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Diffstat (limited to 'sys/arch/arc/dev/asc.c')
-rw-r--r--sys/arch/arc/dev/asc.c98
1 files changed, 55 insertions, 43 deletions
diff --git a/sys/arch/arc/dev/asc.c b/sys/arch/arc/dev/asc.c
index 240285177d1..fb10dca8c3e 100644
--- a/sys/arch/arc/dev/asc.c
+++ b/sys/arch/arc/dev/asc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: asc.c,v 1.4 1996/11/23 21:45:29 kstailey Exp $ */
+/* $OpenBSD: asc.c,v 1.5 1997/04/19 17:19:50 pefo Exp $ */
/* $NetBSD: asc.c,v 1.10 1994/12/05 19:11:12 dean Exp $ */
/*-
@@ -190,8 +190,9 @@ int asc_to_scsi_period[] = {
/*
* Internal forward declarations.
*/
-static void asc_reset();
-static void asc_startcmd();
+struct asc_softc;
+static void asc_reset __P((struct asc_softc *, asc_regmap_t *));
+static void asc_startcmd __P((struct asc_softc *, int));
#ifdef DEBUG
int asc_debug = 1;
@@ -225,7 +226,8 @@ struct asc_log {
*/
typedef struct script {
int condition; /* expected state at interrupt time */
- int (*action)(); /* extra operations */
+ int (*action)(struct asc_softc *, int, int, int);
+ /* extra operations */
int command; /* command to the chip */
struct script *next; /* index into asc_scripts for next state */
} script_t;
@@ -233,22 +235,38 @@ typedef struct script {
/* Matching on the condition value */
#define SCRIPT_MATCH(ir, csr) ((ir) | (((csr) & 0x67) << 8))
+
/* forward decls of script actions */
-static int script_nop(); /* when nothing needed */
-static int asc_end(); /* all come to an end */
-static int asc_get_status(); /* get status from target */
-static int asc_dma_in(); /* start reading data from target */
-static int asc_last_dma_in(); /* cleanup after all data is read */
-static int asc_resume_in(); /* resume data in after a message */
-static int asc_resume_dma_in(); /* resume DMA after a disconnect */
-static int asc_dma_out(); /* send data to target via dma */
-static int asc_last_dma_out(); /* cleanup after all data is written */
-static int asc_resume_out(); /* resume data out after a message */
-static int asc_resume_dma_out(); /* resume DMA after a disconnect */
-static int asc_sendsync(); /* negotiate sync xfer */
-static int asc_replysync(); /* negotiate sync xfer */
-static int asc_msg_in(); /* process a message byte */
-static int asc_disconnect(); /* process an expected disconnect */
+ /* when nothing needed */
+static int script_nop __P((struct asc_softc *, int, int, int));
+ /* all come to an end */
+static int asc_end __P((struct asc_softc *, int, int, int));
+ /* get status from target */
+static int asc_get_status __P((struct asc_softc *, int, int, int));
+ /* start reading data from target */
+static int asc_dma_in __P((struct asc_softc *, int, int, int));
+ /* cleanup after all data is read */
+static int asc_last_dma_in __P((struct asc_softc *, int, int, int));
+ /* resume data in after a message */
+static int asc_resume_in __P((struct asc_softc *, int, int, int));
+ /* resume DMA after a disconnect */
+static int asc_resume_dma_in __P((struct asc_softc *, int, int, int));
+ /* send data to target via dma */
+static int asc_dma_out __P((struct asc_softc *, int, int, int));
+ /* cleanup after all data is written */
+static int asc_last_dma_out __P((struct asc_softc *, int, int, int));
+ /* resume data out after a message */
+static int asc_resume_out __P((struct asc_softc *, int, int, int));
+ /* resume DMA after a disconnect */
+static int asc_resume_dma_out __P((struct asc_softc *, int, int, int));
+ /* negotiate sync xfer */
+static int asc_sendsync __P((struct asc_softc *, int, int, int));
+ /* negotiate sync xfer */
+static int asc_replysync __P((struct asc_softc *, int, int, int));
+ /* process a message byte */
+static int asc_msg_in __P((struct asc_softc *, int, int, int));
+ /* process an expected disconnect */
+static int asc_disconnect __P((struct asc_softc *, int, int, int));
/* Define the index into asc_scripts for various state transitions */
#define SCRIPT_DATA_IN 0
@@ -471,9 +489,9 @@ struct scsi_device asc_dev = {
/*XXX*/ NULL, /* Use default 'done' routine */
};
-static int asc_probe();
-static void asc_start();
-static int asc_intr();
+static int asc_intr __P((void *));
+static int asc_poll __P((struct asc_softc *, int));
+static void asc_DumpLog __P((char *));
/*
* Match driver based on name
@@ -484,7 +502,6 @@ ascmatch(parent, match, aux)
void *match;
void *aux;
{
- struct cfdata *cf = match;
struct confargs *ca = aux;
if(!BUS_MATCHNAME(ca, "asc"))
@@ -633,7 +650,6 @@ asc_scsi_cmd(xs)
{
struct scsi_link *sc_link = xs->sc_link;
struct asc_softc *asc = sc_link->adapter_softc;
- State *state = &asc->st[sc_link->target];
int flags, s;
@@ -643,7 +659,7 @@ asc_scsi_cmd(xs)
* Flush caches for any data buffer
*/
if(xs->datalen != 0) {
- R4K_HitFlushDCache(xs->data, xs->datalen);
+ R4K_HitFlushDCache((vm_offset_t)xs->data, xs->datalen);
}
/*
* The hack on the next few lines are to avoid buffers
@@ -902,7 +918,7 @@ asc_intr(sc)
ss = regs->asc_ss;
if ((status & ASC_CSR_INT) == 0) /* Make shure it's a real interrupt */
- return;
+ return(0);
ir = regs->asc_intr; /* this resets the previous two */
scpt = asc->script;
@@ -1022,8 +1038,6 @@ printf("asc_intr: fifo flush %d len %d fifo %x\n", fifo, len, regs->asc_fifo);
len += fifo; /* Bytes dma'ed but not sent */
}
else if (state->flags & DMA_IN) {
- u_char *cp;
-
printf("asc_intr: IN: dmalen %d len %d fifo %d\n",
state->dmalen, len, fifo); /* XXX */
}
@@ -1150,7 +1164,7 @@ printf("asc_intr: fifo flush %d len %d fifo %x\n", fifo, len, regs->asc_fifo);
asc->st[i].flags = 0;
}
asc->target = -1;
- return;
+ return(1);
}
/* check for command errors */
@@ -1190,7 +1204,7 @@ printf("asc_intr: fifo flush %d len %d fifo %x\n", fifo, len, regs->asc_fifo);
}
asc->cmd[asc->target]->error = XS_DRIVER_STUFFUP;
asc_end(asc, status, ss, ir);
- return;
+ return(1);
}
/* FALLTHROUGH */
@@ -1211,7 +1225,7 @@ printf("asc_intr: fifo flush %d len %d fifo %x\n", fifo, len, regs->asc_fifo);
state->flags |= DISCONN;
regs->asc_cmd = ASC_CMD_ENABLE_SEL;
readback(regs->asc_cmd);
- return;
+ return(1);
}
}
@@ -1265,17 +1279,14 @@ done:
* dispatcher (which we are returning to) will catch it
* before returning to the interrupted code.
*/
- return;
+ return(1);
abort:
#ifdef DEBUG
asc_DumpLog("asc_intr");
#endif
-#if 0
panic("asc_intr");
-#else
- boot(4); /* XXX */
-#endif
+ return(1);
}
/*
@@ -1286,8 +1297,8 @@ abort:
/* ARGSUSED */
static int
script_nop(asc, status, ss, ir)
- register asc_softc_t asc;
- register int status, ss, ir;
+ asc_softc_t asc;
+ int status, ss, ir;
{
return (1);
}
@@ -1344,8 +1355,8 @@ asc_get_status(asc, status, ss, ir)
/* ARGSUSED */
static int
asc_end(asc, status, ss, ir)
- register asc_softc_t asc;
- register int status, ss, ir;
+ asc_softc_t asc;
+ int status, ss, ir;
{
struct scsi_xfer *scsicmd;
struct scsi_link *sc_link;
@@ -2026,10 +2037,10 @@ done:
/* ARGSUSED */
static int
asc_disconnect(asc, status, ss, ir)
- register asc_softc_t asc;
- register int status, ss, ir;
+ asc_softc_t asc;
+ int status, ss, ir;
{
- register State *state = &asc->st[asc->target];
+ State *state = &asc->st[asc->target];
#ifdef DIAGNOSTIC
if (!(state->flags & DISCONN)) {
@@ -2046,6 +2057,7 @@ asc_disconnect(asc, status, ss, ir)
/*
* Dump the log buffer.
*/
+static void
asc_DumpLog(str)
char *str;
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 03:41:38 +0000