355 lines
8.6 KiB
C
355 lines
8.6 KiB
C
|
/*
|
||
|
|
* Device probe and attach routines for the following
|
||
|
|
* Advanced Systems Inc. SCSI controllers:
|
||
|
|
*
|
||
|
|
* Single Channel Products:
|
||
|
|
* ABP742 - Bus-Master EISA (240 CDB)
|
||
|
|
*
|
||
|
|
* Dual Channel Products:
|
||
|
|
* ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel)
|
||
|
|
*
|
||
|
|
* Copyright (c) 1997 Justin Gibbs.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions, and the following disclaimer,
|
||
|
|
* without modification, immediately at the beginning of the file.
|
||
|
|
* 2. The name of the author may not be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
|
||
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* $Id$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "eisa.h"
|
||
|
|
#if NEISA > 0
|
||
|
|
|
||
|
|
#include <sys/param.h>
|
||
|
|
#include <sys/systm.h>
|
||
|
|
#include <sys/kernel.h>
|
||
|
|
|
||
|
|
#include <machine/bus_pio.h>
|
||
|
|
#include <machine/bus.h>
|
||
|
|
|
||
|
|
#include <i386/eisa/eisaconf.h>
|
||
|
|
|
||
|
|
#include <dev/advansys/advansys.h>
|
||
|
|
|
||
|
|
#define EISA_DEVICE_ID_ADVANSYS_740 0x04507400
|
||
|
|
#define EISA_DEVICE_ID_ADVANSYS_750 0x04507500
|
||
|
|
|
||
|
|
#define ADV_EISA_SLOT_OFFSET 0xc00
|
||
|
|
#define ADV_EISA_OFFSET_CHAN1 0x30
|
||
|
|
#define ADV_EISA_OFFSET_CHAN2 0x50
|
||
|
|
#define ADV_EISA_IOSIZE 0x100
|
||
|
|
|
||
|
|
#define ADV_EISA_ROM_BIOS_ADDR_REG 0x86
|
||
|
|
#define ADV_EISA_IRQ_BURST_LEN_REG 0x87
|
||
|
|
#define ADV_EISA_IRQ_MASK 0x07
|
||
|
|
#define ADV_EISA_IRQ_10 0x00
|
||
|
|
#define ADV_EISA_IRQ_11 0x01
|
||
|
|
#define ADV_EISA_IRQ_12 0x02
|
||
|
|
#define ADV_EISA_IRQ_14 0x04
|
||
|
|
#define ADV_EISA_IRQ_15 0x05
|
||
|
|
|
||
|
|
#define ADV_EISA_MAX_DMA_ADDR (0x07FFFFFFL)
|
||
|
|
#define ADV_EISA_MAX_DMA_COUNT (0x07FFFFFFL)
|
||
|
|
|
||
|
|
static int adveisaprobe(void);
|
||
|
|
static int adveisaattach(struct eisa_device *e_dev);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The overrun buffer shared amongst all EISA adapters.
|
||
|
|
*/
|
||
|
|
static u_int8_t* overrun_buf;
|
||
|
|
bus_dma_tag_t overrun_dmat;
|
||
|
|
bus_dmamap_t overrun_dmamap;
|
||
|
|
bus_addr_t overrun_physbase;
|
||
|
|
|
||
|
|
static struct eisa_driver adv_eisa_driver =
|
||
|
|
{
|
||
|
|
"adv",
|
||
|
|
adveisaprobe,
|
||
|
|
adveisaattach,
|
||
|
|
/*shutdown*/NULL,
|
||
|
|
&adv_unit
|
||
|
|
};
|
||
|
|
|
||
|
|
DATA_SET (eisadriver_set, adv_eisa_driver);
|
||
|
|
|
||
|
|
static const char *adveisamatch(eisa_id_t type);
|
||
|
|
|
||
|
|
static const char*
|
||
|
|
adveisamatch(type)
|
||
|
|
eisa_id_t type;
|
||
|
|
{
|
||
|
|
switch (type & ~0xF) {
|
||
|
|
case EISA_DEVICE_ID_ADVANSYS_740:
|
||
|
|
return ("AdvanSys ABP-740/742 SCSI adapter");
|
||
|
|
break;
|
||
|
|
case EISA_DEVICE_ID_ADVANSYS_750:
|
||
|
|
return ("AdvanSys ABP-750/752 SCSI adapter");
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return (NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
adveisaprobe(void)
|
||
|
|
{
|
||
|
|
u_int32_t iobase;
|
||
|
|
u_int8_t irq;
|
||
|
|
struct eisa_device *e_dev = NULL;
|
||
|
|
int count;
|
||
|
|
|
||
|
|
count = 0;
|
||
|
|
while ((e_dev = eisa_match_dev(e_dev, adveisamatch))) {
|
||
|
|
iobase = (e_dev->ioconf.slot * EISA_SLOT_SIZE)
|
||
|
|
+ ADV_EISA_SLOT_OFFSET;
|
||
|
|
|
||
|
|
eisa_add_iospace(e_dev, iobase, ADV_EISA_IOSIZE, RESVADDR_NONE);
|
||
|
|
irq = inb(iobase + ADV_EISA_IRQ_BURST_LEN_REG);
|
||
|
|
irq &= ADV_EISA_IRQ_MASK;
|
||
|
|
switch (irq) {
|
||
|
|
case 0:
|
||
|
|
case 1:
|
||
|
|
case 2:
|
||
|
|
case 4:
|
||
|
|
case 5:
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
printf("adv at slot %d: illegal "
|
||
|
|
"irq setting %d\n", e_dev->ioconf.slot,
|
||
|
|
irq);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
eisa_add_intr(e_dev, irq + 10);
|
||
|
|
eisa_registerdev(e_dev, &adv_eisa_driver);
|
||
|
|
count++;
|
||
|
|
}
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
adveisaattach(struct eisa_device *e_dev)
|
||
|
|
{
|
||
|
|
struct adv_softc *adv;
|
||
|
|
struct adv_softc *adv_b;
|
||
|
|
resvaddr_t *iospace;
|
||
|
|
int unit;
|
||
|
|
int irq;
|
||
|
|
int error;
|
||
|
|
|
||
|
|
adv_b = NULL;
|
||
|
|
unit = e_dev->unit;
|
||
|
|
iospace = e_dev->ioconf.ioaddrs.lh_first;
|
||
|
|
|
||
|
|
if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL)
|
||
|
|
return (-1);
|
||
|
|
|
||
|
|
irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
|
||
|
|
|
||
|
|
if (!iospace)
|
||
|
|
return (-1);
|
||
|
|
|
||
|
|
switch (e_dev->id & ~0xF) {
|
||
|
|
case EISA_DEVICE_ID_ADVANSYS_750:
|
||
|
|
adv_b = adv_alloc(unit, I386_BUS_SPACE_IO,
|
||
|
|
iospace->addr + ADV_EISA_OFFSET_CHAN2);
|
||
|
|
if (adv_b == NULL)
|
||
|
|
return (-1);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Allocate a parent dmatag for all tags created
|
||
|
|
* by the MI portions of the advansys driver
|
||
|
|
*/
|
||
|
|
/* XXX Should be a child of the PCI bus dma tag */
|
||
|
|
error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
|
||
|
|
/*boundary*/0,
|
||
|
|
/*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
|
||
|
|
/*highaddr*/BUS_SPACE_MAXADDR,
|
||
|
|
/*filter*/NULL, /*filterarg*/NULL,
|
||
|
|
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
|
||
|
|
/*nsegments*/BUS_SPACE_UNRESTRICTED,
|
||
|
|
/*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
|
||
|
|
/*flags*/0,
|
||
|
|
&adv_b->parent_dmat);
|
||
|
|
|
||
|
|
if (error != 0) {
|
||
|
|
printf("%s: Could not allocate DMA tag - error %d\n",
|
||
|
|
adv_name(adv_b), error);
|
||
|
|
adv_free(adv_b);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
adv_b->init_level++;
|
||
|
|
|
||
|
|
/* FALLTHROUGH */
|
||
|
|
case EISA_DEVICE_ID_ADVANSYS_740:
|
||
|
|
adv = adv_alloc(unit, I386_BUS_SPACE_IO,
|
||
|
|
iospace->addr + ADV_EISA_OFFSET_CHAN1);
|
||
|
|
if (adv == NULL) {
|
||
|
|
if (adv_b != NULL)
|
||
|
|
adv_free(adv_b);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Allocate a parent dmatag for all tags created
|
||
|
|
* by the MI portions of the advansys driver
|
||
|
|
*/
|
||
|
|
/* XXX Should be a child of the PCI bus dma tag */
|
||
|
|
error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
|
||
|
|
/*boundary*/0,
|
||
|
|
/*lowaddr*/ADV_EISA_MAX_DMA_ADDR,
|
||
|
|
/*highaddr*/BUS_SPACE_MAXADDR,
|
||
|
|
/*filter*/NULL, /*filterarg*/NULL,
|
||
|
|
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
|
||
|
|
/*nsegments*/BUS_SPACE_UNRESTRICTED,
|
||
|
|
/*maxsegsz*/ADV_EISA_MAX_DMA_COUNT,
|
||
|
|
/*flags*/0,
|
||
|
|
&adv->parent_dmat);
|
||
|
|
|
||
|
|
if (error != 0) {
|
||
|
|
printf("%s: Could not allocate DMA tag - error %d\n",
|
||
|
|
adv_name(adv), error);
|
||
|
|
adv_free(adv);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
adv->init_level++;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
printf("adveisaattach: Unknown device type!\n");
|
||
|
|
return (-1);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (overrun_buf == NULL) {
|
||
|
|
/* Need to allocate our overrun buffer */
|
||
|
|
if (bus_dma_tag_create(adv->parent_dmat,
|
||
|
|
/*alignment*/8,
|
||
|
|
/*boundary*/0,
|
||
|
|
ADV_EISA_MAX_DMA_ADDR,
|
||
|
|
BUS_SPACE_MAXADDR,
|
||
|
|
/*filter*/NULL,
|
||
|
|
/*filterarg*/NULL,
|
||
|
|
ADV_OVERRUN_BSIZE,
|
||
|
|
/*nsegments*/1,
|
||
|
|
BUS_SPACE_MAXSIZE_32BIT,
|
||
|
|
/*flags*/0,
|
||
|
|
&overrun_dmat) != 0) {
|
||
|
|
adv_free(adv);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
if (bus_dmamem_alloc(overrun_dmat,
|
||
|
|
(void **)&overrun_buf,
|
||
|
|
BUS_DMA_NOWAIT,
|
||
|
|
&overrun_dmamap) != 0) {
|
||
|
|
bus_dma_tag_destroy(overrun_dmat);
|
||
|
|
adv_free(adv);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
/* And permanently map it in */
|
||
|
|
bus_dmamap_load(overrun_dmat, overrun_dmamap,
|
||
|
|
overrun_buf, ADV_OVERRUN_BSIZE,
|
||
|
|
adv_map, &overrun_physbase,
|
||
|
|
/*flags*/0);
|
||
|
|
}
|
||
|
|
|
||
|
|
eisa_reg_start(e_dev);
|
||
|
|
if (eisa_reg_iospace(e_dev, iospace)) {
|
||
|
|
adv_free(adv);
|
||
|
|
if (adv_b != NULL)
|
||
|
|
adv_free(adv_b);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (eisa_reg_intr(e_dev, irq, adv_intr, (void *)adv, &cam_imask,
|
||
|
|
/*shared ==*/TRUE)) {
|
||
|
|
adv_free(adv);
|
||
|
|
if (adv_b != NULL)
|
||
|
|
adv_free(adv_b);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
eisa_reg_end(e_dev);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Now that we know we own the resources we need, do the
|
||
|
|
* card initialization.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Stop the chip.
|
||
|
|
*/
|
||
|
|
ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
|
||
|
|
ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
|
||
|
|
|
||
|
|
adv->chip_version = EISA_REVISION_ID(e_dev->id)
|
||
|
|
+ ADV_CHIP_MIN_VER_EISA - 1;
|
||
|
|
|
||
|
|
if (adv_init(adv) != 0) {
|
||
|
|
adv_free(adv);
|
||
|
|
if (adv_b != NULL)
|
||
|
|
adv_free(adv_b);
|
||
|
|
return(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
adv->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
|
||
|
|
adv->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
|
||
|
|
|
||
|
|
if (adv_b != NULL) {
|
||
|
|
/*
|
||
|
|
* Stop the chip.
|
||
|
|
*/
|
||
|
|
ADV_OUTB(adv_b, ADV_CHIP_CTRL, ADV_CC_HALT);
|
||
|
|
ADV_OUTW(adv_b, ADV_CHIP_STATUS, 0);
|
||
|
|
|
||
|
|
adv_b->chip_version = EISA_REVISION_ID(e_dev->id)
|
||
|
|
+ ADV_CHIP_MIN_VER_EISA - 1;
|
||
|
|
|
||
|
|
if (adv_init(adv_b) != 0) {
|
||
|
|
adv_free(adv_b);
|
||
|
|
} else {
|
||
|
|
adv_b->max_dma_count = ADV_EISA_MAX_DMA_COUNT;
|
||
|
|
adv_b->max_dma_addr = ADV_EISA_MAX_DMA_ADDR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Enable our interrupt handler.
|
||
|
|
*/
|
||
|
|
if (eisa_enable_intr(e_dev, irq)) {
|
||
|
|
adv_free(adv);
|
||
|
|
if (adv_b != NULL)
|
||
|
|
adv_free(adv_b);
|
||
|
|
eisa_release_intr(e_dev, irq, adv_intr);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Attach sub-devices - always succeeds */
|
||
|
|
adv_attach(adv);
|
||
|
|
if (adv_b != NULL)
|
||
|
|
adv_attach(adv_b);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* NEISA > 0 */
|