From df91bf49f0979d8418358821772a374bbab0f6e1 Mon Sep 17 00:00:00 2001
From: tanimura <tanimura@FreeBSD.org>
Date: Tue, 5 Feb 2002 06:52:56 +0000
Subject: - Do not hang if the resource allocation fails. - Add another quirk
 entry of SB AWE64.

PR:		kern/32530
Submitted by:	Magnus Backstrom <b@etek.chalmers.se>
---
 sys/dev/sound/isa/emu8000.c | 47 +++++++++++++++++++++++++++------------------
 sys/isa/pnp.c               |  2 ++
 2 files changed, 30 insertions(+), 19 deletions(-)

(limited to 'sys')

diff --git a/sys/dev/sound/isa/emu8000.c b/sys/dev/sound/isa/emu8000.c
index d17ca3c..73ac39f 100644
--- a/sys/dev/sound/isa/emu8000.c
+++ b/sys/dev/sound/isa/emu8000.c
@@ -1910,30 +1910,39 @@ emu_status(sc_p scp, int reg, int chn)
 static int
 emu_allocres(sc_p scp, device_t dev)
 {
-	int iobase;
+	int i;
 
-	if (scp->io[0] == NULL) {
-		scp->io_rid[0] = 0;
-		scp->io[0] = bus_alloc_resource(dev, SYS_RES_IOPORT, &scp->io_rid[0], 0, ~0, 4, RF_ACTIVE);
-	}
-	if (scp->io[0] == NULL)
-		return (1);
-	iobase = rman_get_start(scp->io[0]);
-	if (scp->io[1] == NULL) {
-		scp->io_rid[1] = 1;
-		scp->io[1] = bus_alloc_resource(dev, SYS_RES_IOPORT, &scp->io_rid[1], iobase + 0x400, iobase + 0x400 + 3, 4, RF_ACTIVE);
-	}
-	if (scp->io[2] == NULL) {
-		scp->io_rid[2] = 2;
-		scp->io[2] = bus_alloc_resource(dev, SYS_RES_IOPORT, &scp->io_rid[2], iobase + 0x800, iobase + 0x800 + 3, 4, RF_ACTIVE);
+	/*
+	 * Attempt to allocate the EMU8000's three I/O port ranges.
+	 */
+	for (i = 0; i < 3; i++)
+	{
+		if (scp->io[i] == NULL)
+		{
+			scp->io_rid[i] = i;
+			scp->io[i] = bus_alloc_resource(dev, SYS_RES_IOPORT,
+							&(scp->io_rid[i]),
+							0, ~0, 4, RF_ACTIVE);
+		}
 	}
 
-	if (scp->io[0] == NULL || scp->io[1] == NULL || scp->io[2] == NULL) {
-		printf("emu_allocres: failed.\n");
-		return (1);
+	/*
+	 * Fail if any of the I/O ranges failed (I.e. weren't identified and
+	 * configured by PNP, which can happen if the ID of the card isn't
+	 * known by the PNP quirk-handling logic)
+	 */
+	if (scp->io[0] == NULL || scp->io[1] == NULL || scp->io[2] == NULL)
+	{
+		printf("emu%d: Resource alloc failed, pnp_quirks "
+		       "may need { 0x%08x, 0x%08x }\n",
+		       device_get_unit(dev),
+		       isa_get_vendorid(dev),
+		       isa_get_logicalid(dev));
+
+		return 1;
 	}
 
-	return (0);
+	return 0;
 }
 
 /* Releases resources. */
diff --git a/sys/isa/pnp.c b/sys/isa/pnp.c
index bf7ca97..6eff917 100644
--- a/sys/isa/pnp.c
+++ b/sys/isa/pnp.c
@@ -83,6 +83,8 @@ struct pnp_quirk pnp_quirks[] = {
 	  PNP_QUIRK_EXTRA_IO,	0x400,	 0x800 },
 	{ 0xc1008c0e /* SB64(CTL00c1) */,	0x22008c0e,
 	  PNP_QUIRK_EXTRA_IO,	0x400,	 0x800 },
+	{ 0xc5008c0e /* SB64(CTL00c5) */,	0x22008c0e,
+	  PNP_QUIRK_EXTRA_IO,	0x400,	 0x800 },
 	{ 0xe4008c0e /* SB64(CTL00e4) */,	0x22008c0e,
 	  PNP_QUIRK_EXTRA_IO,	0x400,	 0x800 },
 
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