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
48 #include <sys/cdefs.h>
49 __FBSDID("$FreeBSD$");
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/kernel.h>
54 #include <sys/module.h>
56 #include <sys/mutex.h>
58 #include <machine/bus.h>
59 #include <machine/resource.h>
63 #include <isa/isavar.h>
65 #include <dev/advansys/advansys.h>
67 #include <cam/scsi/scsi_all.h>
69 #define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
70 #define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
72 #define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
73 #define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
76 * The overrun buffer shared amongst all ISA/VL adapters.
78 static u_int8_t* overrun_buf;
79 static bus_dma_tag_t overrun_dmat;
80 static bus_dmamap_t overrun_dmamap;
81 static bus_addr_t overrun_physbase;
83 /* Possible port addresses an ISA or VL adapter can live at */
84 static u_int16_t adv_isa_ioports[] =
87 0x110, /* First selection in BIOS setup */
89 0x130, /* Second selection in BIOS setup */
91 0x150, /* Third selection in BIOS setup */
92 0x190, /* Fourth selection in BIOS setup */
93 0x210, /* Fifth selection in BIOS setup */
94 0x230, /* Sixth selection in BIOS setup */
95 0x250, /* Seventh selection in BIOS setup */
96 0x330 /* Eighth and default selection in BIOS setup */
99 #define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
101 static int adv_isa_probe(device_t dev);
102 static int adv_isa_attach(device_t dev);
103 static void adv_set_isapnp_wait_for_key(void);
104 static int adv_get_isa_dma_channel(struct adv_softc *adv);
105 static int adv_set_isa_dma_settings(struct adv_softc *adv);
108 adv_isa_probe(device_t dev)
112 u_long iobase, iocount, irq;
116 struct resource *iores, *irqres;
119 * We don't know of any PnP ID's for these cards.
121 if (isa_get_logicalid(dev) != 0)
125 * Default to scanning all possible device locations.
128 max_port_index = MAX_ISA_IOPORT_INDEX;
130 if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, &iocount) == 0) {
132 for (;port_index <= max_port_index; port_index++)
133 if (iobase <= adv_isa_ioports[port_index])
135 if ((port_index > max_port_index)
136 || (iobase != adv_isa_ioports[port_index])) {
139 "Invalid baseport of 0x%lx specified. "
140 "Nearest valid baseport is 0x%x. Failing "
142 (port_index <= max_port_index) ?
143 adv_isa_ioports[port_index] :
144 adv_isa_ioports[max_port_index]);
147 max_port_index = port_index;
150 /* Perform the actual probing */
151 adv_set_isapnp_wait_for_key();
152 for (;port_index <= max_port_index; port_index++) {
153 u_int16_t port_addr = adv_isa_ioports[port_index];
158 struct adv_softc *adv;
161 /* Already been attached */
164 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1))
167 /* XXX what is the real portsize? */
168 iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
173 if (adv_find_signature(iores) == 0) {
174 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
179 * Got one. Now allocate our softc
180 * and see if we can initialize the card.
182 adv = adv_alloc(dev, iores, 0);
184 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
191 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
192 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
194 * Determine the chip version.
196 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
197 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
198 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
200 maxsegsz = ADV_VL_MAX_DMA_COUNT;
201 maxsize = BUS_SPACE_MAXSIZE_32BIT;
202 lowaddr = ADV_VL_MAX_DMA_ADDR;
203 bus_delete_resource(dev, SYS_RES_DRQ, 0);
204 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
205 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
206 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
207 adv->type = ADV_ISAPNP;
208 ADV_OUTB(adv, ADV_REG_IFC,
209 ADV_IFC_INIT_DEFAULT);
213 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
214 maxsize = BUS_SPACE_MAXSIZE_24BIT;
215 lowaddr = ADV_ISA_MAX_DMA_ADDR;
216 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
217 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
218 bus_set_resource(dev, SYS_RES_DRQ, 0,
219 adv->isa_dma_channel, 1);
221 panic("advisaprobe: Unknown card revision\n");
225 * Allocate a parent dmatag for all tags created
226 * by the MI portions of the advansys driver
228 error = bus_dma_tag_create(
229 /* parent */ bus_get_dma_tag(dev),
232 /* lowaddr */ lowaddr,
233 /* highaddr */ BUS_SPACE_MAXADDR,
235 /* filterarg */ NULL,
236 /* maxsize */ maxsize,
238 /* maxsegsz */ maxsegsz,
246 "Could not allocate DMA tag - error %d\n", error);
248 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
252 adv->init_level += 2;
254 if (overrun_buf == NULL) {
255 /* Need to allocate our overrun buffer */
256 if (bus_dma_tag_create(
257 /* parent */ adv->parent_dmat,
260 /* lowaddr */ ADV_ISA_MAX_DMA_ADDR,
261 /* highaddr */ BUS_SPACE_MAXADDR,
263 /* filterarg */ NULL,
264 /* maxsize */ ADV_OVERRUN_BSIZE,
266 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
270 &overrun_dmat) != 0) {
272 bus_release_resource(dev, SYS_RES_IOPORT, 0,
276 if (bus_dmamem_alloc(overrun_dmat,
277 (void **)&overrun_buf,
279 &overrun_dmamap) != 0) {
280 bus_dma_tag_destroy(overrun_dmat);
282 bus_release_resource(dev, SYS_RES_IOPORT, 0,
286 /* And permanently map it in */
287 bus_dmamap_load(overrun_dmat, overrun_dmamap,
288 overrun_buf, ADV_OVERRUN_BSIZE,
289 adv_map, &overrun_physbase,
293 adv->overrun_physbase = overrun_physbase;
295 if (adv_init(adv) != 0) {
296 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
297 bus_dmamem_free(overrun_dmat, overrun_buf,
299 bus_dma_tag_destroy(overrun_dmat);
301 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
307 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
309 |= ADV_BUG_FIX_ASYN_USE_SYN;
310 adv->fix_asyn_xfer = ~0;
314 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
315 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
316 adv_set_isa_dma_settings(adv);
320 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
321 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
324 panic("advisaprobe: Invalid card type\n");
327 /* Determine our IRQ */
328 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL))
329 bus_set_resource(dev, SYS_RES_IRQ, 0,
330 adv_get_chip_irq(adv), 1);
332 adv_set_chip_irq(adv, irq);
334 irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
336 if (irqres == NULL ||
337 bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY|
338 INTR_MPSAFE, NULL, adv_intr, adv, &ih) != 0) {
340 bus_release_resource(dev, SYS_RES_IRQ, rid,
342 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
343 bus_dmamem_free(overrun_dmat, overrun_buf,
345 bus_dma_tag_destroy(overrun_dmat);
347 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
352 adv_isa_ioports[port_index] = 0;
357 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount);
359 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
365 adv_isa_attach(device_t dev)
367 struct adv_softc *adv = device_get_softc(dev);
369 return (adv_attach(adv));
373 adv_get_isa_dma_channel(struct adv_softc *adv)
377 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
380 else if (channel == 0x00)
382 return (channel + 4);
386 adv_set_isa_dma_settings(struct adv_softc *adv)
391 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
392 if (adv->isa_dma_channel == 7)
395 value = adv->isa_dma_channel - 4;
396 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
397 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
399 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
401 adv->isa_dma_speed &= 0x07;
402 adv_set_bank(adv, 1);
403 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
404 adv_set_bank(adv, 0);
405 isa_dmacascade(adv->isa_dma_channel);
411 adv_set_isapnp_wait_for_key(void)
413 static int isapnp_wait_set = 0;
414 if (isapnp_wait_set == 0) {
415 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
416 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
421 static device_method_t adv_isa_methods[] = {
422 /* Device interface */
423 DEVMETHOD(device_probe, adv_isa_probe),
424 DEVMETHOD(device_attach, adv_isa_attach),
428 static driver_t adv_isa_driver = {
429 "adv", adv_isa_methods, sizeof(struct adv_softc)
432 static devclass_t adv_isa_devclass;
433 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, 0, 0);
434 MODULE_DEPEND(adv, isa, 1, 1, 1);