/*
* Device probe and attach routines for the following
* Advanced Systems Inc. SCSI controllers:
*
* Connectivity Products:
* ABP920 - Bus-Master PCI (16 CDB)
* ABP930 - Bus-Master PCI (16 CDB) *
* ABP930U - Bus-Master PCI Ultra (16 CDB)
* ABP930UA - Bus-Master PCI Ultra (16 CDB)
* ABP960 - Bus-Master PCI MAC/PC (16 CDB) **
* ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB)
*
* Single Channel Products:
* ABP940 - Bus-Master PCI (240 CDB)
* ABP940U - Bus-Master PCI Ultra (240 CDB)
* ABP970 - Bus-Master PCI MAC/PC (240 CDB)
* ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
*
* Dual Channel Products:
* ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
*
* Footnotes:
* * This board has been sold by SIIG as the Fast SCSI Pro PCI.
* ** This board has been sold by Iomega as a Jaz Jet PCI adapter.
*
* 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: adv_pci.c,v 1.4 1998/12/22 18:14:15 gibbs Exp $
*/
#include <pci.h>
#if NPCI > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <dev/advansys/advansys.h>
#define PCI_BASEADR0 PCI_MAP_REG_START /* I/O Address */
#define PCI_BASEADR1 PCI_MAP_REG_START + 4 /* Mem I/O Address */
#define PCI_DEVICE_ID_ADVANSYS_1200A 0x110010CD
#define PCI_DEVICE_ID_ADVANSYS_1200B 0x120010CD
#define PCI_DEVICE_ID_ADVANSYS_ULTRA 0x130010CD
#define PCI_DEVICE_REV_ADVANSYS_3150 0x02
#define PCI_DEVICE_REV_ADVANSYS_3050 0x03
#define ADV_PCI_MAX_DMA_ADDR (0xFFFFFFFFL)
#define ADV_PCI_MAX_DMA_COUNT (0xFFFFFFFFL)
static const char* advpciprobe(pcici_t tag, pcidi_t type);
static void advpciattach(pcici_t config_id, int unit);
/*
* The overrun buffer shared amongst all PCI adapters.
*/
static u_int8_t* overrun_buf;
static bus_dma_tag_t overrun_dmat;
static bus_dmamap_t overrun_dmamap;
static bus_addr_t overrun_physbase;
static struct pci_device adv_pci_driver = {
"adv",
advpciprobe,
advpciattach,
&adv_unit,
NULL
};
#ifdef COMPAT_PCI_DRIVER
COMPAT_PCI_DRIVER (adv_pci, adv_pci_driver);
#else
DATA_SET (pcidevice_set, adv_pci_driver);
#endif /* COMPAT_PCI_DRIVER */
static const char*
advpciprobe(pcici_t tag, pcidi_t type)
{
int rev = pci_conf_read(tag, PCI_CLASS_REG) & 0xff;
switch (type) {
case PCI_DEVICE_ID_ADVANSYS_1200A:
return ("AdvanSys ASC1200A SCSI controller");
case PCI_DEVICE_ID_ADVANSYS_1200B:
return ("AdvanSys ASC1200B SCSI controller");
case PCI_DEVICE_ID_ADVANSYS_ULTRA:
if (rev == PCI_DEVICE_REV_ADVANSYS_3150)
return ("AdvanSys ASC3150 Ultra SCSI controller");
else
return ("AdvanSys ASC3050 Ultra SCSI controller");
break;
default:
break;
}
return (NULL);
}
static void
advpciattach(pcici_t config_id, int unit)
{
u_int16_t io_port;
struct adv_softc *adv;
u_int32_t id;
u_int32_t command;
int error;
/*
* Determine the chip version.
*/
id = pci_cfgread(config_id, PCI_ID_REG, /*bytes*/4);
command = pci_cfgread(config_id, PCIR_COMMAND, /*bytes*/1);
/*
* These cards do not allow memory mapped accesses, so we must
* ensure that I/O accesses are available or we won't be able
* to talk to them.
*/
if ((command & (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN))
!= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN)) {
command |= PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN;
pci_cfgwrite(config_id, PCIR_COMMAND, command, /*bytes*/1);
}
/*
* Early chips can't handle non-zero latency timer settings.
*/
if (id == PCI_DEVICE_ID_ADVANSYS_1200A
|| id == PCI_DEVICE_ID_ADVANSYS_1200B) {
pci_cfgwrite(config_id, PCIR_LATTIMER, /*value*/0, /*bytes*/1);
}
if (pci_map_port(config_id, PCI_BASEADR0, &io_port) == 0)
return;
if (adv_find_signature(I386_BUS_SPACE_IO, io_port) == 0)
return;
adv = adv_alloc(unit, I386_BUS_SPACE_IO, io_port);
if (adv == NULL)
return;
/* Allocate a dmatag for our transfer DMA maps */
/* XXX Should be a child of the PCI bus dma tag */
error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/0,
/*boundary*/0,
/*lowaddr*/ADV_PCI_MAX_DMA_ADDR,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/ADV_PCI_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;
}
adv->init_level++;
if (overrun_buf == NULL) {
/* Need to allocate our overrun buffer */
if (bus_dma_tag_create(adv->parent_dmat,
/*alignment*/8, /*boundary*/0,
ADV_PCI_MAX_DMA_ADDR, BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
ADV_OVERRUN_BSIZE, /*nsegments*/1,
BUS_SPACE_MAXSIZE_32BIT, /*flags*/0,
&overrun_dmat) != 0) {
bus_dma_tag_destroy(adv->parent_dmat);
adv_free(adv);
return;
}
if (bus_dmamem_alloc(overrun_dmat,
(void **)&overrun_buf,
BUS_DMA_NOWAIT,
&overrun_dmamap) != 0) {
bus_dma_tag_destroy(overrun_dmat);
bus_dma_tag_destroy(adv->parent_dmat);
adv_free(adv);
return;
}
/* And permanently map it in */
bus_dmamap_load(overrun_dmat, overrun_dmamap,
overrun_buf, ADV_OVERRUN_BSIZE,
adv_map, &overrun_physbase,
/*flags*/0);
}
adv->overrun_physbase = overrun_physbase;
/*
* Stop the chip.
*/
ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
adv->type = ADV_PCI;
/*
* Setup active negation and signal filtering.
*/
{
u_int8_t extra_cfg;
if (adv->chip_version >= ADV_CHIP_VER_PCI_ULTRA_3150)
adv->type |= ADV_ULTRA;
if (adv->chip_version == ADV_CHIP_VER_PCI_ULTRA_3150)
extra_cfg = ADV_IFC_ACT_NEG | ADV_IFC_SLEW_RATE;
else if (adv->chip_version == ADV_CHIP_VER_PCI_ULTRA_3050)
extra_cfg = ADV_IFC_ACT_NEG | ADV_IFC_WR_EN_FILTER;
else
extra_cfg = ADV_IFC_ACT_NEG | ADV_IFC_SLEW_RATE;
ADV_OUTB(adv, ADV_REG_IFC, extra_cfg);
}
if (adv_init(adv) != 0) {
adv_free(adv);
return;
}
adv->max_dma_count = ADV_PCI_MAX_DMA_COUNT;
adv->max_dma_addr = ADV_PCI_MAX_DMA_ADDR;
#if CC_DISABLE_PCI_PARITY_INT
{
u_int16_t config_msw;
config_msw = ADV_INW(adv, ADV_CONFIG_MSW);
config_msw &= 0xFFC0;
ADV_OUTW(adv, ADV_CONFIG_MSW, config_msw);
}
#endif
if (id == PCI_DEVICE_ID_ADVANSYS_1200A
|| id == PCI_DEVICE_ID_ADVANSYS_1200B) {
adv->bug_fix_control |= ADV_BUG_FIX_IF_NOT_DWB;
adv->bug_fix_control |= ADV_BUG_FIX_ASYN_USE_SYN;
adv->fix_asyn_xfer = ~0;
}
if ((pci_map_int(config_id, adv_intr, (void *)adv, &cam_imask)) == 0) {
adv_free(adv);
return;
}
adv_attach(adv);
}
#endif /* NPCI > 0 */
