}
407
408static int
409fwohci_pci_shutdown(device_t dev)
410{
411 fwohci_softc_t *sc = device_get_softc(dev);
412
413 bus_generic_shutdown(dev);
414 fwohci_stop(sc, dev);
415 return 0;
416}
417
418static device_t
419fwohci_pci_add_child(device_t dev, u_int order, const char *name, int unit)
420{
421 struct fwohci_softc *sc;
422 device_t child;
423 int err = 0;
424
425 sc = (struct fwohci_softc *)device_get_softc(dev);
426 child = device_add_child(dev, name, unit);
427 if (child == NULL)
428 return (child);
429
430 sc->fc.bdev = child;
373 sc->bsr = NULL;
374 sc->bst = 0;
375 sc->bsh = 0;
376 }
377
378 fwohci_detach(sc, self);
379 mtx_destroy(FW_GMTX(&sc->fc));
380 splx(s);
381
382 return 0;
383}
384
385static int
386fwohci_pci_suspend(device_t dev)
387{
388 fwohci_softc_t *sc = device_get_softc(dev);
389 int err;
390
391 device_printf(dev, "fwohci_pci_suspend\n");
392 err = bus_generic_suspend(dev);
393 if (err)
394 return err;
395 fwohci_stop(sc, dev);
396 return 0;
397}
398
399static int
400fwohci_pci_resume(device_t dev)
401{
402 fwohci_softc_t *sc = device_get_softc(dev);
403
404 fwohci_pci_init(dev);
405 fwohci_resume(sc, dev);
406 return 0;
407}
408
409static int
410fwohci_pci_shutdown(device_t dev)
411{
412 fwohci_softc_t *sc = device_get_softc(dev);
413
414 bus_generic_shutdown(dev);
415 fwohci_stop(sc, dev);
416 return 0;
417}
418
419static device_t
420fwohci_pci_add_child(device_t dev, u_int order, const char *name, int unit)
421{
422 struct fwohci_softc *sc;
423 device_t child;
424 int err = 0;
425
426 sc = (struct fwohci_softc *)device_get_softc(dev);
427 child = device_add_child(dev, name, unit);
428 if (child == NULL)
429 return (child);
430
431 sc->fc.bdev = child;
431 device_set_ivars(child, (void *)&sc->fc);
432 device_set_ivars(child, &sc->fc);
432
433 err = device_probe_and_attach(child);
434 if (err) {
435 device_printf(dev, "probe_and_attach failed with err=%d\n",
436 err);
437 fwohci_pci_detach(dev);
438 device_delete_child(dev, child);
439 return NULL;
440 }
441
442 /* XXX
443 * Clear the bus reset event flag to start transactions even when
444 * interrupt is disabled during the boot process.
445 */
446 if (cold) {
447 int s;
448 DELAY(250); /* 2 cycles */
449 s = splfw();
433
434 err = device_probe_and_attach(child);
435 if (err) {
436 device_printf(dev, "probe_and_attach failed with err=%d\n",
437 err);
438 fwohci_pci_detach(dev);
439 device_delete_child(dev, child);
440 return NULL;
441 }
442
443 /* XXX
444 * Clear the bus reset event flag to start transactions even when
445 * interrupt is disabled during the boot process.
446 */
447 if (cold) {
448 int s;
449 DELAY(250); /* 2 cycles */
450 s = splfw();
450 fwohci_poll((void *)sc, 0, -1);
451 fwohci_poll(&sc->fc, 0, -1);
451 splx(s);
452 }
453
454 return (child);
455}
456
457static device_method_t fwohci_methods[] = {
458 /* Device interface */
459 DEVMETHOD(device_probe, fwohci_pci_probe),
460 DEVMETHOD(device_attach, fwohci_pci_attach),
461 DEVMETHOD(device_detach, fwohci_pci_detach),
462 DEVMETHOD(device_suspend, fwohci_pci_suspend),
463 DEVMETHOD(device_resume, fwohci_pci_resume),
464 DEVMETHOD(device_shutdown, fwohci_pci_shutdown),
465
466 /* Bus interface */
467 DEVMETHOD(bus_add_child, fwohci_pci_add_child),
468
469 DEVMETHOD_END
470};
471
472static driver_t fwohci_driver = {
473 "fwohci",
474 fwohci_methods,
475 sizeof(fwohci_softc_t),
476};
477
478static devclass_t fwohci_devclass;
479
480#ifdef FWOHCI_MODULE
481MODULE_DEPEND(fwohci, firewire, 1, 1, 1);
482#endif
483DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0);
452 splx(s);
453 }
454
455 return (child);
456}
457
458static device_method_t fwohci_methods[] = {
459 /* Device interface */
460 DEVMETHOD(device_probe, fwohci_pci_probe),
461 DEVMETHOD(device_attach, fwohci_pci_attach),
462 DEVMETHOD(device_detach, fwohci_pci_detach),
463 DEVMETHOD(device_suspend, fwohci_pci_suspend),
464 DEVMETHOD(device_resume, fwohci_pci_resume),
465 DEVMETHOD(device_shutdown, fwohci_pci_shutdown),
466
467 /* Bus interface */
468 DEVMETHOD(bus_add_child, fwohci_pci_add_child),
469
470 DEVMETHOD_END
471};
472
473static driver_t fwohci_driver = {
474 "fwohci",
475 fwohci_methods,
476 sizeof(fwohci_softc_t),
477};
478
479static devclass_t fwohci_devclass;
480
481#ifdef FWOHCI_MODULE
482MODULE_DEPEND(fwohci, firewire, 1, 1, 1);
483#endif
484DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0);