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])) {
138 printf("adv%d: Invalid baseport of 0x%lx specified. "
139 "Nearest valid baseport is 0x%x. Failing "
140 "probe.\n", device_get_unit(dev), iobase,
141 (port_index <= max_port_index) ?
142 adv_isa_ioports[port_index] :
143 adv_isa_ioports[max_port_index]);
146 max_port_index = port_index;
149 /* Perform the actual probing */
150 adv_set_isapnp_wait_for_key();
151 for (;port_index <= max_port_index; port_index++) {
152 u_int16_t port_addr = adv_isa_ioports[port_index];
157 struct adv_softc *adv;
160 /* Already been attached */
163 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1))
166 /* XXX what is the real portsize? */
167 iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
172 if (adv_find_signature(rman_get_bustag(iores),
173 rman_get_bushandle(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, rman_get_bustag(iores),
183 rman_get_bushandle(iores));
185 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
192 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
193 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
195 * Determine the chip version.
197 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
198 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
199 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
201 maxsegsz = ADV_VL_MAX_DMA_COUNT;
202 maxsize = BUS_SPACE_MAXSIZE_32BIT;
203 lowaddr = ADV_VL_MAX_DMA_ADDR;
204 bus_delete_resource(dev, SYS_RES_DRQ, 0);
205 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
206 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
207 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
208 adv->type = ADV_ISAPNP;
209 ADV_OUTB(adv, ADV_REG_IFC,
210 ADV_IFC_INIT_DEFAULT);
214 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
215 maxsize = BUS_SPACE_MAXSIZE_24BIT;
216 lowaddr = ADV_ISA_MAX_DMA_ADDR;
217 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
218 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
219 bus_set_resource(dev, SYS_RES_DRQ, 0,
220 adv->isa_dma_channel, 1);
222 panic("advisaprobe: Unknown card revision\n");
226 * Allocate a parent dmatag for all tags created
227 * by the MI portions of the advansys driver
229 error = bus_dma_tag_create(
230 /* parent */ bus_get_dma_tag(dev),
233 /* lowaddr */ lowaddr,
234 /* highaddr */ BUS_SPACE_MAXADDR,
236 /* filterarg */ NULL,
237 /* maxsize */ maxsize,
239 /* maxsegsz */ maxsegsz,
241 /* lockfunc */ busdma_lock_mutex,
242 /* lockarg */ &Giant,
246 printf("%s: Could not allocate DMA tag - error %d\n",
247 adv_name(adv), error);
249 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
253 adv->init_level += 2;
255 if (overrun_buf == NULL) {
256 /* Need to allocate our overrun buffer */
257 if (bus_dma_tag_create(
258 /* parent */ adv->parent_dmat,
261 /* lowaddr */ ADV_ISA_MAX_DMA_ADDR,
262 /* highaddr */ BUS_SPACE_MAXADDR,
264 /* filterarg */ NULL,
265 /* maxsize */ ADV_OVERRUN_BSIZE,
267 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
271 &overrun_dmat) != 0) {
273 bus_release_resource(dev, SYS_RES_IOPORT, 0,
277 if (bus_dmamem_alloc(overrun_dmat,
278 (void **)&overrun_buf,
280 &overrun_dmamap) != 0) {
281 bus_dma_tag_destroy(overrun_dmat);
283 bus_release_resource(dev, SYS_RES_IOPORT, 0,
287 /* And permanently map it in */
288 bus_dmamap_load(overrun_dmat, overrun_dmamap,
289 overrun_buf, ADV_OVERRUN_BSIZE,
290 adv_map, &overrun_physbase,
294 adv->overrun_physbase = overrun_physbase;
296 if (adv_init(adv) != 0) {
297 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
298 bus_dmamem_free(overrun_dmat, overrun_buf,
300 bus_dma_tag_destroy(overrun_dmat);
302 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
308 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
310 |= ADV_BUG_FIX_ASYN_USE_SYN;
311 adv->fix_asyn_xfer = ~0;
315 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
316 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
317 adv_set_isa_dma_settings(adv);
321 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
322 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
325 panic("advisaprobe: Invalid card type\n");
328 /* Determine our IRQ */
329 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL))
330 bus_set_resource(dev, SYS_RES_IRQ, 0,
331 adv_get_chip_irq(adv), 1);
333 adv_set_chip_irq(adv, irq);
335 irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
337 if (irqres == NULL ||
338 bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY,
339 NULL, adv_intr, adv, &ih)) {
340 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
341 bus_dmamem_free(overrun_dmat, overrun_buf,
343 bus_dma_tag_destroy(overrun_dmat);
345 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
350 adv_isa_ioports[port_index] = 0;
355 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount);
357 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
363 adv_isa_attach(device_t dev)
365 struct adv_softc *adv = device_get_softc(dev);
367 return (adv_attach(adv));
371 adv_get_isa_dma_channel(struct adv_softc *adv)
375 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
378 else if (channel == 0x00)
380 return (channel + 4);
384 adv_set_isa_dma_settings(struct adv_softc *adv)
389 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
390 if (adv->isa_dma_channel == 7)
393 value = adv->isa_dma_channel - 4;
394 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
395 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
397 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
399 adv->isa_dma_speed &= 0x07;
400 adv_set_bank(adv, 1);
401 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
402 adv_set_bank(adv, 0);
403 isa_dmacascade(adv->isa_dma_channel);
409 adv_set_isapnp_wait_for_key(void)
411 static int isapnp_wait_set = 0;
412 if (isapnp_wait_set == 0) {
413 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
414 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
419 static device_method_t adv_isa_methods[] = {
420 /* Device interface */
421 DEVMETHOD(device_probe, adv_isa_probe),
422 DEVMETHOD(device_attach, adv_isa_attach),
426 static driver_t adv_isa_driver = {
427 "adv", adv_isa_methods, sizeof(struct adv_softc)
430 static devclass_t adv_isa_devclass;
431 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, 0, 0);
432 MODULE_DEPEND(adv, isa, 1, 1, 1);