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adv_eisa.c (56871) adv_eisa.c (59082)
1/*
2 * Device probe and attach routines for the following
3 * Advanced Systems Inc. SCSI controllers:
4 *
5 * Single Channel Products:
6 * ABP742 - Bus-Master EISA (240 CDB)
7 *
8 * Dual Channel Products:

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27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
1/*
2 * Device probe and attach routines for the following
3 * Advanced Systems Inc. SCSI controllers:
4 *
5 * Single Channel Products:
6 * ABP742 - Bus-Master EISA (240 CDB)
7 *
8 * Dual Channel Products:

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27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $FreeBSD: head/sys/dev/advansys/adv_eisa.c 56871 2000-01-29 18:21:21Z peter $
35 * $FreeBSD: head/sys/dev/advansys/adv_eisa.c 59082 2000-04-07 11:32:42Z nyan $
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/module.h>
42#include <sys/bus.h>
43

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73/*
74 * The overrun buffer shared amongst all EISA adapters.
75 */
76static u_int8_t* overrun_buf;
77static bus_dma_tag_t overrun_dmat;
78static bus_dmamap_t overrun_dmamap;
79static bus_addr_t overrun_physbase;
80
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/module.h>
42#include <sys/bus.h>
43

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73/*
74 * The overrun buffer shared amongst all EISA adapters.
75 */
76static u_int8_t* overrun_buf;
77static bus_dma_tag_t overrun_dmat;
78static bus_dmamap_t overrun_dmamap;
79static bus_addr_t overrun_physbase;
80
81static const char *adveisamatch(eisa_id_t type);
82
83static const char*
81static const char*
84adveisamatch(eisa_id_t type)
82adv_eisa_match(eisa_id_t type)
85{
86 switch (type & ~0xF) {
87 case EISA_DEVICE_ID_ADVANSYS_740:
88 return ("AdvanSys ABP-740/742 SCSI adapter");
89 break;
90 case EISA_DEVICE_ID_ADVANSYS_750:
91 return ("AdvanSys ABP-750/752 SCSI adapter");
92 break;
93 default:
94 break;
95 }
96 return (NULL);
97}
98
99static int
83{
84 switch (type & ~0xF) {
85 case EISA_DEVICE_ID_ADVANSYS_740:
86 return ("AdvanSys ABP-740/742 SCSI adapter");
87 break;
88 case EISA_DEVICE_ID_ADVANSYS_750:
89 return ("AdvanSys ABP-750/752 SCSI adapter");
90 break;
91 default:
92 break;
93 }
94 return (NULL);
95}
96
97static int
100adveisaprobe(device_t dev)
98adv_eisa_probe(device_t dev)
101{
102 const char *desc;
103 u_int32_t iobase;
104 u_int8_t irq;
105
99{
100 const char *desc;
101 u_int32_t iobase;
102 u_int8_t irq;
103
106 desc = adveisamatch(eisa_get_id(dev));
104 desc = adv_eisa_match(eisa_get_id(dev));
107 if (!desc)
108 return (ENXIO);
109 device_set_desc(dev, desc);
110
105 if (!desc)
106 return (ENXIO);
107 device_set_desc(dev, desc);
108
111 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE)
112 + ADV_EISA_SLOT_OFFSET;
109 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + ADV_EISA_SLOT_OFFSET;
113
114 eisa_add_iospace(dev, iobase, ADV_EISA_IOSIZE, RESVADDR_NONE);
115 irq = inb(iobase + ADV_EISA_IRQ_BURST_LEN_REG);
116 irq &= ADV_EISA_IRQ_MASK;
117 switch (irq) {
118 case 0:
119 case 1:
120 case 2:

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128 return ENXIO;
129 }
130 eisa_add_intr(dev, irq + 10, EISA_TRIGGER_LEVEL);
131
132 return 0;
133}
134
135static int
110
111 eisa_add_iospace(dev, iobase, ADV_EISA_IOSIZE, RESVADDR_NONE);
112 irq = inb(iobase + ADV_EISA_IRQ_BURST_LEN_REG);
113 irq &= ADV_EISA_IRQ_MASK;
114 switch (irq) {
115 case 0:
116 case 1:
117 case 2:

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125 return ENXIO;
126 }
127 eisa_add_intr(dev, irq + 10, EISA_TRIGGER_LEVEL);
128
129 return 0;
130}
131
132static int
136adveisaattach(device_t dev)
133adv_eisa_attach(device_t dev)
137{
138 struct adv_softc *adv;
139 struct adv_softc *adv_b;
140 struct resource *io;
141 struct resource *irq;
134{
135 struct adv_softc *adv;
136 struct adv_softc *adv_b;
137 struct resource *io;
138 struct resource *irq;
142 int unit = device_get_unit(dev);
143 int rid, error;
144 void *ih;
145
146 adv_b = NULL;
147
148 rid = 0;
149 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
150 0, ~0, 1, RF_ACTIVE);

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160 device_printf(dev, "No irq?!\n");
161 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
162 return ENOMEM;
163
164 }
165
166 switch (eisa_get_id(dev) & ~0xF) {
167 case EISA_DEVICE_ID_ADVANSYS_750:
139 int rid, error;
140 void *ih;
141
142 adv_b = NULL;
143
144 rid = 0;
145 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
146 0, ~0, 1, RF_ACTIVE);

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156 device_printf(dev, "No irq?!\n");
157 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
158 return ENOMEM;
159
160 }
161
162 switch (eisa_get_id(dev) & ~0xF) {
163 case EISA_DEVICE_ID_ADVANSYS_750:
168 adv_b = adv_alloc(unit, rman_get_bustag(io),
164 adv_b = adv_alloc(dev, rman_get_bustag(io),
169 rman_get_bushandle(io) + ADV_EISA_OFFSET_CHAN2);
170 if (adv_b == NULL)
171 goto bad;
172
173 /*
174 * Allocate a parent dmatag for all tags created
175 * by the MI portions of the advansys driver
176 */

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192 adv_free(adv_b);
193 goto bad;
194 }
195
196 adv_b->init_level++;
197
198 /* FALLTHROUGH */
199 case EISA_DEVICE_ID_ADVANSYS_740:
165 rman_get_bushandle(io) + ADV_EISA_OFFSET_CHAN2);
166 if (adv_b == NULL)
167 goto bad;
168
169 /*
170 * Allocate a parent dmatag for all tags created
171 * by the MI portions of the advansys driver
172 */

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188 adv_free(adv_b);
189 goto bad;
190 }
191
192 adv_b->init_level++;
193
194 /* FALLTHROUGH */
195 case EISA_DEVICE_ID_ADVANSYS_740:
200 adv = adv_alloc(unit, rman_get_bustag(io),
196 adv = adv_alloc(dev, rman_get_bustag(io),
201 rman_get_bushandle(io) + ADV_EISA_OFFSET_CHAN1);
202 if (adv == NULL) {
203 if (adv_b != NULL)
204 adv_free(adv_b);
205 goto bad;
206 }
207
208 /*

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325 bad:
326 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
327 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
328 return -1;
329}
330
331static device_method_t adv_eisa_methods[] = {
332 /* Device interface */
197 rman_get_bushandle(io) + ADV_EISA_OFFSET_CHAN1);
198 if (adv == NULL) {
199 if (adv_b != NULL)
200 adv_free(adv_b);
201 goto bad;
202 }
203
204 /*

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321 bad:
322 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
323 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
324 return -1;
325}
326
327static device_method_t adv_eisa_methods[] = {
328 /* Device interface */
333 DEVMETHOD(device_probe, adveisaprobe),
334 DEVMETHOD(device_attach, adveisaattach),
335
329 DEVMETHOD(device_probe, adv_eisa_probe),
330 DEVMETHOD(device_attach, adv_eisa_attach),
336 { 0, 0 }
337};
338
339static driver_t adv_eisa_driver = {
331 { 0, 0 }
332};
333
334static driver_t adv_eisa_driver = {
340 "adv",
341 adv_eisa_methods,
342 1, /* unused */
335 "adv", adv_eisa_methods, sizeof(struct adv_softc)
343};
344
336};
337
345static devclass_t adv_devclass;
346
347DRIVER_MODULE(adv, eisa, adv_eisa_driver, adv_devclass, 0, 0);
338static devclass_t adv_eisa_devclass;
339DRIVER_MODULE(adv, eisa, adv_eisa_driver, adv_eisa_devclass, 0, 0);