int ecoscsi_detect(Scsi_Host_Template * tpnt)
{
struct Scsi_Host *instance;
tpnt->proc_name = "ecoscsi";
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
instance->io_port = 0x80ce8000;
instance->n_io_port = 144;
instance->irq = IRQ_NONE;
if (check_region (instance->io_port, instance->n_io_port)) {
scsi_unregister (instance);
return 0;
}
ecoscsi_write (instance, MODE_REG, 0x20); /* Is it really SCSI? */
if (ecoscsi_read (instance, MODE_REG) != 0x20) { /* Write to a reg. */
scsi_unregister(instance);
return 0; /* and try to read */
}
ecoscsi_write( instance, MODE_REG, 0x00 ); /* it back. */
if (ecoscsi_read (instance, MODE_REG) != 0x00) {
scsi_unregister(instance);
return 0;
}
NCR5380_init(instance, 0);
if (request_region (instance->io_port, instance->n_io_port, "ecoscsi") == NULL) {
scsi_unregister(instance);
return 0;
}
if (instance->irq != IRQ_NONE)
if (request_irq(instance->irq, do_ecoscsi_intr, SA_INTERRUPT, "ecoscsi", NULL)) {
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = IRQ_NONE;
}
if (instance->irq != IRQ_NONE) {
printk("scsi%d: eek! Interrupts enabled, but I don't think\n", instance->host_no);
printk("scsi%d: that the board had an interrupt!\n", instance->host_no);
}
printk("scsi%d: at port %X irq", instance->host_no, instance->io_port);
if (instance->irq == IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
CAN_QUEUE, CMD_PER_LUN, ECOSCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
return 1;
}
int oakscsi_detect(Scsi_Host_Template * tpnt)
{
int count = 0;
struct Scsi_Host *instance;
tpnt->proc_name = "oakscsi";
memset (ecs, 0, sizeof (ecs));
ecard_startfind ();
while(1) {
if ((ecs[count] = ecard_find(0, oakscsi_cids)) == NULL)
break;
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
instance->io_port = OAK_ADDRESS(ecs[count]);
instance->irq = OAK_IRQ(ecs[count]);
NCR5380_init(instance, 0);
ecard_claim(ecs[count]);
instance->n_io_port = 255;
request_region (instance->io_port, instance->n_io_port, "Oak SCSI");
if (instance->irq != IRQ_NONE)
if (request_irq(instance->irq, do_oakscsi_intr, SA_INTERRUPT, "Oak SCSI", NULL)) {
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = IRQ_NONE;
}
if (instance->irq != IRQ_NONE) {
printk("scsi%d: eek! Interrupts enabled, but I don't think\n", instance->host_no);
printk("scsi%d: that the board had an interrupt!\n", instance->host_no);
}
printk("scsi%d: at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
tpnt->can_queue, tpnt->cmd_per_lun, OAKSCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
++count;
}
#ifdef MODULE
if(count == 0)
printk("No oak scsi devices found\n");
#endif
return count;
}
static int __devinit
cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
if (!host)
goto out;
host->io_port = ecard_address(ec, ECARD_IOC, ECARD_SLOW) + 0x800;
host->irq = ec->irq;
NCR5380_init(host, 0);
host->n_io_port = 255;
if (!(request_region(host->io_port, host->n_io_port, "CumanaSCSI-1"))) {
ret = -EBUSY;
goto out_free;
}
((struct NCR5380_hostdata *)host->hostdata)->ctrl = 0;
outb(0x00, host->io_port - 577);
ret = request_irq(host->irq, cumanascsi_intr, SA_INTERRUPT,
"CumanaSCSI-1", host);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, host->irq, ret);
goto out_release;
}
printk("scsi%d: at port 0x%08lx irq %d",
host->host_no, host->io_port, host->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, CUMANASCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_free_irq;
scsi_scan_host(host);
goto out;
out_free_irq:
free_irq(host->irq, host);
out_release:
release_region(host->io_port, host->n_io_port);
out_free:
scsi_host_put(host);
out:
return ret;
}
int cumanascsi_detect(Scsi_Host_Template * tpnt)
{
int count = 0;
struct Scsi_Host *instance;
tpnt->proc_name = "CumanaSCSI-1";
memset (ecs, 0, sizeof (ecs));
while(1) {
if((ecs[count] = ecard_find(0, cumanascsi_cids)) == NULL)
break;
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
instance->io_port = CUMANA_ADDRESS(ecs[count]);
instance->irq = CUMANA_IRQ(ecs[count]);
NCR5380_init(instance, 0);
ecard_claim(ecs[count]);
instance->n_io_port = 255;
request_region (instance->io_port, instance->n_io_port, "CumanaSCSI-1");
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
outb(0x00, instance->io_port - 577);
if (instance->irq != IRQ_NONE)
if (request_irq(instance->irq, do_cumanascsi_intr, SA_INTERRUPT, "CumanaSCSI-1", NULL)) {
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = IRQ_NONE;
}
if (instance->irq == IRQ_NONE) {
printk("scsi%d: interrupts not enabled. for better interactive performance,\n", instance->host_no);
printk("scsi%d: please jumper the board for a free IRQ.\n", instance->host_no);
}
printk("scsi%d: at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
tpnt->can_queue, tpnt->cmd_per_lun, CUMANASCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
++count;
}
return count;
}
static int __devinit
oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
ret = ecard_request_resources(ec);
if (ret)
goto out;
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto release;
}
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
ecard_resource_len(ec, ECARD_RES_MEMC));
if (!priv(host)->base) {
ret = -ENOMEM;
goto unreg;
}
host->irq = IRQ_NONE;
host->n_io_port = 255;
NCR5380_init(host, 0);
printk("scsi%d: at port 0x%08lx irqs disabled",
host->host_no, host->io_port);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, OAKSCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_unmap;
scsi_scan_host(host);
goto out;
out_unmap:
iounmap(priv(host)->base);
unreg:
scsi_host_put(host);
release:
ecard_release_resources(ec);
out:
return ret;
}
static int __devinit
oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret = -ENOMEM;
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host)
goto out;
host->io_port = ecard_address(ec, ECARD_MEMC, 0);
host->irq = IRQ_NONE;
host->n_io_port = 255;
ret = -EBUSY;
if (!request_region (host->io_port, host->n_io_port, "Oak SCSI"))
goto unreg;
NCR5380_init(host, 0);
printk("scsi%d: at port 0x%08lx irqs disabled",
host->host_no, host->io_port);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, OAKSCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_release;
scsi_scan_host(host);
goto out;
out_release:
release_region(host->io_port, host->n_io_port);
unreg:
scsi_host_put(host);
out:
return ret;
}
static int sun3scsi_detect(struct scsi_host_template * tpnt)
{
unsigned long ioaddr, irq = 0;
static int called = 0;
struct Scsi_Host *instance;
int i;
unsigned long addrs[3] = { IOBASE_SUN3_VMESCSI,
IOBASE_SUN3_VMESCSI + 0x4000,
0 };
unsigned long vecs[3] = { SUN3_VEC_VMESCSI0,
SUN3_VEC_VMESCSI1,
0 };
/* check that this machine has an onboard 5380 */
switch(idprom->id_machtype) {
case SM_SUN3|SM_3_160:
case SM_SUN3|SM_3_260:
break;
default:
return 0;
}
if(called)
return 0;
tpnt->proc_name = "Sun3 5380 VME SCSI";
/* setup variables */
tpnt->can_queue =
(setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize =
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else {
/* use 7 as default */
tpnt->this_id = 7;
}
ioaddr = 0;
for(i = 0; addrs[i] != 0; i++) {
unsigned char x;
ioaddr = (unsigned long)sun3_ioremap(addrs[i], PAGE_SIZE,
SUN3_PAGE_TYPE_VME16);
irq = vecs[i];
sun3_scsi_regp = (unsigned char *)ioaddr;
dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8);
if(sun3_map_test((unsigned long)dregs, &x)) {
unsigned short oldcsr;
oldcsr = dregs->csr;
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
if(dregs->csr == 0x1400)
break;
dregs->csr = oldcsr;
}
iounmap((void *)ioaddr);
ioaddr = 0;
}
if(!ioaddr)
return 0;
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = USE_TAGGED_QUEUING;
#endif
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
if(instance == NULL)
return 0;
default_instance = instance;
instance->io_port = (unsigned long) ioaddr;
instance->irq = irq;
NCR5380_init(instance, 0);
instance->n_io_port = 32;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (request_irq(instance->irq, scsi_sun3_intr,
0, "Sun3SCSI-5380VME", instance)) {
#ifndef REAL_DMA
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = SCSI_IRQ_NONE;
#else
printk("scsi%d: IRQ%d not free, bailing out\n",
instance->host_no, instance->irq);
return 0;
#endif
}
printk("scsi%d: Sun3 5380 VME at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == SCSI_IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun,
SUN3SCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR;
udelay(SUN3_DMA_DELAY);
dregs->fifo_count = 0;
dregs->fifo_count_hi = 0;
dregs->dma_addr_hi = 0;
dregs->dma_addr_lo = 0;
dregs->dma_count_hi = 0;
dregs->dma_count_lo = 0;
dregs->ivect = VME_DATA24 | (instance->irq & 0xff);
called = 1;
#ifdef RESET_BOOT
sun3_scsi_reset_boot(instance);
#endif
return 1;
}
int sun3scsi_detect(Scsi_Host_Template * tpnt)
{
unsigned long ioaddr, iopte;
int count = 0;
static int called = 0;
struct Scsi_Host *instance;
if(called)
return 0;
tpnt->proc_name = "Sun3 5380 SCSI";
/* setup variables */
tpnt->can_queue =
(setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize =
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else {
/* use 7 as default */
tpnt->this_id = 7;
}
/* Taken from Sammy's lance driver: */
/* IOBASE_SUN3_SCSI can be found within the IO pmeg with some effort */
for(ioaddr = 0xfe00000; ioaddr < (0xfe00000 + SUN3_PMEG_SIZE);
ioaddr += SUN3_PTE_SIZE) {
iopte = sun3_get_pte(ioaddr);
if(!(iopte & SUN3_PAGE_TYPE_IO)) /* this an io page? */
continue;
if(((iopte & SUN3_PAGE_PGNUM_MASK) << PAGE_SHIFT) ==
IOBASE_SUN3_SCSI) {
count = 1;
break;
}
}
if(!count) {
printk("No Sun3 NCR5380 found!\n");
return 0;
}
sun3_scsi_regp = (unsigned char *)ioaddr;
dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8);
if((dmabuf = sun3_dvma_malloc(SUN3_DVMA_BUFSIZE)) == NULL) {
printk("SUN3 Scsi couldn't allocate DVMA memory!\n");
return 0;
}
if((udc_regs = sun3_dvma_malloc(sizeof(struct sun3_udc_regs)))
== NULL) {
printk("SUN3 Scsi couldn't allocate DVMA memory!\n");
return 0;
}
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = DEFAULT_USE_TAGGED_QUEUING;
#endif
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
if(instance == NULL)
return 0;
default_instance = instance;
instance->io_port = (unsigned long) ioaddr;
instance->irq = IRQ_SUN3_SCSI;
NCR5380_init(instance, 0);
instance->n_io_port = 32;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (request_irq(instance->irq, scsi_sun3_intr,
0, "Sun3SCSI-5380", NULL)) {
#ifndef REAL_DMA
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = IRQ_NONE;
#else
printk("scsi%d: IRQ%d not free, bailing out\n",
instance->host_no, instance->irq);
return 0;
#endif
}
printk("scsi%d: Sun3 5380 at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun,
SUN3SCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR;
udelay(SUN3_DMA_DELAY);
dregs->fifo_count = 0;
called = 1;
return 1;
}
int sun3scsi_detect(struct scsi_host_template * tpnt)
{
unsigned long ioaddr;
static int called = 0;
struct Scsi_Host *instance;
/* check that this machine has an onboard 5380 */
switch(idprom->id_machtype) {
case SM_SUN3|SM_3_50:
case SM_SUN3|SM_3_60:
break;
default:
return 0;
}
if(called)
return 0;
tpnt->proc_name = "Sun3 5380 SCSI";
/* setup variables */
tpnt->can_queue =
(setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize =
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else {
/* use 7 as default */
tpnt->this_id = 7;
}
ioaddr = (unsigned long)ioremap(IOBASE_SUN3_SCSI, PAGE_SIZE);
sun3_scsi_regp = (unsigned char *)ioaddr;
dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8);
if((udc_regs = dvma_malloc(sizeof(struct sun3_udc_regs)))
== NULL) {
printk("SUN3 Scsi couldn't allocate DVMA memory!\n");
return 0;
}
#ifdef OLDDMA
if((dmabuf = dvma_malloc_align(SUN3_DVMA_BUFSIZE, 0x10000)) == NULL) {
printk("SUN3 Scsi couldn't allocate DVMA memory!\n");
return 0;
}
#endif
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = USE_TAGGED_QUEUING;
#endif
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
if(instance == NULL)
return 0;
default_instance = instance;
instance->io_port = (unsigned long) ioaddr;
instance->irq = IRQ_SUN3_SCSI;
NCR5380_init(instance, 0);
instance->n_io_port = 32;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (request_irq(instance->irq, scsi_sun3_intr,
0, "Sun3SCSI-5380", instance)) {
#ifndef REAL_DMA
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = SCSI_IRQ_NONE;
#else
printk("scsi%d: IRQ%d not free, bailing out\n",
instance->host_no, instance->irq);
return 0;
#endif
}
printk("scsi%d: Sun3 5380 at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == SCSI_IRQ_NONE)
printk ("s disabled");
else
printk (" %d", instance->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun,
SUN3SCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
dregs->csr = 0;
udelay(SUN3_DMA_DELAY);
dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR;
udelay(SUN3_DMA_DELAY);
dregs->fifo_count = 0;
called = 1;
#ifdef RESET_BOOT
sun3_scsi_reset_boot(instance);
#endif
return 1;
}
int macscsi_detect(struct scsi_host_template * tpnt)
{
static int called = 0;
int flags = 0;
struct Scsi_Host *instance;
if (!MACH_IS_MAC || called)
return( 0 );
if (macintosh_config->scsi_type != MAC_SCSI_OLD)
return( 0 );
/* setup variables */
tpnt->can_queue =
(setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize =
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else {
/* use 7 as default */
tpnt->this_id = 7;
}
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = USE_TAGGED_QUEUING;
#endif
/* Once we support multiple 5380s (e.g. DuoDock) we'll do
something different here */
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
#if NDEBUG
default_instance = instance;
#endif
if (macintosh_config->ident == MAC_MODEL_IIFX) {
mac_scsi_regp = via1+0x8000;
mac_scsi_drq = via1+0xE000;
mac_scsi_nodrq = via1+0xC000;
/* The IIFX should be able to do true DMA, but pseudo-dma doesn't work */
flags = FLAG_NO_PSEUDO_DMA;
} else {
mac_scsi_regp = via1+0x10000;
mac_scsi_drq = via1+0x6000;
mac_scsi_nodrq = via1+0x12000;
}
if (! setup_use_pdma)
flags = FLAG_NO_PSEUDO_DMA;
instance->io_port = (unsigned long) mac_scsi_regp;
instance->irq = IRQ_MAC_SCSI;
#ifdef RESET_BOOT
mac_scsi_reset_boot(instance);
#endif
NCR5380_init(instance, flags);
instance->n_io_port = 255;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (instance->irq != SCSI_IRQ_NONE)
if (request_irq(instance->irq, NCR5380_intr, IRQ_FLG_SLOW,
"ncr5380", instance)) {
printk(KERN_WARNING "scsi%d: IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = SCSI_IRQ_NONE;
}
printk(KERN_INFO "scsi%d: generic 5380 at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == SCSI_IRQ_NONE)
printk (KERN_INFO "s disabled");
else
printk (KERN_INFO " %d", instance->irq);
printk(KERN_INFO " options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun, MACSCSI_PUBLIC_RELEASE);
printk(KERN_INFO "\nscsi%d:", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
called = 1;
return 1;
}
int atari_scsi_detect (Scsi_Host_Template *host)
{
static int called = 0;
struct Scsi_Host *instance;
if (!MACH_IS_ATARI ||
(!ATARIHW_PRESENT(ST_SCSI) && !ATARIHW_PRESENT(TT_SCSI)) ||
called)
return( 0 );
host->proc_name = "Atari";
atari_scsi_reg_read = IS_A_TT() ? atari_scsi_tt_reg_read :
atari_scsi_falcon_reg_read;
atari_scsi_reg_write = IS_A_TT() ? atari_scsi_tt_reg_write :
atari_scsi_falcon_reg_write;
/* setup variables */
host->can_queue =
(setup_can_queue > 0) ? setup_can_queue :
IS_A_TT() ? ATARI_TT_CAN_QUEUE : ATARI_FALCON_CAN_QUEUE;
host->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun :
IS_A_TT() ? ATARI_TT_CMD_PER_LUN : ATARI_FALCON_CMD_PER_LUN;
/* Force sg_tablesize to 0 on a Falcon! */
host->sg_tablesize =
!IS_A_TT() ? ATARI_FALCON_SG_TABLESIZE :
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : ATARI_TT_SG_TABLESIZE;
if (setup_hostid >= 0)
host->this_id = setup_hostid;
else {
/* use 7 as default */
host->this_id = 7;
/* Test if a host id is set in the NVRam */
if (ATARIHW_PRESENT(TT_CLK) && nvram_check_checksum()) {
unsigned char b = nvram_read_byte( 14 );
/* Arbitration enabled? (for TOS) If yes, use configured host ID */
if (b & 0x80)
host->this_id = b & 7;
}
}
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = DEFAULT_USE_TAGGED_QUEUING;
#endif
#ifdef REAL_DMA
/* If running on a Falcon and if there's TT-Ram (i.e., more than one
* memory block, since there's always ST-Ram in a Falcon), then allocate a
* STRAM_BUFFER_SIZE byte dribble buffer for transfers from/to alternative
* Ram.
*/
if (MACH_IS_ATARI && ATARIHW_PRESENT(ST_SCSI) &&
!ATARIHW_PRESENT(EXTD_DMA) && m68k_num_memory > 1) {
atari_dma_buffer = atari_stram_alloc(STRAM_BUFFER_SIZE, "SCSI");
if (!atari_dma_buffer) {
printk( KERN_ERR "atari_scsi_detect: can't allocate ST-RAM "
"double buffer\n" );
return( 0 );
}
atari_dma_phys_buffer = virt_to_phys( atari_dma_buffer );
atari_dma_orig_addr = 0;
}
#endif
instance = scsi_register (host, sizeof (struct NCR5380_hostdata));
if(instance == NULL)
{
atari_stram_free(atari_dma_buffer);
atari_dma_buffer = 0;
return 0;
}
atari_scsi_host = instance;
/* Set irq to 0, to avoid that the mid-level code disables our interrupt
* during queue_command calls. This is completely unnecessary, and even
* worse causes bad problems on the Falcon, where the int is shared with
* IDE and floppy! */
instance->irq = 0;
#ifdef CONFIG_ATARI_SCSI_RESET_BOOT
atari_scsi_reset_boot();
#endif
NCR5380_init (instance, 0);
if (IS_A_TT()) {
/* This int is actually "pseudo-slow", i.e. it acts like a slow
* interrupt after having cleared the pending flag for the DMA
* interrupt. */
if (request_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr, IRQ_TYPE_SLOW,
"SCSI NCR5380", scsi_tt_intr)) {
printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting",IRQ_TT_MFP_SCSI);
scsi_unregister(atari_scsi_host);
atari_stram_free(atari_dma_buffer);
atari_dma_buffer = 0;
return 0;
}
tt_mfp.active_edge |= 0x80; /* SCSI int on L->H */
#ifdef REAL_DMA
tt_scsi_dma.dma_ctrl = 0;
atari_dma_residual = 0;
#ifdef CONFIG_TT_DMA_EMUL
if (MACH_IS_HADES) {
if (request_irq(IRQ_AUTO_2, hades_dma_emulator,
IRQ_TYPE_PRIO, "Hades DMA emulator",
hades_dma_emulator)) {
printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting (MACH_IS_HADES)",IRQ_AUTO_2);
free_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr);
scsi_unregister(atari_scsi_host);
atari_stram_free(atari_dma_buffer);
atari_dma_buffer = 0;
return 0;
}
}
#endif
if (MACH_IS_MEDUSA || MACH_IS_HADES) {
/* While the read overruns (described by Drew Eckhardt in
* NCR5380.c) never happened on TTs, they do in fact on the Medusa
* (This was the cause why SCSI didn't work right for so long
* there.) Since handling the overruns slows down a bit, I turned
* the #ifdef's into a runtime condition.
*
* In principle it should be sufficient to do max. 1 byte with
* PIO, but there is another problem on the Medusa with the DMA
* rest data register. So 'atari_read_overruns' is currently set
* to 4 to avoid having transfers that aren't a multiple of 4. If
* the rest data bug is fixed, this can be lowered to 1.
*/
atari_read_overruns = 4;
}
#endif /*REAL_DMA*/
}
else { /* ! IS_A_TT */
/* Nothing to do for the interrupt: the ST-DMA is initialized
* already by atari_init_INTS()
*/
#ifdef REAL_DMA
atari_dma_residual = 0;
atari_dma_active = 0;
atari_dma_stram_mask = (ATARIHW_PRESENT(EXTD_DMA) ? 0x00000000
: 0xff000000);
#endif
}
printk(KERN_INFO "scsi%d: options CAN_QUEUE=%d CMD_PER_LUN=%d SCAT-GAT=%d "
#ifdef SUPPORT_TAGS
"TAGGED-QUEUING=%s "
#endif
"HOSTID=%d",
instance->host_no, instance->hostt->can_queue,
instance->hostt->cmd_per_lun,
instance->hostt->sg_tablesize,
#ifdef SUPPORT_TAGS
setup_use_tagged_queuing ? "yes" : "no",
#endif
instance->hostt->this_id );
NCR5380_print_options (instance);
printk ("\n");
called = 1;
return( 1 );
}
static int __devinit
cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
int ret;
ret = ecard_request_resources(ec);
if (ret)
goto out;
host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto out_release;
}
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCSLOW),
ecard_resource_len(ec, ECARD_RES_IOCSLOW));
priv(host)->dma = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
ecard_resource_len(ec, ECARD_RES_MEMC));
if (!priv(host)->base || !priv(host)->dma) {
ret = -ENOMEM;
goto out_unmap;
}
host->irq = ec->irq;
NCR5380_init(host, 0);
priv(host)->ctrl = 0;
writeb(0, priv(host)->base + CTRL);
host->n_io_port = 255;
if (!(request_region(host->io_port, host->n_io_port, "CumanaSCSI-1"))) {
ret = -EBUSY;
goto out_unmap;
}
ret = request_irq(host->irq, cumanascsi_intr, IRQF_DISABLED,
"CumanaSCSI-1", host);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, host->irq, ret);
goto out_unmap;
}
printk("scsi%d: at port 0x%08lx irq %d",
host->host_no, host->io_port, host->irq);
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
host->can_queue, host->cmd_per_lun, CUMANASCSI_PUBLIC_RELEASE);
printk("\nscsi%d:", host->host_no);
NCR5380_print_options(host);
printk("\n");
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_free_irq;
scsi_scan_host(host);
goto out;
out_free_irq:
free_irq(host->irq, host);
out_unmap:
iounmap(priv(host)->base);
iounmap(priv(host)->dma);
scsi_host_put(host);
out_release:
ecard_release_resources(ec);
out:
return ret;
}
int atari_scsi_detect (Scsi_Host_Template *host)
{
static int called = 0;
struct Scsi_Host *instance;
if (!MACH_IS_ATARI ||
(!ATARIHW_PRESENT(ST_SCSI) && !ATARIHW_PRESENT(TT_SCSI)) ||
called)
return( 0 );
host->proc_dir = &proc_scsi_atari;
atari_scsi_reg_read = IS_A_TT() ? atari_scsi_tt_reg_read :
atari_scsi_falcon_reg_read;
atari_scsi_reg_write = IS_A_TT() ? atari_scsi_tt_reg_write :
atari_scsi_falcon_reg_write;
/* setup variables */
host->can_queue =
(setup_can_queue > 0) ? setup_can_queue :
IS_A_TT() ? ATARI_TT_CAN_QUEUE : ATARI_FALCON_CAN_QUEUE;
host->cmd_per_lun =
(setup_cmd_per_lun > 0) ? setup_cmd_per_lun :
IS_A_TT() ? ATARI_TT_CMD_PER_LUN : ATARI_FALCON_CMD_PER_LUN;
/* Force sg_tablesize to 0 on a Falcon! */
host->sg_tablesize =
!IS_A_TT() ? ATARI_FALCON_SG_TABLESIZE :
(setup_sg_tablesize >= 0) ? setup_sg_tablesize : ATARI_TT_SG_TABLESIZE;
if (setup_hostid >= 0)
host->this_id = setup_hostid;
else {
/* use 7 as default */
host->this_id = 7;
/* Test if a host id is set in the NVRam */
if (ATARIHW_PRESENT(TT_CLK)) {
unsigned char sum = 0, b;
int i;
/* Make checksum */
for( i = 14; i < 62; ++i )
sum += RTC_READ(i);
if (/* NV-Ram checksum valid? */
RTC_READ(62) == sum && RTC_READ(63) == ~sum &&
/* Arbitration enabled? (for TOS) */
(b = RTC_READ( 30 )) & 0x80) {
host->this_id = b & 7;
}
}
}
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = DEFAULT_USE_TAGGED_QUEUING;
#endif
/* If running on a Falcon and if there's TT-Ram (i.e., more than one
* memory block, since there's always ST-Ram in a Falcon), then allocate a
* STRAM_BUFFER_SIZE byte dribble buffer for transfers from/to alternative
* Ram.
*/
if (MACH_IS_ATARI && ATARIHW_PRESENT(ST_SCSI) &&
!ATARIHW_PRESENT(EXTD_DMA) && boot_info.num_memory > 1) {
atari_dma_buffer = scsi_init_malloc(STRAM_BUFFER_SIZE,
GFP_ATOMIC | GFP_DMA);
atari_dma_phys_buffer = VTOP( atari_dma_buffer );
atari_dma_orig_addr = 0;
}
instance = scsi_register (host, sizeof (struct NCR5380_hostdata));
atari_scsi_host = instance;
instance->irq = IS_A_TT() ? IRQ_TT_MFP_SCSI : IRQ_MFP_FSCSI;
atari_scsi_reset_boot();
NCR5380_init (instance, 0);
if (IS_A_TT()) {
/* This int is actually "pseudo-slow", i.e. it acts like a slow
* interrupt after having cleared the pending flag for the DMA
* interrupt. */
add_isr(IRQ_TT_MFP_SCSI, scsi_tt_intr, IRQ_TYPE_SLOW,
NULL, "SCSI NCR5380");
tt_mfp.active_edge |= 0x80; /* SCSI int on L->H */
#ifdef REAL_DMA
tt_scsi_dma.dma_ctrl = 0;
atari_dma_residual = 0;
#endif /* REAL_DMA */
if (is_medusa) {
/* While the read overruns (described by Drew Eckhardt in
* NCR5380.c) never happened on TTs, they do in fact on the Medusa
* (This was the cause why SCSI didn't work right for so long
* there.) Since handling the overruns slows down a bit, I turned
* the #ifdef's into a runtime condition.
*
* In principle it should be sufficient to do max. 1 byte with
* PIO, but there is another problem on the Medusa with the DMA
* rest data register. So 'atari_read_overruns' is currently set
* to 4 to avoid having transfers that aren't a multiple of 4. If
* the rest data bug is fixed, this can be lowered to 1.
*/
atari_read_overruns = 4;
}
}
else { /* ! IS_A_TT */
/* Nothing to do for the interrupt: the ST-DMA is initialized
* already by atari_init_INTS()
*/
#ifdef REAL_DMA
atari_dma_residual = 0;
atari_dma_active = 0;
atari_dma_stram_mask = (ATARIHW_PRESENT(EXTD_DMA) ? 0x00000000
: 0xff000000);
#endif
}
printk(KERN_INFO "scsi%d: options CAN_QUEUE=%d CMD_PER_LUN=%d SCAT-GAT=%d "
#ifdef SUPPORT_TAGS
"TAGGED-QUEUING=%s "
#endif
"HOSTID=%d",
instance->host_no, instance->hostt->can_queue,
instance->hostt->cmd_per_lun,
instance->hostt->sg_tablesize,
#ifdef SUPPORT_TAGS
setup_use_tagged_queuing ? "yes" : "no",
#endif
instance->hostt->this_id );
NCR5380_print_options (instance);
printk ("\n");
called = 1;
return( 1 );
}
int nbpmacscsi_detect(struct scsi_host_template * tpnt)
{
int flags = 0;
struct Scsi_Host *instance;
struct device_node *dp;
const u32 *reg;
if (called)
return( 0 );
// dp = find_devices("5380");
dp = of_find_node_by_name(NULL, "5380");
if (!dp)
return 0;
reg = of_get_property(dp, "reg", NULL);
if (reg == NULL) {
printk(KERN_ERR "nbpmac5380: No \"reg\" property !\n");
of_node_put(dp);
return 0;
}
tpnt->proc_name = "nbpmac5380";
/* setup variables */
tpnt->can_queue = (setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE;
tpnt->cmd_per_lun = (setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN;
tpnt->sg_tablesize = (setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE;
if (setup_hostid >= 0)
tpnt->this_id = setup_hostid;
else
/* use 7 as default */
tpnt->this_id = 7;
#ifdef SUPPORT_TAGS
if (setup_use_tagged_queuing < 0)
setup_use_tagged_queuing = USE_TAGGED_QUEUING;
#endif
/* Once we support multiple 5380s (e.g. DuoDock) we'll do
something different here */
instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata));
#if NDEBUG
default_instance = instance;
#endif
/* mac68k source says multiple device support is broken */
mac_scsi_regp = (volatile unsigned char *)
of_iomap(dp, 0);
mac_scsi_drq = (volatile unsigned char *)
of_iomap(dp, 1);
mac_scsi_nodrq = (volatile unsigned char *)
of_iomap(dp, 2);
if (! setup_use_pdma)
flags = FLAG_NO_PSEUDO_DMA;
instance->io_port = (unsigned long) mac_scsi_regp;
instance->irq = irq_of_parse_and_map(dp, 0);
instance->n_io_port = 255;
((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0;
if (instance->irq != SCSI_IRQ_NONE)
if (request_irq(instance->irq, NCR5380_intr, 0, "ncr5380", instance)) {
printk("scsi%d : IRQ%d not free, interrupts disabled\n",
instance->host_no, instance->irq);
instance->irq = SCSI_IRQ_NONE;
}
#ifdef DRQ_INTERRUPT
drq = irq_of_parse_and_map(vias, 1);
request_irq(drq, macscsi_dma_intr, 0, "ncr5380 DRQ", instance);
#endif
of_node_put(dp);
#ifdef RESET_BOOT
mac_scsi_reset_boot(instance);
#endif
flags |= FLAG_HAS_LAST_BYTE_SENT;
NCR5380_init(instance, flags);
printk(KERN_INFO "scsi%d : generic 5380 at port %lX irq", instance->host_no, instance->io_port);
if (instance->irq == SCSI_IRQ_NONE)
printk (KERN_INFO "s disabled");
else
printk (KERN_INFO " %d", instance->irq);
printk(KERN_INFO " options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
instance->can_queue, instance->cmd_per_lun, MACSCSI_PUBLIC_RELEASE);
printk(KERN_INFO "\nscsi%d :", instance->host_no);
NCR5380_print_options(instance);
printk("\n");
called = 1;
return 1;
}