static struct Scsi_Host *__qlogicfas_detect(struct scsi_host_template *host,
int qbase,
int qlirq)
{
int qltyp;
int qinitid;
struct Scsi_Host *hreg;
struct qlogicfas408_priv *priv;
if (!qbase || qlirq == -1)
goto err;
if (!request_region(qbase, 0x10, qlogicfas_name)) {
printk(KERN_INFO "%s: address %#x is busy\n", qlogicfas_name,
qbase);
goto err;
}
if (!qlogicfas408_detect(qbase, INT_TYPE)) {
printk(KERN_WARNING "%s: probe failed for %#x\n",
qlogicfas_name,
qbase);
goto err_release_mem;
}
printk(KERN_INFO "%s: Using preset base address of %03x,"
" IRQ %d\n", qlogicfas_name, qbase, qlirq);
qltyp = qlogicfas408_get_chip_type(qbase, INT_TYPE);
qinitid = host->this_id;
if (qinitid < 0)
qinitid = 7;
qlogicfas408_setup(qbase, qinitid, INT_TYPE);
hreg = scsi_host_alloc(host, sizeof(struct qlogicfas408_priv));
if (!hreg)
goto err_release_mem;
priv = get_priv_by_host(hreg);
hreg->io_port = qbase;
hreg->n_io_port = 16;
hreg->dma_channel = -1;
if (qlirq != -1)
hreg->irq = qlirq;
priv->qbase = qbase;
priv->qlirq = qlirq;
priv->qinitid = qinitid;
priv->shost = hreg;
priv->int_type = INT_TYPE;
sprintf(priv->qinfo,
"Qlogicfas Driver version 0.46, chip %02X at %03X, IRQ %d, TPdma:%d",
qltyp, qbase, qlirq, QL_TURBO_PDMA);
host->name = qlogicfas_name;
if (request_irq(qlirq, qlogicfas408_ihandl, 0, qlogicfas_name, hreg))
goto free_scsi_host;
if (scsi_add_host(hreg, NULL))
goto free_interrupt;
scsi_scan_host(hreg);
return hreg;
free_interrupt:
free_irq(qlirq, hreg);
free_scsi_host:
scsi_host_put(hreg);
err_release_mem:
release_region(qbase, 0x10);
err:
return NULL;
}
static struct Scsi_Host *__qlogicfas_detect(struct scsi_host_template *host,
int qbase,
int qlirq)
{
int qltyp; /* type of chip */
int qinitid;
struct Scsi_Host *hreg; /* registered host structure */
struct qlogicfas408_priv *priv;
/* Qlogic Cards only exist at 0x230 or 0x330 (the chip itself
* decodes the address - I check 230 first since MIDI cards are
* typically at 0x330
*
* Theoretically, two Qlogic cards can coexist in the same system.
* This should work by simply using this as a loadable module for
* the second card, but I haven't tested this.
*/
if (!qbase || qlirq == -1)
goto err;
if (!request_region(qbase, 0x10, qlogicfas_name)) {
printk(KERN_INFO "%s: address %#x is busy\n", qlogicfas_name,
qbase);
goto err;
}
if (!qlogicfas408_detect(qbase, INT_TYPE)) {
printk(KERN_WARNING "%s: probe failed for %#x\n",
qlogicfas_name,
qbase);
goto err_release_mem;
}
printk(KERN_INFO "%s: Using preset base address of %03x,"
" IRQ %d\n", qlogicfas_name, qbase, qlirq);
qltyp = qlogicfas408_get_chip_type(qbase, INT_TYPE);
qinitid = host->this_id;
if (qinitid < 0)
qinitid = 7; /* if no ID, use 7 */
qlogicfas408_setup(qbase, qinitid, INT_TYPE);
hreg = scsi_host_alloc(host, sizeof(struct qlogicfas408_priv));
if (!hreg)
goto err_release_mem;
priv = get_priv_by_host(hreg);
hreg->io_port = qbase;
hreg->n_io_port = 16;
hreg->dma_channel = -1;
if (qlirq != -1)
hreg->irq = qlirq;
priv->qbase = qbase;
priv->qlirq = qlirq;
priv->qinitid = qinitid;
priv->shost = hreg;
priv->int_type = INT_TYPE;
sprintf(priv->qinfo,
"Qlogicfas Driver version 0.46, chip %02X at %03X, IRQ %d, TPdma:%d",
qltyp, qbase, qlirq, QL_TURBO_PDMA);
host->name = qlogicfas_name;
if (request_irq(qlirq, qlogicfas408_ihandl, 0, qlogicfas_name, hreg))
goto free_scsi_host;
if (scsi_add_host(hreg, NULL))
goto free_interrupt;
scsi_scan_host(hreg);
return hreg;
free_interrupt:
free_irq(qlirq, hreg);
free_scsi_host:
scsi_host_put(hreg);
err_release_mem:
release_region(qbase, 0x10);
err:
return NULL;
}