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authorOndrej Zary <linux@rainbow-software.org>2015-11-17 19:24:27 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-25 22:08:54 -0500
commitecc6ff95d1a84f0a025112e071be40dd905a5168 (patch)
tree9c6ab4a49089cecac4e26ad6c701481d16a05c9d
parentc7e6a0298d56694d79189cd9127ac8ec1c2275ca (diff)
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atp870u: Introduce atp885_init()
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>
-rw-r--r--drivers/scsi/atp870u.c231
1 files changed, 113 insertions, 118 deletions
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index c1fd9fb8d40f..584b90f46212 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -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 &&