#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/completion.h>
+#include <linux/time.h>
#include <linux/interrupt.h>
#include <asm/semaphore.h>
#include "aacraid.h"
-static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t aac_sa_intr(int irq, void *dev_id)
{
struct aac_dev *dev = dev_id;
unsigned short intstat, mask;
if (intstat & mask) {
if (intstat & PrintfReady) {
- aac_printf(dev, le32_to_cpu(sa_readl(dev, Mailbox5)));
+ aac_printf(dev, sa_readl(dev, Mailbox5));
sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */
sa_writew(dev, DoorbellReg_s, PrintfDone);
} else if (intstat & DOORBELL_1) { // dev -> Host Normal Command Ready
- aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
sa_writew(dev, DoorbellClrReg_p, DOORBELL_1);
+ aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
} else if (intstat & DOORBELL_2) { // dev -> Host Normal Response Ready
- aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
sa_writew(dev, DoorbellClrReg_p, DOORBELL_2);
+ aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
} else if (intstat & DOORBELL_3) { // dev -> Host Normal Command Not Full
sa_writew(dev, DoorbellClrReg_p, DOORBELL_3);
} else if (intstat & DOORBELL_4) { // dev -> Host Normal Response Not Full
}
/**
- * aac_sa_enable_interrupt - enable an interrupt event
- * @dev: Which adapter to enable.
- * @event: Which adapter event.
- *
- * This routine will enable the corresponding adapter event to cause an interrupt on
- * the host.
- */
-
-void aac_sa_enable_interrupt(struct aac_dev *dev, u32 event)
-{
- switch (event) {
-
- case HostNormCmdQue:
- sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_1);
- break;
-
- case HostNormRespQue:
- sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_2);
- break;
-
- case AdapNormCmdNotFull:
- sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_3);
- break;
-
- case AdapNormRespNotFull:
- sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_4);
- break;
- }
-}
-
-/**
- * aac_sa_disable_interrupt - disable an interrupt event
+ * aac_sa_disable_interrupt - disable interrupt
* @dev: Which adapter to enable.
- * @event: Which adapter event.
- *
- * This routine will enable the corresponding adapter event to cause an interrupt on
- * the host.
*/
-void aac_sa_disable_interrupt (struct aac_dev *dev, u32 event)
+static void aac_sa_disable_interrupt (struct aac_dev *dev)
{
- switch (event) {
-
- case HostNormCmdQue:
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_1);
- break;
-
- case HostNormRespQue:
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_2);
- break;
-
- case AdapNormCmdNotFull:
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_3);
- break;
-
- case AdapNormRespNotFull:
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_4);
- break;
- }
+ sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
}
/**
* Notify the adapter of an event
*/
-void aac_sa_notify_adapter(struct aac_dev *dev, u32 event)
+static void aac_sa_notify_adapter(struct aac_dev *dev, u32 event)
{
switch (event) {
sa_writew(dev, DoorbellReg_s,DOORBELL_3);
break;
case HostShutdown:
- //sa_sync_cmd(dev, HOST_CRASHING, 0, &ret);
+ /*
+ sa_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0,
+ NULL, NULL, NULL, NULL, NULL);
+ */
break;
case FastIo:
sa_writew(dev, DoorbellReg_s,DOORBELL_6);
* @p1: first parameter
* @ret: adapter status
*
- * This routine will send a synchronous comamnd to the adapter and wait
+ * This routine will send a synchronous command to the adapter and wait
* for its completion.
*/
-static int sa_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *ret)
+static int sa_sync_cmd(struct aac_dev *dev, u32 command,
+ u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
+ u32 *ret, u32 *r1, u32 *r2, u32 *r3, u32 *r4)
{
unsigned long start;
int ok;
/*
* Write the Command into Mailbox 0
*/
- sa_writel(dev, Mailbox0, cpu_to_le32(command));
+ sa_writel(dev, Mailbox0, command);
/*
* Write the parameters into Mailboxes 1 - 4
*/
- sa_writel(dev, Mailbox1, cpu_to_le32(p1));
- sa_writel(dev, Mailbox2, 0);
- sa_writel(dev, Mailbox3, 0);
- sa_writel(dev, Mailbox4, 0);
+ sa_writel(dev, Mailbox1, p1);
+ sa_writel(dev, Mailbox2, p2);
+ sa_writel(dev, Mailbox3, p3);
+ sa_writel(dev, Mailbox4, p4);
+
/*
* Clear the synch command doorbell to start on a clean slate.
*/
ok = 1;
break;
}
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ msleep(1);
}
if (ok != 1)
/*
* Pull the synch status from Mailbox 0.
*/
- *ret = le32_to_cpu(sa_readl(dev, Mailbox0));
+ if (ret)
+ *ret = sa_readl(dev, Mailbox0);
+ if (r1)
+ *r1 = sa_readl(dev, Mailbox1);
+ if (r2)
+ *r2 = sa_readl(dev, Mailbox2);
+ if (r3)
+ *r3 = sa_readl(dev, Mailbox3);
+ if (r4)
+ *r4 = sa_readl(dev, Mailbox4);
return 0;
}
static void aac_sa_interrupt_adapter (struct aac_dev *dev)
{
- u32 ret;
- sa_sync_cmd(dev, BREAKPOINT_REQUEST, 0, &ret);
+ sa_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0,
+ NULL, NULL, NULL, NULL, NULL);
}
/**
static void aac_sa_start_adapter(struct aac_dev *dev)
{
- u32 ret;
struct aac_init *init;
/*
* Fill in the remaining pieces of the init.
*/
init = dev->init;
- init->HostElapsedSeconds = cpu_to_le32(jiffies/HZ);
-
- dprintk(("INIT\n"));
- /*
- * Tell the adapter we are back and up and running so it will scan its command
- * queues and enable our interrupts
- */
- dev->irq_mask = (PrintfReady | DOORBELL_1 | DOORBELL_2 | DOORBELL_3 | DOORBELL_4);
- /*
- * First clear out all interrupts. Then enable the one's that
- * we can handle.
- */
- dprintk(("MASK\n"));
- sa_writew(dev, SaDbCSR.PRISETIRQMASK, cpu_to_le16(0xffff));
- sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 | DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
- dprintk(("SYNCCMD\n"));
+ init->HostElapsedSeconds = cpu_to_le32(get_seconds());
/* We can only use a 32 bit address here */
- sa_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, &ret);
+ sa_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS,
+ (u32)(ulong)dev->init_pa, 0, 0, 0, 0, 0,
+ NULL, NULL, NULL, NULL, NULL);
}
/**
* Everything is OK
*/
return 0;
-} /* aac_sa_check_health */
+}
+
+/**
+ * aac_sa_ioremap
+ * @size: mapping resize request
+ *
+ */
+static int aac_sa_ioremap(struct aac_dev * dev, u32 size)
+{
+ if (!size) {
+ iounmap(dev->regs.sa);
+ return 0;
+ }
+ dev->base = dev->regs.sa = ioremap(dev->scsi_host_ptr->base, size);
+ return (dev->base == NULL) ? -1 : 0;
+}
/**
* aac_sa_init - initialize an ARM based AAC card
* @dev: device to configure
- * @devnum: adapter number
*
* Allocate and set up resources for the ARM based AAC variants. The
* device_interface in the commregion will be allocated and linked
* to the comm region.
*/
-int aac_sa_init(struct aac_dev *dev, unsigned long devnum)
+int aac_sa_init(struct aac_dev *dev)
{
unsigned long start;
unsigned long status;
int instance;
const char *name;
- dev->devnum = devnum;
-
- dprintk(("PREINST\n"));
instance = dev->id;
name = dev->name;
- /*
- * Map in the registers from the adapter.
- */
- dprintk(("PREMAP\n"));
-
- if((dev->regs.sa = (struct sa_registers *)ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL)
- {
- printk(KERN_WARNING "aacraid: unable to map ARM.\n" );
- return -1;
+ if (aac_sa_ioremap(dev, dev->base_size)) {
+ printk(KERN_WARNING "%s: unable to map adapter.\n", name);
+ goto error_iounmap;
}
+
/*
* Check to see if the board failed any self tests.
*/
if (sa_readl(dev, Mailbox7) & SELF_TEST_FAILED) {
printk(KERN_WARNING "%s%d: adapter self-test failed.\n", name, instance);
- return -1;
+ goto error_iounmap;
}
/*
* Check to see if the board panic'd while booting.
*/
if (sa_readl(dev, Mailbox7) & KERNEL_PANIC) {
printk(KERN_WARNING "%s%d: adapter kernel panic'd.\n", name, instance);
- return -1;
+ goto error_iounmap;
}
start = jiffies;
/*
* Wait for the adapter to be up and running. Wait up to 3 minutes.
*/
while (!(sa_readl(dev, Mailbox7) & KERNEL_UP_AND_RUNNING)) {
- if (time_after(jiffies, start+180*HZ)) {
- status = sa_readl(dev, Mailbox7) >> 16;
- printk(KERN_WARNING "%s%d: adapter kernel failed to start, init status = %d.\n", name, instance, le32_to_cpu(status));
- return -1;
+ if (time_after(jiffies, start+startup_timeout*HZ)) {
+ status = sa_readl(dev, Mailbox7);
+ printk(KERN_WARNING "%s%d: adapter kernel failed to start, init status = %lx.\n",
+ name, instance, status);
+ goto error_iounmap;
}
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ msleep(1);
}
- dprintk(("ATIRQ\n"));
- if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev ) < 0) {
+ if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev ) < 0) {
printk(KERN_WARNING "%s%d: Interrupt unavailable.\n", name, instance);
- return -1;
+ goto error_iounmap;
}
/*
*/
dev->a_ops.adapter_interrupt = aac_sa_interrupt_adapter;
- dev->a_ops.adapter_enable_int = aac_sa_enable_interrupt;
dev->a_ops.adapter_disable_int = aac_sa_disable_interrupt;
dev->a_ops.adapter_notify = aac_sa_notify_adapter;
dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
dev->a_ops.adapter_check_health = aac_sa_check_health;
+ dev->a_ops.adapter_ioremap = aac_sa_ioremap;
- dprintk(("FUNCDONE\n"));
-
- if(aac_init_adapter(dev) == NULL)
- return -1;
-
- dprintk(("NEWADAPTDONE\n"));
/*
- * Start any kernel threads needed
+ * First clear out all interrupts. Then enable the one's that
+ * we can handle.
*/
- dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0);
- if (dev->thread_pid < 0) {
- printk(KERN_ERR "aacraid: Unable to create command thread.\n");
- return -1;
- }
+ sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
+ sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 |
+ DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
+
+ if(aac_init_adapter(dev) == NULL)
+ goto error_irq;
/*
* Tell the adapter that all is configure, and it can start
* accepting requests
*/
- dprintk(("STARTING\n"));
aac_sa_start_adapter(dev);
- dprintk(("STARTED\n"));
return 0;
+
+error_irq:
+ sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
+ free_irq(dev->scsi_host_ptr->irq, (void *)dev);
+
+error_iounmap:
+
+ return -1;
}