2 * Device probe and attach routines for the following
3 * Advanced Systems Inc. SCSI controllers:
5 * Connectivity Products:
6 * ABP510/5150 - Bus-Master ISA (240 CDB) *
7 * ABP5140 - Bus-Master ISA PnP (16 CDB) * **
8 * ABP5142 - Bus-Master ISA PnP with floppy (16 CDB) ***
10 * Single Channel Products:
11 * ABP542 - Bus-Master ISA with floppy (240 CDB)
12 * ABP842 - Bus-Master VL (240 CDB)
14 * Dual Channel Products:
15 * ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel)
17 * * This board has been shipped by HP with the 4020i CD-R drive.
18 * The board has no BIOS so it cannot control a boot device, but
19 * it can control any secondary SCSI device.
20 * ** This board has been sold by SIIG as the i540 SpeedMaster.
21 * *** This board has been sold by SIIG as the i542 SpeedMaster.
23 * Copyright (c) 1996, 1997 Justin T. Gibbs.
24 * All rights reserved.
26 * Redistribution and use in source and binary forms, with or without
27 * modification, are permitted provided that the following conditions
29 * 1. Redistributions of source code must retain the above copyright
30 * notice, this list of conditions, and the following disclaimer,
31 * without modification, immediately at the beginning of the file.
32 * 2. The name of the author may not be used to endorse or promote products
33 * derived from this software without specific prior written permission.
35 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
36 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
39 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
40 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
41 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
43 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
44 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 * $FreeBSD: src/sys/dev/advansys/adv_isa.c,v 1.14.2.5 2002/01/06 21:21:42 dwmalone Exp $
48 * $DragonFly: src/sys/dev/disk/advansys/adv_isa.c,v 1.4 2005/05/24 20:58:59 dillon Exp $
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/kernel.h>
55 #include <machine/bus_pio.h>
56 #include <machine/bus.h>
57 #include <machine/resource.h>
61 #include <bus/isa/isavar.h>
65 #include <bus/cam/scsi/scsi_all.h>
67 #define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
68 #define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
70 #define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
71 #define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
74 * The overrun buffer shared amongst all ISA/VL 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;
81 /* Possible port addresses an ISA or VL adapter can live at */
82 static u_int16_t adv_isa_ioports[] =
85 0x110, /* First selection in BIOS setup */
87 0x130, /* Second selection in BIOS setup */
89 0x150, /* Third selection in BIOS setup */
90 0x190, /* Fourth selection in BIOS setup */
91 0x210, /* Fifth selection in BIOS setup */
92 0x230, /* Sixth selection in BIOS setup */
93 0x250, /* Seventh selection in BIOS setup */
94 0x330 /* Eighth and default selection in BIOS setup */
97 #define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
99 static int adv_isa_probe(device_t dev);
100 static int adv_isa_attach(device_t dev);
101 static void adv_set_isapnp_wait_for_key(void);
102 static int adv_get_isa_dma_channel(struct adv_softc *adv);
103 static int adv_set_isa_dma_settings(struct adv_softc *adv);
106 adv_isa_probe(device_t dev)
110 u_long iobase, iocount, irq;
114 struct resource *iores, *irqres;
117 * Default to scanning all possible device locations.
120 max_port_index = MAX_ISA_IOPORT_INDEX;
122 if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, &iocount) == 0) {
124 for (;port_index <= max_port_index; port_index++)
125 if (iobase <= adv_isa_ioports[port_index])
127 if ((port_index > max_port_index)
128 || (iobase != adv_isa_ioports[port_index])) {
130 printf("adv%d: Invalid baseport of 0x%lx specified. "
131 "Nearest valid baseport is 0x%x. Failing "
132 "probe.\n", device_get_unit(dev), iobase,
133 (port_index <= max_port_index) ?
134 adv_isa_ioports[port_index] :
135 adv_isa_ioports[max_port_index]);
138 max_port_index = port_index;
141 /* Perform the actual probing */
142 adv_set_isapnp_wait_for_key();
143 for (;port_index <= max_port_index; port_index++) {
144 u_int16_t port_addr = adv_isa_ioports[port_index];
149 struct adv_softc *adv;
152 /* Already been attached */
155 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1))
158 /* XXX what is the real portsize? */
159 iores = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
164 if (adv_find_signature(rman_get_bustag(iores),
165 rman_get_bushandle(iores)) == 0) {
166 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
171 * Got one. Now allocate our softc
172 * and see if we can initialize the card.
174 adv = adv_alloc(dev, rman_get_bustag(iores),
175 rman_get_bushandle(iores));
177 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
184 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
185 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
187 * Determine the chip version.
189 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
190 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
191 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
193 maxsegsz = ADV_VL_MAX_DMA_COUNT;
194 maxsize = BUS_SPACE_MAXSIZE_32BIT;
195 lowaddr = ADV_VL_MAX_DMA_ADDR;
196 bus_delete_resource(dev, SYS_RES_DRQ, 0);
197 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
198 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
199 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
200 adv->type = ADV_ISAPNP;
201 ADV_OUTB(adv, ADV_REG_IFC,
202 ADV_IFC_INIT_DEFAULT);
206 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
207 maxsize = BUS_SPACE_MAXSIZE_24BIT;
208 lowaddr = ADV_ISA_MAX_DMA_ADDR;
209 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
210 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
211 bus_set_resource(dev, SYS_RES_DRQ, 0,
212 adv->isa_dma_channel, 1);
214 panic("advisaprobe: Unknown card revision\n");
218 * Allocate a parent dmatag for all tags created
219 * by the MI portions of the advansys driver
221 /* XXX Should be a child of the ISA bus dma tag */
222 error = bus_dma_tag_create(/*parent*/NULL,
226 /*highaddr*/BUS_SPACE_MAXADDR,
230 /*nsegs*/BUS_SPACE_UNRESTRICTED,
236 printf("%s: Could not allocate DMA tag - error %d\n",
237 adv_name(adv), error);
239 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
243 adv->init_level += 2;
245 if (overrun_buf == NULL) {
246 /* Need to allocate our overrun buffer */
247 if (bus_dma_tag_create(adv->parent_dmat,
250 ADV_ISA_MAX_DMA_ADDR,
256 BUS_SPACE_MAXSIZE_32BIT,
258 &overrun_dmat) != 0) {
260 bus_release_resource(dev, SYS_RES_IOPORT, 0,
264 if (bus_dmamem_alloc(overrun_dmat,
265 (void **)&overrun_buf,
267 &overrun_dmamap) != 0) {
268 bus_dma_tag_destroy(overrun_dmat);
270 bus_release_resource(dev, SYS_RES_IOPORT, 0,
274 /* And permanently map it in */
275 bus_dmamap_load(overrun_dmat, overrun_dmamap,
276 overrun_buf, ADV_OVERRUN_BSIZE,
277 adv_map, &overrun_physbase,
281 adv->overrun_physbase = overrun_physbase;
283 if (adv_init(adv) != 0) {
284 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
285 bus_dmamem_free(overrun_dmat, overrun_buf,
287 bus_dma_tag_destroy(overrun_dmat);
289 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
295 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
297 |= ADV_BUG_FIX_ASYN_USE_SYN;
298 adv->fix_asyn_xfer = ~0;
302 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
303 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
304 adv_set_isa_dma_settings(adv);
308 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
309 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
312 panic("advisaprobe: Invalid card type\n");
315 /* Determine our IRQ */
316 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL))
317 bus_set_resource(dev, SYS_RES_IRQ, 0,
318 adv_get_chip_irq(adv), 1);
320 adv_set_chip_irq(adv, irq);
322 irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
324 if (irqres == NULL ||
325 bus_setup_intr(dev, irqres, INTR_TYPE_CAM, adv_intr, adv,
327 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
328 bus_dmamem_free(overrun_dmat, overrun_buf,
330 bus_dma_tag_destroy(overrun_dmat);
332 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
337 adv_isa_ioports[port_index] = 0;
342 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount);
344 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
350 adv_isa_attach(device_t dev)
352 struct adv_softc *adv = device_get_softc(dev);
354 return (adv_attach(adv));
358 adv_get_isa_dma_channel(struct adv_softc *adv)
362 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
365 else if (channel == 0x00)
367 return (channel + 4);
371 adv_set_isa_dma_settings(struct adv_softc *adv)
376 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
377 if (adv->isa_dma_channel == 7)
380 value = adv->isa_dma_channel - 4;
381 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
382 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
384 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
386 adv->isa_dma_speed &= 0x07;
387 adv_set_bank(adv, 1);
388 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
389 adv_set_bank(adv, 0);
390 isa_dmacascade(adv->isa_dma_channel);
396 adv_set_isapnp_wait_for_key(void)
398 static int isapnp_wait_set = 0;
399 if (isapnp_wait_set == 0) {
400 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
401 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
406 static device_method_t adv_isa_methods[] = {
407 /* Device interface */
408 DEVMETHOD(device_probe, adv_isa_probe),
409 DEVMETHOD(device_attach, adv_isa_attach),
413 static driver_t adv_isa_driver = {
414 "adv", adv_isa_methods, sizeof(struct adv_softc)
417 static devclass_t adv_isa_devclass;
418 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, 0, 0);