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 $
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/kernel.h>
55 #include <sys/machintr.h>
57 #include <bus/isa/isavar.h>
61 #include <bus/cam/scsi/scsi_all.h>
63 #define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
64 #define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
66 #define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
67 #define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
70 * The overrun buffer shared amongst all ISA/VL adapters.
72 static u_int8_t* overrun_buf;
73 static bus_dma_tag_t overrun_dmat;
74 static bus_dmamap_t overrun_dmamap;
75 static bus_addr_t overrun_physbase;
77 /* Possible port addresses an ISA or VL adapter can live at */
78 static u_int16_t adv_isa_ioports[] =
81 0x110, /* First selection in BIOS setup */
83 0x130, /* Second selection in BIOS setup */
85 0x150, /* Third selection in BIOS setup */
86 0x190, /* Fourth selection in BIOS setup */
87 0x210, /* Fifth selection in BIOS setup */
88 0x230, /* Sixth selection in BIOS setup */
89 0x250, /* Seventh selection in BIOS setup */
90 0x330 /* Eighth and default selection in BIOS setup */
93 #define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
95 static int adv_isa_probe(device_t dev);
96 static int adv_isa_attach(device_t dev);
97 static void adv_set_isapnp_wait_for_key(void);
98 static int adv_get_isa_dma_channel(struct adv_softc *adv);
99 static int adv_set_isa_dma_settings(struct adv_softc *adv);
102 adv_isa_probe(device_t dev)
106 u_long iobase, iocount, irq;
110 struct resource *iores, *irqres;
113 * Default to scanning all possible device locations.
116 max_port_index = MAX_ISA_IOPORT_INDEX;
118 if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, &iocount) == 0) {
120 for (;port_index <= max_port_index; port_index++)
121 if (iobase <= adv_isa_ioports[port_index])
123 if ((port_index > max_port_index)
124 || (iobase != adv_isa_ioports[port_index])) {
126 kprintf("adv%d: Invalid baseport of 0x%lx specified. "
127 "Nearest valid baseport is 0x%x. Failing "
128 "probe.\n", device_get_unit(dev), iobase,
129 (port_index <= max_port_index) ?
130 adv_isa_ioports[port_index] :
131 adv_isa_ioports[max_port_index]);
134 max_port_index = port_index;
137 /* Perform the actual probing */
138 adv_set_isapnp_wait_for_key();
139 for (;port_index <= max_port_index; port_index++) {
140 u_int16_t port_addr = adv_isa_ioports[port_index];
145 struct adv_softc *adv;
148 /* Already been attached */
151 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1, -1))
154 /* XXX what is the real portsize? */
155 iores = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
160 if (adv_find_signature(rman_get_bustag(iores),
161 rman_get_bushandle(iores)) == 0) {
162 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
167 * Got one. Now allocate our softc
168 * and see if we can initialize the card.
170 adv = adv_alloc(dev, rman_get_bustag(iores),
171 rman_get_bushandle(iores));
173 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
180 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
181 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
183 * Determine the chip version.
185 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
186 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
187 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
189 maxsegsz = ADV_VL_MAX_DMA_COUNT;
190 maxsize = BUS_SPACE_MAXSIZE_32BIT;
191 lowaddr = ADV_VL_MAX_DMA_ADDR;
192 bus_delete_resource(dev, SYS_RES_DRQ, 0);
193 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
194 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
195 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
196 adv->type = ADV_ISAPNP;
197 ADV_OUTB(adv, ADV_REG_IFC,
198 ADV_IFC_INIT_DEFAULT);
202 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
203 maxsize = BUS_SPACE_MAXSIZE_24BIT;
204 lowaddr = ADV_ISA_MAX_DMA_ADDR;
205 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
206 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
207 bus_set_resource(dev, SYS_RES_DRQ, 0,
208 adv->isa_dma_channel, 1, -1);
210 panic("advisaprobe: Unknown card revision\n");
214 * Allocate a parent dmatag for all tags created
215 * by the MI portions of the advansys driver
217 /* XXX Should be a child of the ISA bus dma tag */
218 error = bus_dma_tag_create(/*parent*/NULL,
222 /*highaddr*/BUS_SPACE_MAXADDR,
226 /*nsegs*/BUS_SPACE_UNRESTRICTED,
232 kprintf("%s: Could not allocate DMA tag - error %d\n",
233 adv_name(adv), error);
235 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
239 adv->init_level += 2;
241 if (overrun_buf == NULL) {
242 /* Need to allocate our overrun buffer */
243 if (bus_dma_tag_create(adv->parent_dmat,
246 ADV_ISA_MAX_DMA_ADDR,
252 BUS_SPACE_MAXSIZE_32BIT,
254 &overrun_dmat) != 0) {
256 bus_release_resource(dev, SYS_RES_IOPORT, 0,
260 if (bus_dmamem_alloc(overrun_dmat,
261 (void **)&overrun_buf,
263 &overrun_dmamap) != 0) {
264 bus_dma_tag_destroy(overrun_dmat);
266 bus_release_resource(dev, SYS_RES_IOPORT, 0,
270 /* And permanently map it in */
271 bus_dmamap_load(overrun_dmat, overrun_dmamap,
272 overrun_buf, ADV_OVERRUN_BSIZE,
273 adv_map, &overrun_physbase,
277 adv->overrun_physbase = overrun_physbase;
279 if (adv_init(adv) != 0) {
280 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
281 bus_dmamem_free(overrun_dmat, overrun_buf,
283 bus_dma_tag_destroy(overrun_dmat);
285 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
291 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
293 |= ADV_BUG_FIX_ASYN_USE_SYN;
294 adv->fix_asyn_xfer = ~0;
298 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
299 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
300 adv_set_isa_dma_settings(adv);
304 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
305 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
308 panic("advisaprobe: Invalid card type\n");
311 /* Determine our IRQ */
312 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL)) {
313 int chip_irq = adv_get_chip_irq(adv);
315 bus_set_resource(dev, SYS_RES_IRQ, 0, chip_irq, 1,
316 machintr_intr_cpuid(chip_irq));
318 adv_set_chip_irq(adv, irq);
321 irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
323 if (irqres == NULL ||
324 bus_setup_intr(dev, irqres, 0, adv_intr, adv,
326 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
327 bus_dmamem_free(overrun_dmat, overrun_buf,
329 bus_dma_tag_destroy(overrun_dmat);
331 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
336 adv_isa_ioports[port_index] = 0;
341 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount, -1);
343 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
349 adv_isa_attach(device_t dev)
351 struct adv_softc *adv = device_get_softc(dev);
353 return (adv_attach(adv));
357 adv_get_isa_dma_channel(struct adv_softc *adv)
361 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
364 else if (channel == 0x00)
366 return (channel + 4);
370 adv_set_isa_dma_settings(struct adv_softc *adv)
375 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
376 if (adv->isa_dma_channel == 7)
379 value = adv->isa_dma_channel - 4;
380 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
381 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
383 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
385 adv->isa_dma_speed &= 0x07;
386 adv_set_bank(adv, 1);
387 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
388 adv_set_bank(adv, 0);
389 isa_dmacascade(adv->isa_dma_channel);
395 adv_set_isapnp_wait_for_key(void)
397 static int isapnp_wait_set = 0;
398 if (isapnp_wait_set == 0) {
399 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
400 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
405 static device_method_t adv_isa_methods[] = {
406 /* Device interface */
407 DEVMETHOD(device_probe, adv_isa_probe),
408 DEVMETHOD(device_attach, adv_isa_attach),
412 static driver_t adv_isa_driver = {
413 "adv", adv_isa_methods, sizeof(struct adv_softc)
416 static devclass_t adv_isa_devclass;
417 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, NULL, NULL);