atp870u: Introduce atp885_init()
authorOndrej Zary <linux@rainbow-software.org>
Tue, 17 Nov 2015 18:24:27 +0000 (19:24 +0100)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 26 Nov 2015 03:08:54 +0000 (22:08 -0500)
Move 885-specific init code to a separate function atp885_init()

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/atp870u.c

index c1fd9fb8d40fd518ccc39a1202d967243d2fff02..584b90f4621286d6c16b35a8293ea53deea9d031 100644 (file)
@@ -1334,15 +1334,122 @@ static void atp880_init(struct Scsi_Host *shpnt)
        shpnt->this_id = host_id;
 }
 
+static void atp885_init(struct Scsi_Host *shpnt)
+{
+       struct atp_unit *atpdev = shost_priv(shpnt);
+       struct pci_dev *pdev = atpdev->pdev;
+       unsigned char k, m, c;
+       unsigned int n;
+       unsigned char setupdata[2][16];
+
+       dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD Host Adapter: IO:%lx, IRQ:%d.\n",
+                shpnt->io_port, shpnt->irq);
+
+       atpdev->ioport[0] = shpnt->io_port + 0x80;
+       atpdev->ioport[1] = shpnt->io_port + 0xc0;
+       atpdev->pciport[0] = shpnt->io_port + 0x40;
+       atpdev->pciport[1] = shpnt->io_port + 0x50;
+
+       c = atp_readb_base(atpdev, 0x29);
+       atp_writeb_base(atpdev, 0x29, c | 0x04);
+
+       n = 0x1f80;
+       while (n < 0x2000) {
+               atp_writew_base(atpdev, 0x3c, n);
+               if (atp_readl_base(atpdev, 0x38) == 0xffffffff)
+                       break;
+               for (m = 0; m < 2; m++) {
+                       atpdev->global_map[m] = 0;
+                       for (k = 0; k < 4; k++) {
+                               atp_writew_base(atpdev, 0x3c, n++);
+                               ((unsigned long *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38);
+                       }
+                       for (k = 0; k < 4; k++) {
+                               atp_writew_base(atpdev, 0x3c, n++);
+                               ((unsigned long *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38);
+                       }
+                       n += 8;
+               }
+       }
+       c = atp_readb_base(atpdev, 0x29);
+       atp_writeb_base(atpdev, 0x29, c & 0xfb);
+       for (c = 0; c < 2; c++) {
+               atpdev->ultra_map[c] = 0;
+               atpdev->async[c] = 0;
+               for (k = 0; k < 16; k++) {
+                       n = 1 << k;
+                       if (atpdev->sp[c][k] > 1)
+                               atpdev->ultra_map[c] |= n;
+                       else
+                               if (atpdev->sp[c][k] == 0)
+                                       atpdev->async[c] |= n;
+               }
+               atpdev->async[c] = ~(atpdev->async[c]);
+
+               if (atpdev->global_map[c] == 0) {
+                       k = setupdata[c][1];
+                       if ((k & 0x40) != 0)
+                               atpdev->global_map[c] |= 0x20;
+                       k &= 0x07;
+                       atpdev->global_map[c] |= k;
+                       if ((setupdata[c][2] & 0x04) != 0)
+                               atpdev->global_map[c] |= 0x08;
+                       atpdev->host_id[c] = setupdata[c][0] & 0x07;
+               }
+       }
+
+       k = atp_readb_base(atpdev, 0x28) & 0x8f;
+       k |= 0x10;
+       atp_writeb_base(atpdev, 0x28, k);
+       atp_writeb_pci(atpdev, 0, 1, 0x80);
+       atp_writeb_pci(atpdev, 1, 1, 0x80);
+       mdelay(100);
+       atp_writeb_pci(atpdev, 0, 1, 0);
+       atp_writeb_pci(atpdev, 1, 1, 0);
+       mdelay(1000);
+       atp_readb_io(atpdev, 0, 0x1b);
+       atp_readb_io(atpdev, 0, 0x17);
+       atp_readb_io(atpdev, 1, 0x1b);
+       atp_readb_io(atpdev, 1, 0x17);
+
+       k = atpdev->host_id[0];
+       if (k > 7)
+               k = (k & 0x07) | 0x40;
+       atp_set_host_id(atpdev, 0, k);
+
+       k = atpdev->host_id[1];
+       if (k > 7)
+               k = (k & 0x07) | 0x40;
+       atp_set_host_id(atpdev, 1, k);
+
+       mdelay(600); /* this delay used to be called tscam_885() */
+       dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n");
+       atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
+       atp_writeb_io(atpdev, 0, 0x16, 0x80);
+       dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n");
+       atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
+       atp_writeb_io(atpdev, 1, 0x16, 0x80);
+       k = atp_readb_base(atpdev, 0x28) & 0xcf;
+       k |= 0xc0;
+       atp_writeb_base(atpdev, 0x28, k);
+       k = atp_readb_base(atpdev, 0x1f) | 0x80;
+       atp_writeb_base(atpdev, 0x1f, k);
+       k = atp_readb_base(atpdev, 0x29) | 0x01;
+       atp_writeb_base(atpdev, 0x29, k);
+       shpnt->max_id = 16;
+       shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1;
+       shpnt->max_channel = 1;
+       shpnt->this_id = atpdev->host_id[0];
+}
+
 /* return non-zero on detection */
 static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-       unsigned char k, m, c;
-       unsigned int error,n;
+       unsigned char k;
+       unsigned int error;
        unsigned char host_id;
        struct Scsi_Host *shpnt = NULL;
        struct atp_unit *atpdev;
-       unsigned char setupdata[2][16];
        int err;
 
        if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) {
@@ -1391,121 +1498,9 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        if (is880(atpdev))
                atp880_init(shpnt);
-       else if (is885(atpdev)) {
-                       printk(KERN_INFO "   ACARD AEC-67162 PCI Ultra3 LVD Host Adapter:  IO:%lx, IRQ:%d.\n"
-                              , shpnt->io_port, shpnt->irq);
-               
-               atpdev->pdev = pdev;
-               atpdev->ioport[0] = shpnt->io_port + 0x80;
-               atpdev->ioport[1] = shpnt->io_port + 0xc0;
-               atpdev->pciport[0] = shpnt->io_port + 0x40;
-               atpdev->pciport[1] = shpnt->io_port + 0x50;
-                               
-               c = atp_readb_base(atpdev, 0x29);
-               atp_writeb_base(atpdev, 0x29, c | 0x04);
-               
-               n=0x1f80;
-next_fblk_885:
-               if (n >= 0x2000) {
-                  goto flash_ok_885;
-               }
-               atp_writew_base(atpdev, 0x3c, n);
-               if (atp_readl_base(atpdev, 0x38) == 0xffffffff) {
-                  goto flash_ok_885;
-               }
-               for (m=0; m < 2; m++) {
-                   atpdev->global_map[m]= 0;
-                   for (k=0; k < 4; k++) {
-                       atp_writew_base(atpdev, 0x3c, n++);
-                       ((unsigned long *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38);
-                   }
-                   for (k=0; k < 4; k++) {
-                       atp_writew_base(atpdev, 0x3c, n++);
-                       ((unsigned long *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38);
-                   }
-                   n += 8;
-               }
-               goto next_fblk_885;
-flash_ok_885:
-#ifdef ED_DBGP
-               printk( "Flash Read OK\n");
-#endif 
-               c = atp_readb_base(atpdev, 0x29);
-               atp_writeb_base(atpdev, 0x29, c & 0xfb);
-               for (c=0;c < 2;c++) {
-                   atpdev->ultra_map[c]=0;
-                   atpdev->async[c] = 0;
-                   for (k=0; k < 16; k++) {
-                       n=1;
-                       n = n << k;
-                       if (atpdev->sp[c][k] > 1) {
-                          atpdev->ultra_map[c] |= n;
-                       } else {
-                          if (atpdev->sp[c][k] == 0) {
-                             atpdev->async[c] |= n;
-                          }
-                       }
-                   }
-                   atpdev->async[c] = ~(atpdev->async[c]);
-
-                   if (atpdev->global_map[c] == 0) {
-                      k=setupdata[c][1];
-                      if ((k & 0x40) != 0)
-                         atpdev->global_map[c] |= 0x20;
-                      k &= 0x07;
-                      atpdev->global_map[c] |= k;
-                      if ((setupdata[c][2] & 0x04) != 0)
-                         atpdev->global_map[c] |= 0x08;
-                      atpdev->host_id[c] = setupdata[c][0] & 0x07;
-                   }
-               }
-
-               k = atp_readb_base(atpdev, 0x28) & 0x8f;
-               k |= 0x10;
-               atp_writeb_base(atpdev, 0x28, k);
-               atp_writeb_pci(atpdev, 0, 1, 0x80);
-               atp_writeb_pci(atpdev, 1, 1, 0x80);
-               mdelay(100);
-               atp_writeb_pci(atpdev, 0, 1, 0);
-               atp_writeb_pci(atpdev, 1, 1, 0);
-               mdelay(1000);
-               atp_readb_io(atpdev, 0, 0x1b);
-               atp_readb_io(atpdev, 0, 0x17);
-               atp_readb_io(atpdev, 1, 0x1b);
-               atp_readb_io(atpdev, 1, 0x17);
-
-               k=atpdev->host_id[0];
-               if (k > 7)
-                  k = (k & 0x07) | 0x40;
-               atp_set_host_id(atpdev, 0, k);
-
-               k=atpdev->host_id[1];
-               if (k > 7)
-                  k = (k & 0x07) | 0x40;
-               atp_set_host_id(atpdev, 1, k);
-
-               mdelay(600); /* this delay used to be called tscam_885() */
-               printk(KERN_INFO "   Scanning Channel A SCSI Device ...\n");
-               atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
-               atp_writeb_io(atpdev, 0, 0x16, 0x80);
-               printk(KERN_INFO "   Scanning Channel B SCSI Device ...\n");
-               atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
-               atp_writeb_io(atpdev, 1, 0x16, 0x80);
-               k = atp_readb_base(atpdev, 0x28) & 0xcf;
-               k |= 0xc0;
-               atp_writeb_base(atpdev, 0x28, k);
-               k = atp_readb_base(atpdev, 0x1f) | 0x80;
-               atp_writeb_base(atpdev, 0x1f, k);
-               k = atp_readb_base(atpdev, 0x29) | 0x01;
-               atp_writeb_base(atpdev, 0x29, k);
-#ifdef ED_DBGP
-               //printk("atp885: atp_host[0] 0x%p\n", atp_host[0]);
-#endif         
-               shpnt->max_id = 16;
-               shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1;
-               shpnt->max_channel = 1;
-               shpnt->this_id = atpdev->host_id[0];
-       } else {
+       else if (is885(atpdev))
+               atp885_init(shpnt);
+       else {
                u8 scam_on;
                bool wide_chip =
                        (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&