2 * Device probe and attach routines for the following
3 * Advanced Systems Inc. SCSI controllers:
5 * Single Channel Products:
6 * ABP742 - Bus-Master EISA (240 CDB)
8 * Dual Channel Products:
9 * ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel)
11 * Copyright (c) 1997 Justin Gibbs.
12 * All rights reserved.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions, and the following disclaimer,
19 * without modification, immediately at the beginning of the file.
20 * 2. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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
35 * $FreeBSD: src/sys/dev/advansys/adv_eisa.c,v 1.9.2.1 2000/04/14 13:32:44 nyan Exp $
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/module.h>
44 #include <machine/bus_pio.h>
45 #include <machine/bus.h>
46 #include <machine/resource.h>
49 #include <dev/eisa/eisaconf.h>
51 #include <dev/advansys/advansys.h>
53 #define EISA_DEVICE_ID_ADVANSYS_740 0x04507400
54 #define EISA_DEVICE_ID_ADVANSYS_750 0x04507500
56 #define ADV_EISA_SLOT_OFFSET 0xc00
57 #define ADV_EISA_OFFSET_CHAN1 0x30
58 #define ADV_EISA_OFFSET_CHAN2 0x50
59 #define ADV_EISA_IOSIZE 0x100
61 #define ADV_EISA_ROM_BIOS_ADDR_REG 0x86
62 #define ADV_EISA_IRQ_BURST_LEN_REG 0x87
63 #define ADV_EISA_IRQ_MASK 0x07
64 #define ADV_EISA_IRQ_10 0x00
65 #define ADV_EISA_IRQ_11 0x01
66 #define ADV_EISA_IRQ_12 0x02
67 #define ADV_EISA_IRQ_14 0x04
68 #define ADV_EISA_IRQ_15 0x05
70 #define ADV_EISA_MAX_DMA_ADDR (0x07FFFFFFL)
71 #define ADV_EISA_MAX_DMA_COUNT (0x07FFFFFFL)
74 * The overrun buffer shared amongst all EISA adapters.
76 static u_int8_t* overrun_buf;
77 static bus_dma_tag_t overrun_dmat;
78 static bus_dmamap_t overrun_dmamap;
79 static bus_addr_t overrun_physbase;
82 adv_eisa_match(eisa_id_t type)
84 switch (type & ~0xF) {
85 case EISA_DEVICE_ID_ADVANSYS_740:
86 return ("AdvanSys ABP-740/742 SCSI adapter");
88 case EISA_DEVICE_ID_ADVANSYS_750:
89 return ("AdvanSys ABP-750/752 SCSI adapter");
98 adv_eisa_probe(device_t dev)
104 desc = adv_eisa_match(eisa_get_id(dev));
107 device_set_desc(dev, desc);
109 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + ADV_EISA_SLOT_OFFSET;
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;
122 printf("adv at slot %d: illegal "
123 "irq setting %d\n", eisa_get_slot(dev),
127 eisa_add_intr(dev, irq + 10, EISA_TRIGGER_LEVEL);
133 adv_eisa_attach(device_t dev)
135 struct adv_softc *adv;
136 struct adv_softc *adv_b;
138 struct resource *irq;
145 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
146 0, ~0, 1, RF_ACTIVE);
148 device_printf(dev, "No I/O space?!\n");
153 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
154 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
156 device_printf(dev, "No irq?!\n");
157 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
162 switch (eisa_get_id(dev) & ~0xF) {
163 case EISA_DEVICE_ID_ADVANSYS_750:
164 adv_b = adv_alloc(dev, rman_get_bustag(io),
165 rman_get_bushandle(io) + ADV_EISA_OFFSET_CHAN2);
170 * Allocate a parent dmatag for all tags created
171 * by the MI portions of the advansys driver
173 /* XXX Should be a child of the PCI bus dma tag */
174 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
176 /*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
177 /*highaddr*/BUS_SPACE_MAXADDR,
178 /*filter*/NULL, /*filterarg*/NULL,
179 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
180 /*nsegments*/BUS_SPACE_UNRESTRICTED,
181 /*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
183 &adv_b->parent_dmat);
186 printf("%s: Could not allocate DMA tag - error %d\n",
187 adv_name(adv_b), error);
195 case EISA_DEVICE_ID_ADVANSYS_740:
196 adv = adv_alloc(dev, rman_get_bustag(io),
197 rman_get_bushandle(io) + ADV_EISA_OFFSET_CHAN1);
205 * Allocate a parent dmatag for all tags created
206 * by the MI portions of the advansys driver
208 /* XXX Should be a child of the PCI bus dma tag */
209 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
211 /*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
212 /*highaddr*/BUS_SPACE_MAXADDR,
213 /*filter*/NULL, /*filterarg*/NULL,
214 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
215 /*nsegments*/BUS_SPACE_UNRESTRICTED,
216 /*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
221 printf("%s: Could not allocate DMA tag - error %d\n",
222 adv_name(adv), error);
230 printf("adveisaattach: Unknown device type!\n");
235 if (overrun_buf == NULL) {
236 /* Need to allocate our overrun buffer */
237 if (bus_dma_tag_create(adv->parent_dmat,
240 ADV_EISA_MAX_DMA_ADDR,
246 BUS_SPACE_MAXSIZE_32BIT,
248 &overrun_dmat) != 0) {
252 if (bus_dmamem_alloc(overrun_dmat,
253 (void **)&overrun_buf,
255 &overrun_dmamap) != 0) {
256 bus_dma_tag_destroy(overrun_dmat);
260 /* And permanently map it in */
261 bus_dmamap_load(overrun_dmat, overrun_dmamap,
262 overrun_buf, ADV_OVERRUN_BSIZE,
263 adv_map, &overrun_physbase,
268 * Now that we know we own the resources we need, do the
269 * card initialization.
275 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
276 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
278 adv->chip_version = EISA_REVISION_ID(eisa_get_id(dev))
279 + ADV_CHIP_MIN_VER_EISA - 1;
281 if (adv_init(adv) != 0) {
288 adv->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
289 adv->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
295 ADV_OUTB(adv_b, ADV_CHIP_CTRL, ADV_CC_HALT);
296 ADV_OUTW(adv_b, ADV_CHIP_STATUS, 0);
298 adv_b->chip_version = EISA_REVISION_ID(eisa_get_id(dev))
299 + ADV_CHIP_MIN_VER_EISA - 1;
301 if (adv_init(adv_b) != 0) {
304 adv_b->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
305 adv_b->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
310 * Enable our interrupt handler.
312 bus_setup_intr(dev, irq, INTR_TYPE_CAM, adv_intr, adv, &ih);
314 /* Attach sub-devices - always succeeds */
322 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
323 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
327 static device_method_t adv_eisa_methods[] = {
328 /* Device interface */
329 DEVMETHOD(device_probe, adv_eisa_probe),
330 DEVMETHOD(device_attach, adv_eisa_attach),
334 static driver_t adv_eisa_driver = {
335 "adv", adv_eisa_methods, sizeof(struct adv_softc)
338 static devclass_t adv_eisa_devclass;
339 DRIVER_MODULE(adv, eisa, adv_eisa_driver, adv_eisa_devclass, 0, 0);