FreeBSD-5.3/sys/dev/advansys/adv_pci.c
/*
* Device probe and attach routines for the following
* Advanced Systems Inc. SCSI controllers:
*
* Connectivity Products:
* ABP902/3902 - Bus-Master PCI (16 CDB)
* ABP3905 - Bus-Master PCI (16 CDB)
* ABP915 - Bus-Master PCI (16 CDB)
* ABP920 - Bus-Master PCI (16 CDB)
* ABP3922 - Bus-Master PCI (16 CDB)
* ABP3925 - 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 (16 CDB) **
*
* Single Channel Products:
* ABP940 - Bus-Master PCI (240 CDB)
* ABP940U - Bus-Master PCI Ultra (240 CDB)
* ABP940UA/3940UA - Bus-Master PCI Ultra (240 CDB)
* ABP3960UA - Bus-Master PCI MAC/PC (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)
* ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
* ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
* ABP980UA/3980UA - Four Channel Bus-Master PCI Ultra (16 CDB Per Chan.)
*
* 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.
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sys/dev/advansys/adv_pci.c,v 1.24 2004/05/30 20:08:24 phk Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/advansys/advansys.h>
#define PCI_BASEADR0 PCIR_BAR(0) /* I/O Address */
#define PCI_BASEADR1 PCIR_BAR(1) /* Mem I/O Address */
#define PCI_DEVICE_ID_ADVANSYS_1200A 0x110010CD
#define PCI_DEVICE_ID_ADVANSYS_1200B 0x120010CD
#define PCI_DEVICE_ID_ADVANSYS_3000 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 int adv_pci_probe(device_t);
static int adv_pci_attach(device_t);
/*
* 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 int
adv_pci_probe(device_t dev)
{
int rev = pci_get_revid(dev);
switch (pci_get_devid(dev)) {
case PCI_DEVICE_ID_ADVANSYS_1200A:
device_set_desc(dev, "AdvanSys ASC1200A SCSI controller");
return 0;
case PCI_DEVICE_ID_ADVANSYS_1200B:
device_set_desc(dev, "AdvanSys ASC1200B SCSI controller");
return 0;
case PCI_DEVICE_ID_ADVANSYS_3000:
if (rev == PCI_DEVICE_REV_ADVANSYS_3150) {
device_set_desc(dev,
"AdvanSys ASC3150 SCSI controller");
return 0;
} else if (rev == PCI_DEVICE_REV_ADVANSYS_3050) {
device_set_desc(dev,
"AdvanSys ASC3030/50 SCSI controller");
return 0;
} else if (rev >= PCI_DEVICE_REV_ADVANSYS_3150) {
device_set_desc(dev, "Unknown AdvanSys controller");
return 0;
}
break;
default:
break;
}
return ENXIO;
}
static int
adv_pci_attach(device_t dev)
{
struct adv_softc *adv;
u_int32_t id;
u_int32_t command;
int error, rid, irqrid;
void *ih;
struct resource *iores, *irqres;
/*
* Determine the chip version.
*/
id = pci_read_config(dev, PCIR_DEVVENDOR, /*bytes*/4);
command = pci_read_config(dev, 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_write_config(dev, 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_write_config(dev, PCIR_LATTIMER, /*value*/0, /*bytes*/1);
}
rid = PCI_BASEADR0;
iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
RF_ACTIVE);
if (iores == NULL)
return ENXIO;
if (adv_find_signature(rman_get_bustag(iores),
rman_get_bushandle(iores)) == 0) {
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
adv = adv_alloc(dev, rman_get_bustag(iores), rman_get_bushandle(iores));
if (adv == NULL) {
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
/* 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 */ 1,
/* boundary */ 0,
/* lowaddr */ ADV_PCI_MAX_DMA_ADDR,
/* highaddr */ BUS_SPACE_MAXADDR,
/* filter */ NULL,
/* filterarg */ NULL,
/* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
/* nsegments */ ~0,
/* maxsegsz */ ADV_PCI_MAX_DMA_COUNT,
/* flags */ 0,
/* lockfunc */ busdma_lock_mutex,
/* lockarg */ &Giant,
&adv->parent_dmat);
if (error != 0) {
printf("%s: Could not allocate DMA tag - error %d\n",
adv_name(adv), error);
adv_free(adv);
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
adv->init_level++;
if (overrun_buf == NULL) {
/* Need to allocate our overrun buffer */
if (bus_dma_tag_create(
/* parent */ adv->parent_dmat,
/* alignment */ 8,
/* boundary */ 0,
/* lowaddr */ ADV_PCI_MAX_DMA_ADDR,
/* highaddr */ BUS_SPACE_MAXADDR,
/* filter */ NULL,
/* filterarg */ NULL,
/* maxsize */ ADV_OVERRUN_BSIZE,
/* nsegments */ 1,
/* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
/* flags */ 0,
/* lockfunc */ busdma_lock_mutex,
/* lockarg */ &Giant,
&overrun_dmat) != 0) {
bus_dma_tag_destroy(adv->parent_dmat);
adv_free(adv);
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
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);
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
/* 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_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);
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
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;
}
irqrid = 0;
irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &irqrid,
RF_SHAREABLE | RF_ACTIVE);
if (irqres == NULL ||
bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY, adv_intr, adv, &ih)) {
adv_free(adv);
bus_release_resource(dev, SYS_RES_IOPORT, rid, iores);
return ENXIO;
}
adv_attach(adv);
return 0;
}
static device_method_t adv_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, adv_pci_probe),
DEVMETHOD(device_attach, adv_pci_attach),
{ 0, 0 }
};
static driver_t adv_pci_driver = {
"adv", adv_pci_methods, sizeof(struct adv_softc)
};
static devclass_t adv_pci_devclass;
DRIVER_MODULE(adv, pci, adv_pci_driver, adv_pci_devclass, 0, 0);