static int mts_scsi_detect (struct SHT * sht)
{
/* Whole function stolen from usb-storage */
struct mts_desc * desc = (struct mts_desc *)sht->proc_dir;
/* What a hideous hack! */
char local_name[48];
MTS_DEBUG_GOT_HERE();
/* set up the name of our subdirectory under /proc/scsi/ */
sprintf(local_name, "microtek-%d", desc->host_number);
sht->proc_name = kmalloc (strlen(local_name) + 1, GFP_KERNEL);
/* FIXME: where is this freed ? */
if (!sht->proc_name) {
MTS_ERROR( "unable to allocate memory for proc interface!!\n" );
return 0;
}
strcpy(sht->proc_name, local_name);
sht->proc_dir = NULL;
/* In host->hostdata we store a pointer to desc */
desc->host = scsi_register(sht, sizeof(desc));
desc->host->hostdata[0] = (unsigned long)desc;
/* FIXME: what if sizeof(void*) != sizeof(unsigned long)? */
return 1;
}
/* detect a virtual adapter (always works) */
static int detect(struct SHT *sht)
{
struct us_data *us;
char local_name[32];
/* Note: this function gets called with io_request_lock spinlock helt! */
/* This is not nice at all, but how else are we to get the
* data here? */
us = (struct us_data *)sht->proc_dir;
/* set up the name of our subdirectory under /proc/scsi/ */
sprintf(local_name, "usb-storage-%d", us->host_number);
sht->proc_name = kmalloc (strlen(local_name) + 1, GFP_ATOMIC);
if (!sht->proc_name)
return 0;
strcpy(sht->proc_name, local_name);
/* we start with no /proc directory entry */
sht->proc_dir = NULL;
/* register the host */
us->host = scsi_register(sht, sizeof(us));
if (us->host) {
us->host->hostdata[0] = (unsigned long)us;
us->host_no = us->host->host_no;
return 1;
}
/* odd... didn't register properly. Abort and free pointers */
kfree(sht->proc_name);
sht->proc_name = NULL;
return 0;
}
int a3000_detect(Scsi_Host_Template *tpnt)
{
static unsigned char called = 0;
if (called)
return 0;
if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
return 0;
tpnt->proc_dir = &proc_scsi_a3000;
tpnt->proc_info = &wd33c93_proc_info;
a3000_host = scsi_register (tpnt, sizeof(struct WD33C93_hostdata));
a3000_host->base = (unsigned char *)ZTWO_VADDR(0xDD0000);
a3000_host->irq = IRQ_AMIGA_PORTS & ~IRQ_MACHSPEC;
DMA(a3000_host)->DAWR = DAWR_A3000;
wd33c93_init(a3000_host, (wd33c93_regs *)&(DMA(a3000_host)->SASR),
dma_setup, dma_stop, WD33C93_FS_12_15);
request_irq(IRQ_AMIGA_PORTS, a3000_intr, 0, "A3000 SCSI", a3000_intr);
DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
called = 1;
return 1;
}
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;
}
int mvme147_detect(struct scsi_host_template *tpnt)
{
static unsigned char called = 0;
struct Scsi_Host *instance;
wd33c93_regs regs;
struct WD33C93_hostdata *hdata;
if (!MACH_IS_MVME147 || called)
return 0;
called++;
tpnt->proc_name = "MVME147";
tpnt->proc_info = &wd33c93_proc_info;
instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
if (!instance)
goto err_out;
instance->base = 0xfffe4000;
instance->irq = MVME147_IRQ_SCSI_PORT;
regs.SASR = (volatile unsigned char *)0xfffe4000;
regs.SCMD = (volatile unsigned char *)0xfffe4001;
hdata = shost_priv(instance);
hdata->no_sync = 0xff;
hdata->fast = 0;
hdata->dma_mode = CTRL_DMA;
wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0,
"MVME147 SCSI PORT", instance))
goto err_unregister;
if (request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0,
"MVME147 SCSI DMA", instance))
goto err_free_irq;
#if 0 /* Disabled; causes problems booting */
m147_pcc->scsi_interrupt = 0x10; /* Assert SCSI bus reset */
udelay(100);
m147_pcc->scsi_interrupt = 0x00; /* Negate SCSI bus reset */
udelay(2000);
m147_pcc->scsi_interrupt = 0x40; /* Clear bus reset interrupt */
#endif
m147_pcc->scsi_interrupt = 0x09; /* Enable interrupt */
m147_pcc->dma_cntrl = 0x00; /* ensure DMA is stopped */
m147_pcc->dma_intr = 0x89; /* Ack and enable ints */
return 1;
err_free_irq:
free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
err_unregister:
scsi_unregister(instance);
err_out:
return 0;
}
static int __init a2091_detect(struct scsi_host_template *tpnt)
{
static unsigned char called = 0;
struct Scsi_Host *instance;
unsigned long address;
struct zorro_dev *z = NULL;
wd33c93_regs regs;
int num_a2091 = 0;
if (!MACH_IS_AMIGA || called)
return 0;
called = 1;
tpnt->proc_name = "A2091";
tpnt->proc_info = &wd33c93_proc_info;
while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
z->id != ZORRO_PROD_CBM_A590_A2091_2)
continue;
address = z->resource.start;
if (!request_mem_region(address, 256, "wd33c93"))
continue;
instance = scsi_register (tpnt, sizeof (struct WD33C93_hostdata));
if (instance == NULL)
goto release;
instance->base = ZTWO_VADDR(address);
instance->irq = IRQ_AMIGA_PORTS;
instance->unique_id = z->slotaddr;
DMA(instance)->DAWR = DAWR_A2091;
regs.SASR = &(DMA(instance)->SASR);
regs.SCMD = &(DMA(instance)->SCMD);
HDATA(instance)->no_sync = 0xff;
HDATA(instance)->fast = 0;
HDATA(instance)->dma_mode = CTRL_DMA;
wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
instance))
goto unregister;
DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
num_a2091++;
continue;
unregister:
scsi_unregister(instance);
wd33c93_release();
release:
release_mem_region(address, 256);
}
return num_a2091;
}
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 __init dmx3191d_detect(Scsi_Host_Template *tmpl) {
int boards = 0;
struct Scsi_Host *instance = NULL;
struct pci_dev *pdev = NULL;
tmpl->proc_name = DMX3191D_DRIVER_NAME;
while ((pdev = pci_find_device(PCI_VENDOR_ID_DOMEX,
PCI_DEVICE_ID_DOMEX_DMX3191D, pdev))) {
unsigned long port;
if (pci_enable_device(pdev))
continue;
port = pci_resource_start (pdev, 0);
if (!request_region(port, DMX3191D_REGION, DMX3191D_DRIVER_NAME)) {
printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n",
port, port + DMX3191D_REGION);
continue;
}
instance = scsi_register(tmpl, sizeof(struct NCR5380_hostdata));
if(instance == NULL)
{
release_region(port, DMX3191D_REGION);
continue;
}
scsi_set_device(instance, &pdev->dev);
instance->io_port = port;
instance->irq = pdev->irq;
NCR5380_init(instance, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E);
if (request_irq(pdev->irq, dmx3191d_intr, SA_SHIRQ,
DMX3191D_DRIVER_NAME, instance)) {
printk(KERN_WARNING "dmx3191: IRQ %d not available - switching to polled mode.\n", pdev->irq);
/* Steam powered scsi controllers run without an IRQ
anyway */
instance->irq = SCSI_IRQ_NONE;
}
boards++;
}
return boards;
}
int __init a3000_detect(struct scsi_host_template *tpnt)
{
wd33c93_regs regs;
if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
return 0;
if (!request_mem_region(0xDD0000, 256, "wd33c93"))
return 0;
tpnt->proc_name = "A3000";
tpnt->proc_info = &wd33c93_proc_info;
a3000_host = scsi_register (tpnt, sizeof(struct WD33C93_hostdata));
if (a3000_host == NULL)
goto fail_register;
a3000_host->base = ZTWO_VADDR(0xDD0000);
a3000_host->irq = IRQ_AMIGA_PORTS;
DMA(a3000_host)->DAWR = DAWR_A3000;
regs.SASR = &(DMA(a3000_host)->SASR);
regs.SCMD = &(DMA(a3000_host)->SCMD);
HDATA(a3000_host)->no_sync = 0xff;
HDATA(a3000_host)->fast = 0;
HDATA(a3000_host)->dma_mode = CTRL_DMA;
wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
a3000_intr))
goto fail_irq;
DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
return 1;
fail_irq:
wd33c93_release();
scsi_unregister(a3000_host);
fail_register:
release_mem_region(0xDD0000, 256);
return 0;
}
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 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 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;
}
static int port_detect \
(unsigned long port_base, unsigned int j, struct scsi_host_template *tpnt) {
unsigned char irq, dma_channel, subversion, i;
unsigned char in_byte;
char *bus_type, dma_name[16];
/* Allowed BIOS base addresses (NULL indicates reserved) */
unsigned long bios_segment_table[8] = {
0,
0xc4000, 0xc8000, 0xcc000, 0xd0000,
0xd4000, 0xd8000, 0xdc000
};
/* Allowed IRQs */
unsigned char interrupt_table[4] = { 15, 14, 11, 10 };
/* Allowed DMA channels for ISA (0 indicates reserved) */
unsigned char dma_channel_table[4] = { 5, 6, 7, 0 };
/* Head/sector mappings */
struct {
unsigned char heads;
unsigned char sectors;
} mapping_table[4] = {
{ 16, 63 }, { 64, 32 }, { 64, 63 }, { 64, 32 }
};
struct config_1 {
#if defined(__BIG_ENDIAN_BITFIELD)
unsigned char dma_channel: 2, interrupt:2,
removable_disks_as_fixed:1, bios_segment: 3;
#else
unsigned char bios_segment: 3, removable_disks_as_fixed: 1,
interrupt: 2, dma_channel: 2;
#endif
} config_1;
struct config_2 {
#if defined(__BIG_ENDIAN_BITFIELD)
unsigned char tfr_port: 2, bios_drive_number: 1,
mapping_mode: 2, ha_scsi_id: 3;
#else
unsigned char ha_scsi_id: 3, mapping_mode: 2,
bios_drive_number: 1, tfr_port: 2;
#endif
} config_2;
char name[16];
sprintf(name, "%s%d", driver_name, j);
if (!request_region(port_base, REGION_SIZE, driver_name)) {
#if defined(DEBUG_DETECT)
printk("%s: address 0x%03lx in use, skipping probe.\n", name, port_base);
#endif
goto fail;
}
spin_lock_irq(&driver_lock);
if (inb(port_base + REG_PRODUCT_ID1) != PRODUCT_ID1) goto freelock;
in_byte = inb(port_base + REG_PRODUCT_ID2);
if ((in_byte & 0xf0) != PRODUCT_ID2) goto freelock;
*(char *)&config_1 = inb(port_base + REG_CONFIG1);
*(char *)&config_2 = inb(port_base + REG_CONFIG2);
irq = interrupt_table[config_1.interrupt];
dma_channel = dma_channel_table[config_1.dma_channel];
subversion = (in_byte & 0x0f);
/* Board detected, allocate its IRQ */
if (request_irq(irq, do_interrupt_handler,
IRQF_DISABLED | ((subversion == ESA) ? IRQF_SHARED : 0),
driver_name, (void *) &sha[j])) {
printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq);
goto freelock;
}
if (subversion == ISA && request_dma(dma_channel, driver_name)) {
printk("%s: unable to allocate DMA channel %u, detaching.\n",
name, dma_channel);
goto freeirq;
}
if (have_old_firmware) tpnt->use_clustering = DISABLE_CLUSTERING;
spin_unlock_irq(&driver_lock);
sh[j] = scsi_register(tpnt, sizeof(struct hostdata));
spin_lock_irq(&driver_lock);
if (sh[j] == NULL) {
printk("%s: unable to register host, detaching.\n", name);
goto freedma;
}
sh[j]->io_port = port_base;
sh[j]->unique_id = port_base;
sh[j]->n_io_port = REGION_SIZE;
sh[j]->base = bios_segment_table[config_1.bios_segment];
sh[j]->irq = irq;
sh[j]->sg_tablesize = MAX_SGLIST;
sh[j]->this_id = config_2.ha_scsi_id;
sh[j]->can_queue = MAX_MAILBOXES;
sh[j]->cmd_per_lun = MAX_CMD_PER_LUN;
#if defined(DEBUG_DETECT)
{
unsigned char sys_mask, lcl_mask;
sys_mask = inb(sh[j]->io_port + REG_SYS_MASK);
lcl_mask = inb(sh[j]->io_port + REG_LCL_MASK);
printk("SYS_MASK 0x%x, LCL_MASK 0x%x.\n", sys_mask, lcl_mask);
}
#endif
/* Probably a bogus host scsi id, set it to the dummy value */
if (sh[j]->this_id == 0) sh[j]->this_id = -1;
/* If BIOS is disabled, force enable interrupts */
if (sh[j]->base == 0) outb(CMD_ENA_INTR, sh[j]->io_port + REG_SYS_MASK);
memset(HD(j), 0, sizeof(struct hostdata));
HD(j)->heads = mapping_table[config_2.mapping_mode].heads;
HD(j)->sectors = mapping_table[config_2.mapping_mode].sectors;
HD(j)->subversion = subversion;
HD(j)->pdev = NULL;
HD(j)->board_number = j;
if (have_old_firmware) sh[j]->sg_tablesize = MAX_SAFE_SGLIST;
if (HD(j)->subversion == ESA) {
sh[j]->unchecked_isa_dma = FALSE;
sh[j]->dma_channel = NO_DMA;
sprintf(BN(j), "U34F%d", j);
bus_type = "VESA";
}
else {
unsigned long flags;
sh[j]->unchecked_isa_dma = TRUE;
flags=claim_dma_lock();
disable_dma(dma_channel);
clear_dma_ff(dma_channel);
set_dma_mode(dma_channel, DMA_MODE_CASCADE);
enable_dma(dma_channel);
release_dma_lock(flags);
sh[j]->dma_channel = dma_channel;
sprintf(BN(j), "U14F%d", j);
bus_type = "ISA";
}
sh[j]->max_channel = MAX_CHANNEL - 1;
sh[j]->max_id = MAX_TARGET;
sh[j]->max_lun = MAX_LUN;
if (HD(j)->subversion == ISA && !board_inquiry(j)) {
HD(j)->board_id[40] = 0;
if (strcmp(&HD(j)->board_id[32], "06000600")) {
printk("%s: %s.\n", BN(j), &HD(j)->board_id[8]);
printk("%s: firmware %s is outdated, FW PROM should be 28004-006.\n",
BN(j), &HD(j)->board_id[32]);
sh[j]->hostt->use_clustering = DISABLE_CLUSTERING;
sh[j]->sg_tablesize = MAX_SAFE_SGLIST;
}
}
if (dma_channel == NO_DMA) sprintf(dma_name, "%s", "BMST");
else sprintf(dma_name, "DMA %u", dma_channel);
spin_unlock_irq(&driver_lock);
for (i = 0; i < sh[j]->can_queue; i++)
HD(j)->cp[i].cp_dma_addr = pci_map_single(HD(j)->pdev,
&HD(j)->cp[i], sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL);
for (i = 0; i < sh[j]->can_queue; i++)
if (! ((&HD(j)->cp[i])->sglist = kmalloc(
sh[j]->sg_tablesize * sizeof(struct sg_list),
(sh[j]->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC))) {
printk("%s: kmalloc SGlist failed, mbox %d, detaching.\n", BN(j), i);
goto release;
}
if (max_queue_depth > MAX_TAGGED_CMD_PER_LUN)
max_queue_depth = MAX_TAGGED_CMD_PER_LUN;
if (max_queue_depth < MAX_CMD_PER_LUN) max_queue_depth = MAX_CMD_PER_LUN;
if (tag_mode != TAG_DISABLED && tag_mode != TAG_SIMPLE)
tag_mode = TAG_ORDERED;
if (j == 0) {
printk("UltraStor 14F/34F: Copyright (C) 1994-2003 Dario Ballabio.\n");
printk("%s config options -> of:%c, tm:%d, lc:%c, mq:%d, et:%c.\n",
driver_name, YESNO(have_old_firmware), tag_mode,
YESNO(linked_comm), max_queue_depth, YESNO(ext_tran));
}
printk("%s: %s 0x%03lx, BIOS 0x%05x, IRQ %u, %s, SG %d, MB %d.\n",
BN(j), bus_type, (unsigned long)sh[j]->io_port, (int)sh[j]->base,
sh[j]->irq, dma_name, sh[j]->sg_tablesize, sh[j]->can_queue);
if (sh[j]->max_id > 8 || sh[j]->max_lun > 8)
printk("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n",
BN(j), sh[j]->max_id, sh[j]->max_lun);
for (i = 0; i <= sh[j]->max_channel; i++)
printk("%s: SCSI channel %u enabled, host target ID %d.\n",
BN(j), i, sh[j]->this_id);
return TRUE;
freedma:
if (subversion == ISA) free_dma(dma_channel);
freeirq:
free_irq(irq, &sha[j]);
freelock:
spin_unlock_irq(&driver_lock);
release_region(port_base, REGION_SIZE);
fail:
return FALSE;
release:
u14_34f_release(sh[j]);
return FALSE;
}
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 );
}
/* Detect all SSAs attached to the machine.
To be fast, do it on all online FC channels at the same time. */
__initfunc(int pluto_detect(Scsi_Host_Template *tpnt))
{
int i, retry, nplutos;
fc_channel *fc;
Scsi_Device dev;
tpnt->proc_dir = &proc_scsi_pluto;
fcscount = 0;
for_each_online_fc_channel(fc)
fcscount++;
PLND(("%d channels online\n", fcscount))
if (!fcscount) {
#if defined(MODULE) && defined(CONFIG_FC4_SOC_MODULE) && defined(CONFIG_KMOD)
request_module("soc");
for_each_online_fc_channel(fc)
fcscount++;
if (!fcscount)
#endif
return 0;
}
fcs = (struct ctrl_inquiry *) scsi_init_malloc (sizeof (struct ctrl_inquiry) * fcscount, GFP_DMA);
if (!fcs) {
printk ("PLUTO: Not enough memory to probe\n");
return 0;
}
memset (fcs, 0, sizeof (struct ctrl_inquiry) * fcscount);
memset (&dev, 0, sizeof(dev));
atomic_set (&fcss, fcscount);
fc_timer.function = pluto_detect_timeout;
i = 0;
for_each_online_fc_channel(fc) {
Scsi_Cmnd *SCpnt;
struct Scsi_Host *host;
struct pluto *pluto;
if (i == fcscount) break;
PLD(("trying to find SSA\n"))
/* If this is already registered to some other SCSI host, then it cannot be pluto */
if (fc->scsi_name[0]) continue;
memcpy (fc->scsi_name, "SSA", 4);
fcs[i].fc = fc;
fc->can_queue = PLUTO_CAN_QUEUE;
fc->rsp_size = 64;
fc->encode_addr = pluto_encode_addr;
fc->fcp_register(fc, TYPE_SCSI_FCP, 0);
SCpnt = &(fcs[i].cmd);
host = &(fcs[i].host);
pluto = (struct pluto *)host->hostdata;
pluto->fc = fc;
SCpnt->host = host;
SCpnt->cmnd[0] = INQUIRY;
SCpnt->cmnd[4] = 255;
/* FC layer requires this, so that SCpnt->device->tagged_supported is initially 0 */
SCpnt->device = &dev;
SCpnt->cmd_len = COMMAND_SIZE(INQUIRY);
SCpnt->request.rq_status = RQ_SCSI_BUSY;
SCpnt->done = pluto_detect_done;
SCpnt->bufflen = 256;
SCpnt->buffer = fcs[i].inquiry;
SCpnt->request_bufflen = 256;
SCpnt->request_buffer = fcs[i].inquiry;
PLD(("set up %d %08lx\n", i, (long)SCpnt))
i++;
}
for (retry = 0; retry < 5; retry++) {
for (i = 0; i < fcscount; i++) {
if (!fcs[i].fc) break;
if (fcs[i].cmd.request.rq_status != RQ_SCSI_DONE) {
disable_irq(fcs[i].fc->irq);
PLND(("queuecommand %d %d\n", retry, i))
fcp_scsi_queuecommand (&(fcs[i].cmd),
pluto_detect_scsi_done);
enable_irq(fcs[i].fc->irq);
}
}
fc_timer.expires = jiffies + 10 * HZ;
add_timer(&fc_timer);
down(&fc_sem);
PLND(("Woken up\n"))
if (!atomic_read(&fcss))
break; /* All fc channels have answered us */
}
del_timer(&fc_timer);
PLND(("Finished search\n"))
for (i = 0, nplutos = 0; i < fcscount; i++) {
Scsi_Cmnd *SCpnt;
if (!(fc = fcs[i].fc)) break;
SCpnt = &(fcs[i].cmd);
/* Let FC mid-level free allocated resources */
SCpnt->done (SCpnt);
if (!SCpnt->result) {
struct pluto_inquiry *inq;
struct pluto *pluto;
struct Scsi_Host *host;
inq = (struct pluto_inquiry *)fcs[i].inquiry;
if ((inq->dtype & 0x1f) == TYPE_PROCESSOR &&
!strncmp (inq->vendor_id, "SUN", 3) &&
!strncmp (inq->product_id, "SSA", 3)) {
char *p;
long *ages;
ages = kmalloc (((inq->channels + 1) * inq->targets) * sizeof(long), GFP_KERNEL);
if (!ages) continue;
host = scsi_register (tpnt, sizeof (struct pluto));
if (!host) panic ("Cannot register PLUTO host\n");
nplutos++;
if (fc->module) __MOD_INC_USE_COUNT(fc->module);
pluto = (struct pluto *)host->hostdata;
host->max_id = inq->targets;
host->max_channel = inq->channels;
host->irq = fc->irq;
host->select_queue_depths = pluto_select_queue_depths;
fc->channels = inq->channels + 1;
fc->targets = inq->targets;
fc->ages = ages;
memset (ages, 0, ((inq->channels + 1) * inq->targets) * sizeof(long));
pluto->fc = fc;
memcpy (pluto->rev_str, inq->revision, 4);
pluto->rev_str[4] = 0;
p = strchr (pluto->rev_str, ' ');
if (p) *p = 0;
memcpy (pluto->fw_rev_str, inq->fw_revision, 4);
pluto->fw_rev_str[4] = 0;
p = strchr (pluto->fw_rev_str, ' ');
if (p) *p = 0;
memcpy (pluto->serial_str, inq->serial, 12);
pluto->serial_str[12] = 0;
p = strchr (pluto->serial_str, ' ');
if (p) *p = 0;
PLD(("Found SSA rev %s fw rev %s serial %s %dx%d\n", pluto->rev_str, pluto->fw_rev_str, pluto->serial_str, host->max_channel, host->max_id))
} else
fc->fcp_register(fc, TYPE_SCSI_FCP, 1);
} else
unsigned int scsi_init()
{
static int called = 0;
int i, pcount;
Scsi_Host_Template * tpnt;
struct Scsi_Host * shpnt;
const char * name;
if(called) return 0;
called = 1;
for (tpnt = &builtin_scsi_hosts[0], i = 0; i < MAX_SCSI_HOSTS; ++i, tpnt++)
{
/*
* Initialize our semaphores. -1 is interpreted to mean
* "inactive" - where as 0 will indicate a time out condition.
*/
pcount = next_scsi_host;
if ((tpnt->detect) &&
(tpnt->present =
tpnt->detect(tpnt)))
{
/* The only time this should come up is when people use
* some kind of patched driver of some kind or another. */
if(pcount == next_scsi_host) {
if(tpnt->present > 1)
panic("Failure to register low-level scsi driver");
/* The low-level driver failed to register a driver. We
* can do this now. */
scsi_register(tpnt,0);
}
tpnt->next = scsi_hosts;
scsi_hosts = tpnt;
/* Add the driver to /proc/scsi */
#if CONFIG_PROC_FS
build_proc_dir_entries(tpnt);
#endif
}
}
for(shpnt=scsi_hostlist; shpnt; shpnt = shpnt->next)
{
if(shpnt->hostt->info)
name = shpnt->hostt->info(shpnt);
else
name = shpnt->hostt->name;
printk ("scsi%d : %s\n", /* And print a little message */
shpnt->host_no, name);
}
printk ("scsi : %d host%s.\n", next_scsi_host,
(next_scsi_host == 1) ? "" : "s");
scsi_make_blocked_list();
/* Now attach the high level drivers */
#ifdef CONFIG_BLK_DEV_SD
scsi_register_device(&sd_template);
#endif
#ifdef CONFIG_BLK_DEV_SR
scsi_register_device(&sr_template);
#endif
#ifdef CONFIG_CHR_DEV_ST
scsi_register_device(&st_template);
#endif
#ifdef CONFIG_CHR_DEV_SG
scsi_register_device(&sg_template);
#endif
#if 0
max_scsi_hosts = next_scsi_host;
#endif
return 0;
}
/* Prototype: int powertecscsi_detect(Scsi_Host_Template * tpnt)
* Purpose : initialises PowerTec SCSI driver
* Params : tpnt - template for this SCSI adapter
* Returns : >0 if host found, 0 otherwise.
*/
int
powertecscsi_detect(Scsi_Host_Template *tpnt)
{
static const card_ids powertecscsi_cids[] =
{ POWERTECSCSI_LIST, { 0xffff, 0xffff} };
int count = 0;
struct Scsi_Host *host;
tpnt->proc_dir = &proc_scsi_powertec;
memset(ecs, 0, sizeof (ecs));
ecard_startfind();
while (1) {
PowerTecScsi_Info *info;
ecs[count] = ecard_find(0, powertecscsi_cids);
if (!ecs[count])
break;
ecard_claim(ecs[count]);
host = scsi_register(tpnt, sizeof (PowerTecScsi_Info));
if (!host) {
ecard_release(ecs[count]);
break;
}
host->io_port = ecard_address(ecs[count], ECARD_IOC, ECARD_FAST);
host->irq = ecs[count]->irq;
host->dma_channel = ecs[count]->dma;
info = (PowerTecScsi_Info *)host->hostdata;
info->control.term_port = host->io_port + POWERTEC_TERM_CONTROL;
info->control.terms = term[count] ? POWERTEC_TERM_ENABLE : 0;
powertecscsi_terminator_ctl(host, info->control.terms);
info->info.scsi.io_port =
host->io_port + POWERTEC_FAS216_OFFSET;
info->info.scsi.io_shift= POWERTEC_FAS216_SHIFT;
info->info.scsi.irq = host->irq;
info->info.ifcfg.clockrate = POWERTEC_XTALFREQ;
info->info.ifcfg.select_timeout = 255;
info->info.ifcfg.asyncperiod = POWERTEC_ASYNC_PERIOD;
info->info.ifcfg.sync_max_depth = POWERTEC_SYNC_DEPTH;
info->info.ifcfg.cntl3 = /*CNTL3_BS8 |*/ CNTL3_FASTSCSI | CNTL3_FASTCLK;
info->info.ifcfg.disconnect_ok = 1;
info->info.ifcfg.wide_max_size = 0;
info->info.dma.setup = powertecscsi_dma_setup;
info->info.dma.pseudo = NULL;
info->info.dma.stop = powertecscsi_dma_stop;
ecs[count]->irqaddr = (unsigned char *)
ioaddr(host->io_port + POWERTEC_INTR_STATUS);
ecs[count]->irqmask = POWERTEC_INTR_BIT;
ecs[count]->irq_data = (void *)
(host->io_port + POWERTEC_INTR_CONTROL);
ecs[count]->ops = (expansioncard_ops_t *)&powertecscsi_ops;
request_region(host->io_port + POWERTEC_FAS216_OFFSET,
16 << POWERTEC_FAS216_SHIFT, "powertec2-fas");
if (host->irq != NO_IRQ &&
request_irq(host->irq, powertecscsi_intr,
SA_INTERRUPT, "powertec", host)) {
printk("scsi%d: IRQ%d not free, interrupts disabled\n",
host->host_no, host->irq);
host->irq = NO_IRQ;
info->info.scsi.irq = NO_IRQ;
}
if (host->dma_channel != NO_DMA &&
request_dma(host->dma_channel, "powertec")) {
printk("scsi%d: DMA%d not free, DMA disabled\n",
host->host_no, host->dma_channel);
host->dma_channel = NO_DMA;
}
fas216_init(host);
++count;
}
return count;
}
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;
}
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 __init sgiwd93_detect(Scsi_Host_Template *SGIblows)
{
static unsigned char called = 0;
struct hpc3_scsiregs *hregs = &hpc3c0->scsi_chan0;
struct hpc3_scsiregs *hregs1 = &hpc3c0->scsi_chan1;
struct WD33C93_hostdata *hdata;
struct WD33C93_hostdata *hdata1;
wd33c93_regs regs;
uchar *buf;
if(called)
return 0; /* Should bitch on the console about this... */
SGIblows->proc_name = "SGIWD93";
sgiwd93_host = scsi_register(SGIblows, sizeof(struct WD33C93_hostdata));
if(sgiwd93_host == NULL)
return 0;
sgiwd93_host->base = (unsigned long) hregs;
sgiwd93_host->irq = SGI_WD93_0_IRQ;
buf = (uchar *) get_zeroed_page(GFP_KERNEL);
if (!buf) {
printk(KERN_WARNING "sgiwd93: Could not allocate memory for host0 buffer.\n");
scsi_unregister(sgiwd93_host);
return 0;
}
init_hpc_chain(buf);
/* HPC_SCSI_REG0 | 0x03 | KSEG1 */
regs.SASR = (unsigned char*) KSEG1ADDR (0x1fbc0003);
regs.SCMD = (unsigned char*) KSEG1ADDR (0x1fbc0007);
wd33c93_init(sgiwd93_host, regs, dma_setup, dma_stop, WD33C93_FS_16_20);
hdata = (struct WD33C93_hostdata *)sgiwd93_host->hostdata;
hdata->no_sync = 0;
hdata->dma_bounce_buffer = (uchar *) (KSEG1ADDR(buf));
if (request_irq(SGI_WD93_0_IRQ, sgiwd93_intr, 0, "SGI WD93", (void *) sgiwd93_host)) {
printk(KERN_WARNING "sgiwd93: Could not register IRQ %d (for host 0).\n", SGI_WD93_0_IRQ);
wd33c93_release();
free_page((unsigned long)buf);
scsi_unregister(sgiwd93_host);
return 0;
}
/* set up second controller on the Indigo2 */
if(!sgi_guiness) {
sgiwd93_host1 = scsi_register(SGIblows, sizeof(struct WD33C93_hostdata));
if(sgiwd93_host1 != NULL)
{
sgiwd93_host1->base = (unsigned long) hregs1;
sgiwd93_host1->irq = SGI_WD93_1_IRQ;
buf = (uchar *) get_zeroed_page(GFP_KERNEL);
if (!buf) {
printk(KERN_WARNING "sgiwd93: Could not allocate memory for host1 buffer.\n");
scsi_unregister(sgiwd93_host1);
called = 1;
return 1; /* We registered host0 so return success*/
}
init_hpc_chain(buf);
/* HPC_SCSI_REG1 | 0x03 | KSEG1 */
regs.SASR = (unsigned char*) KSEG1ADDR(0x1fbc8003);
regs.SCMD = (unsigned char*) KSEG1ADDR(0x1fbc8007);
wd33c93_init(sgiwd93_host1, regs, dma_setup, dma_stop,
WD33C93_FS_16_20);
hdata1 = (struct WD33C93_hostdata *)sgiwd93_host1->hostdata;
hdata1->no_sync = 0;
hdata1->dma_bounce_buffer = (uchar *) (KSEG1ADDR(buf));
if (request_irq(SGI_WD93_1_IRQ, sgiwd93_intr, 0, "SGI WD93", (void *) sgiwd93_host1)) {
printk(KERN_WARNING "sgiwd93: Could not allocate irq %d (for host1).\n", SGI_WD93_1_IRQ);
wd33c93_release();
free_page((unsigned long)buf);
scsi_unregister(sgiwd93_host1);
/* Fall through since host0 registered OK */
}
}
}
called = 1;
return 1; /* Found one. */
}
static int
powertecscsi_probe(struct expansion_card *ec)
{
struct Scsi_Host *host;
struct powertec_info *info;
unsigned long base;
int ret;
base = ecard_address(ec, ECARD_IOC, ECARD_FAST);
request_region(base + POWERTEC_FAS216_OFFSET,
16 << POWERTEC_FAS216_SHIFT, "powertec2-fas");
host = scsi_register(&powertecscsi_template,
sizeof (struct powertec_info));
if (!host) {
ret = -ENOMEM;
goto out_region;
}
host->io_port = base;
host->irq = ec->irq;
host->dma_channel = ec->dma;
ec->irqaddr = (unsigned char *)ioaddr(base + POWERTEC_INTR_STATUS);
ec->irqmask = POWERTEC_INTR_BIT;
ec->irq_data = (void *)(base + POWERTEC_INTR_CONTROL);
ec->ops = (expansioncard_ops_t *)&powertecscsi_ops;
info = (struct powertec_info *)host->hostdata;
info->ec = ec;
info->term_port = base + POWERTEC_TERM_CONTROL;
powertecscsi_terminator_ctl(host, term[ec->slot_no]);
info->info.scsi.io_port = host->io_port + POWERTEC_FAS216_OFFSET;
info->info.scsi.io_shift = POWERTEC_FAS216_SHIFT;
info->info.scsi.irq = host->irq;
info->info.ifcfg.clockrate = 40; /* MHz */
info->info.ifcfg.select_timeout = 255;
info->info.ifcfg.asyncperiod = 200; /* ns */
info->info.ifcfg.sync_max_depth = 7;
info->info.ifcfg.cntl3 = CNTL3_BS8 | CNTL3_FASTSCSI | CNTL3_FASTCLK;
info->info.ifcfg.disconnect_ok = 1;
info->info.ifcfg.wide_max_size = 0;
info->info.ifcfg.capabilities = 0;
info->info.dma.setup = powertecscsi_dma_setup;
info->info.dma.pseudo = NULL;
info->info.dma.stop = powertecscsi_dma_stop;
ret = fas216_init(host);
if (ret)
goto out_free;
ret = request_irq(host->irq, powertecscsi_intr,
SA_INTERRUPT, "powertec", &info->info);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, host->irq, ret);
goto out_release;
}
if (host->dma_channel != NO_DMA) {
if (request_dma(host->dma_channel, "powertec")) {
printk("scsi%d: DMA%d not free, using PIO\n",
host->host_no, host->dma_channel);
host->dma_channel = NO_DMA;
} else {
set_dma_speed(host->dma_channel, 180);
info->info.ifcfg.capabilities |= FASCAP_DMA;
}
}
ret = fas216_add(host);
if (ret == 0)
goto out;
if (host->dma_channel != NO_DMA)
free_dma(host->dma_channel);
free_irq(host->irq, host);
out_release:
fas216_release(host);
out_free:
scsi_unregister(host);
out_region:
release_region(base + POWERTEC_FAS216_OFFSET,
16 << POWERTEC_FAS216_SHIFT);
out:
return ret;
}
/*****************************************************************************
Function name : inia100_detect
Description :
Input : pHCB - Pointer to host adapter structure
Output : None.
Return : pSRB - Pointer to SCSI request block.
*****************************************************************************/
int inia100_detect(Scsi_Host_Template * tpnt)
{
ORC_HCS *pHCB;
struct Scsi_Host *hreg;
U32 sz;
U32 i; /* 01/14/98 */
int ok = 0, iAdapters;
ULONG dBiosAdr;
BYTE *pbBiosAdr;
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(1,3,0)
tpnt->proc_dir = &proc_scsi_inia100;
#endif
if (setup_called) {
/* Setup by inia100_setup */
printk("inia100: processing commandline: ");
}
/* Get total number of adapters in the motherboard */
iAdapters = orc_ReturnNumberOfAdapters();
/* printk("inia100: Total Initio Adapters = %d\n", iAdapters); */
if (iAdapters == 0) /* If no orc founded, return */
return (0);
orc_num_ch = (iAdapters > orc_num_ch) ? orc_num_ch : iAdapters;
orc_num_scb = ORC_MAXQUEUE;
/* clear the memory needed for HCS */
i = orc_num_ch * sizeof(ORC_HCS);
memset((unsigned char *) &orc_hcs[0], 0, i); /* Initialize orc_hcs 0 */
#if 0
printk("orc_num_scb= %x orc_num_ch= %x hcsize= %x scbsize= %x escbsize= %x\n",
orc_num_scb, orc_num_ch, sizeof(ORC_HCS), sizeof(ORC_SCB), sizeof(ESCB));
#endif
for (i = 0, pHCB = &orc_hcs[0]; /* Get pointer for control block */
i < orc_num_ch;
i++, pHCB++) {
pHCB->pSRB_head = NULL; /* Initial SRB save queue */
pHCB->pSRB_tail = NULL; /* Initial SRB save queue */
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
pHCB->pSRB_lock = SPIN_LOCK_UNLOCKED; /* SRB save queue lock */
#endif
/* Get total memory needed for SCB */
sz = orc_num_scb * sizeof(ORC_SCB);
if ((pHCB->HCS_virScbArray = (PVOID) kmalloc(sz, GFP_ATOMIC | GFP_DMA)) == NULL) {
printk("inia100: SCB memory allocation error\n");
return (0);
}
memset((unsigned char *) pHCB->HCS_virScbArray, 0, sz);
pHCB->HCS_physScbArray = (U32) VIRT_TO_BUS(pHCB->HCS_virScbArray);
/* Get total memory needed for ESCB */
sz = orc_num_scb * sizeof(ESCB);
if ((pHCB->HCS_virEscbArray = (PVOID) kmalloc(sz, GFP_ATOMIC | GFP_DMA)) == NULL) {
printk("inia100: ESCB memory allocation error\n");
return (0);
}
memset((unsigned char *) pHCB->HCS_virEscbArray, 0, sz);
pHCB->HCS_physEscbArray = (U32) VIRT_TO_BUS(pHCB->HCS_virEscbArray);
request_region(pHCB->HCS_Base, 0x100, "inia100"); /* Register */
get_orcPCIConfig(pHCB, i);
dBiosAdr = pHCB->HCS_BIOS;
dBiosAdr = (dBiosAdr << 4);
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(1,3,0)
pbBiosAdr = phys_to_virt(dBiosAdr);
#endif
if (init_orchid(pHCB)) { /* Initial orchid chip */
printk("inia100: initial orchid fail!!\n");
return (0);
}
hreg = scsi_register(tpnt, sizeof(ORC_HCS));
if (hreg == NULL) {
printk("Invalid scsi_register pointer.\n");
}
hreg->io_port = pHCB->HCS_Base;
hreg->n_io_port = 0xff;
hreg->can_queue = orc_num_scb; /* 03/05/98 */
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(1,3,0)
hreg->unique_id = pHCB->HCS_Base;
hreg->max_id = pHCB->HCS_MaxTar;
#endif
hreg->max_lun = 32; /* 10/21/97 */
/*
hreg->max_lun = 8;
hreg->max_channel = 1;
*/
hreg->irq = pHCB->HCS_Intr;
hreg->this_id = pHCB->HCS_SCSI_ID; /* Assign HCS index */
hreg->base = (UCHAR *) pHCB;
#if 1
hreg->sg_tablesize = TOTAL_SG_ENTRY; /* Maximun support is 32 */
#else
hreg->sg_tablesize = SG_NONE; /* No SG */
#endif
/* Initial orc chip */
switch (i) {
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(1,3,0)
case 0:
ok = request_irq(pHCB->HCS_Intr, inia100_intr0, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 1:
ok = request_irq(pHCB->HCS_Intr, inia100_intr1, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 2:
ok = request_irq(pHCB->HCS_Intr, inia100_intr2, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 3:
ok = request_irq(pHCB->HCS_Intr, inia100_intr3, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 4:
ok = request_irq(pHCB->HCS_Intr, inia100_intr4, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 5:
ok = request_irq(pHCB->HCS_Intr, inia100_intr5, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 6:
ok = request_irq(pHCB->HCS_Intr, inia100_intr6, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
case 7:
ok = request_irq(pHCB->HCS_Intr, inia100_intr7, SA_INTERRUPT | SA_SHIRQ, "inia100", NULL);
break;
default:
inia100_panic("inia100: Too many host adapters\n");
break;
}
if (ok < 0) {
if (ok == -EINVAL) {
printk("inia100: bad IRQ %d.\n", pHCB->HCS_Intr);
printk(" Contact author.\n");
} else {
if (ok == -EBUSY)
printk("inia100: IRQ %d already in use. Configure another.\n", pHCB->HCS_Intr);
else {
printk("\ninia100: Unexpected error code on requesting IRQ %d.\n",
pHCB->HCS_Intr);
printk(" Contact author.\n");
}
}
inia100_panic("inia100: driver needs an IRQ.\n");
}
#endif
}
tpnt->this_id = -1;
tpnt->can_queue = 1;
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 tc2550_detect(Scsi_Host_Template * tpnt)
{
int flag = 0;
int retcode;
struct Scsi_Host *shpnt;
unsigned long flags;
unsigned int mod4;
flag = tc2550_pci_bios_detect(&interrupt_level, &port_base);
if (!flag)
return (0);
init_chip_reg(); /* chip Tc-2550 initialize */
flag = download_RISC_code();
if (flag == 0)
{
printk(KERN_INFO "tc2550: Successful F/W download on TC-2550x\n");
}
/* now do a scsi register and get scsi host ptr */
shpnt = scsi_register(tpnt, 0);
save_flags(flags);
cli();
retcode = request_irq(interrupt_level,
tc2550_intr, SA_INTERRUPT, "tripace", NULL);
if (retcode)
{
printk(KERN_ERR "tc2550: Unable to allocate IRQ for Tripace TC-2550x based SCSI Host Adapter.\n");
goto unregister;
}
/* For multiple HA we need to change all this */
tripace_host = shpnt;
shpnt->io_port = CFG_BASE;
shpnt->n_io_port = 0xfc; /* Number of bytes of I/O space used */
shpnt->dma_channel = 0;
shpnt->irq = interrupt_level;
restore_flags(flags);
/* log i/o ports with the kernel */
request_region(port_base, 0xfc, "tripace");
/* when we support multiple HA ,we need to modify */
Init_struc(0); /* init mailboxes for one adapter */
/* sg table init */
/* get physical address */
startsgptr = (unsigned char *) table;
pstartsgptr = virt_to_phys((unsigned char *) table);
mod4 = pstartsgptr % 4;
if (mod4)
{
pstartsgptr += (4 - mod4);
startsgptr += (4 - mod4);
}
return (0);
unregister:
scsi_unregister(shpnt);
return (0);
}
int
mac53c94_detect(Scsi_Host_Template *tp)
{
struct device_node *node;
int nfscs;
struct fsc_state *state, **prev_statep;
struct Scsi_Host *host;
void *dma_cmd_space;
unsigned char *clkprop;
int proplen;
struct pci_dev *pdev;
u8 pbus, devfn;
nfscs = 0;
prev_statep = &all_53c94s;
for (node = find_devices("53c94"); node != 0; node = node->next) {
if (node->n_addrs != 2 || node->n_intrs != 2) {
printk(KERN_ERR "mac53c94: expected 2 addrs and intrs"
" (got %d/%d) for node %s\n",
node->n_addrs, node->n_intrs, node->full_name);
continue;
}
pdev = NULL;
if (node->parent != NULL
&& !pci_device_from_OF_node(node->parent, &pbus, &devfn))
pdev = pci_find_slot(pbus, devfn);
if (pdev == NULL) {
printk(KERN_ERR "mac53c94: can't find PCI device "
"for %s\n", node->full_name);
continue;
}
host = scsi_register(tp, sizeof(struct fsc_state));
if (host == NULL)
break;
host->unique_id = nfscs;
state = (struct fsc_state *) host->hostdata;
if (state == 0) {
/* "can't happen" */
printk(KERN_ERR "mac53c94: no state for %s?!\n",
node->full_name);
scsi_unregister(host);
break;
}
state->host = host;
state->pdev = pdev;
state->regs = (volatile struct mac53c94_regs *)
ioremap(node->addrs[0].address, 0x1000);
state->intr = node->intrs[0].line;
state->dma = (volatile struct dbdma_regs *)
ioremap(node->addrs[1].address, 0x1000);
state->dmaintr = node->intrs[1].line;
if (state->regs == NULL || state->dma == NULL) {
printk(KERN_ERR "mac53c94: ioremap failed for %s\n",
node->full_name);
if (state->dma != NULL)
iounmap(state->dma);
if (state->regs != NULL)
iounmap(state->regs);
scsi_unregister(host);
break;
}
clkprop = get_property(node, "clock-frequency", &proplen);
if (clkprop == NULL || proplen != sizeof(int)) {
printk(KERN_ERR "%s: can't get clock frequency, "
"assuming 25MHz\n", node->full_name);
state->clk_freq = 25000000;
} else
state->clk_freq = *(int *)clkprop;
/* Space for dma command list: +1 for stop command,
+1 to allow for aligning. */
dma_cmd_space = kmalloc((host->sg_tablesize + 2) *
sizeof(struct dbdma_cmd), GFP_KERNEL);
if (dma_cmd_space == 0) {
printk(KERN_ERR "mac53c94: couldn't allocate dma "
"command space for %s\n", node->full_name);
goto err_cleanup;
}
state->dma_cmds = (struct dbdma_cmd *)
DBDMA_ALIGN(dma_cmd_space);
memset(state->dma_cmds, 0, (host->sg_tablesize + 1)
* sizeof(struct dbdma_cmd));
state->dma_cmd_space = dma_cmd_space;
*prev_statep = state;
prev_statep = &state->next;
if (request_irq(state->intr, do_mac53c94_interrupt, 0,
"53C94", state)) {
printk(KERN_ERR "mac53C94: can't get irq %d for %s\n",
state->intr, node->full_name);
err_cleanup:
iounmap(state->dma);
iounmap(state->regs);
scsi_unregister(host);
break;
}
mac53c94_init(state);
++nfscs;
}
return nfscs;
}
int seagate_st0x_detect (Scsi_Host_Template * tpnt)
{
struct Scsi_Host *instance;
#ifndef OVERRIDE
int i,j;
#endif
tpnt->proc_dir = &proc_scsi_seagate;
/*
* First, we try for the manual override.
*/
#ifdef DEBUG
printk("Autodetecting ST0x / TMC-8xx\n");
#endif
if (hostno != -1)
{
printk ("ERROR : seagate_st0x_detect() called twice.\n");
return 0;
}
/* If the user specified the controller type from the command line,
controller_type will be non-zero, so don't try to detect one */
if (!controller_type) {
#ifdef OVERRIDE
base_address = (void *) OVERRIDE;
/* CONTROLLER is used to override controller (SEAGATE or FD). PM: 07/01/93 */
#ifdef CONTROLLER
controller_type = CONTROLLER;
#else
#error Please use -DCONTROLLER=SEAGATE or -DCONTROLLER=FD to override controller type
#endif /* CONTROLLER */
#ifdef DEBUG
printk("Base address overridden to %x, controller type is %s\n",
base_address,controller_type == SEAGATE ? "SEAGATE" : "FD");
#endif
#else /* OVERRIDE */
/*
* To detect this card, we simply look for the signature
* from the BIOS version notice in all the possible locations
* of the ROM's. This has a nice side effect of not trashing
* any register locations that might be used by something else.
*
* XXX - note that we probably should be probing the address
* space for the on-board RAM instead.
*/
for (i = 0; i < (sizeof (seagate_bases) / sizeof (char * )); ++i)
for (j = 0; !base_address && j < NUM_SIGNATURES; ++j)
if (!memcmp ((const void *) (seagate_bases[i] +
signatures[j].offset), (const void *) signatures[j].signature,
signatures[j].length)) {
base_address = (const void *) seagate_bases[i];
controller_type = signatures[j].type;
}
#endif /* OVERRIDE */
} /* (! controller_type) */
tpnt->this_id = (controller_type == SEAGATE) ? 7 : 6;
tpnt->name = (controller_type == SEAGATE) ? ST0X_ID_STR : FD_ID_STR;
if (base_address)
{
st0x_cr_sr =(void *) (((const unsigned char *) base_address) + (controller_type == SEAGATE ? 0x1a00 : 0x1c00));
st0x_dr = (void *) (((const unsigned char *) base_address ) + (controller_type == SEAGATE ? 0x1c00 : 0x1e00));
#ifdef DEBUG
printk("%s detected. Base address = %x, cr = %x, dr = %x\n", tpnt->name, base_address, st0x_cr_sr, st0x_dr);
#endif
/*
* At all times, we will use IRQ 5. Should also check for IRQ3 if we
* loose our first interrupt.
*/
instance = scsi_register(tpnt, 0);
hostno = instance->host_no;
if (request_irq((int) irq, seagate_reconnect_intr, SA_INTERRUPT,
(controller_type == SEAGATE) ? "seagate" : "tmc-8xx", NULL)) {
printk("scsi%d : unable to allocate IRQ%d\n",
hostno, (int) irq);
return 0;
}
instance->irq = irq;
instance->io_port = (unsigned int) base_address;
#ifdef SLOW_HANDSHAKE
borken_init();
#endif
printk("%s options:"
#ifdef ARBITRATE
" ARBITRATE"
#endif
#ifdef SLOW_HANDSHAKE
" SLOW_HANDSHAKE"
#endif
#ifdef FAST
#ifdef FAST32
" FAST32"
#else
" FAST"
#endif
#endif
#ifdef LINKED
" LINKED"
#endif
"\n", tpnt->name);
return 1;
}
else
{
#ifdef DEBUG
printk("ST0x / TMC-8xx not detected.\n");
#endif
return 0;
}
}
