Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 152 insertions, 0 deletions

diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
new file mode 100644
index 00000000000..596a02d7e03
--- /dev/null
+++ b/drivers/pnp/quirks.c
@@ -0,0 +1,152 @@
+/*
+ *  This file contains quirk handling code for PnP devices
+ *  Some devices do not report all their resources, and need to have extra
+ *  resources added. This is most easily accomplished at initialisation time
+ *  when building up the resource structure for the first time.
+ *
+ *  Copyright (c) 2000 Peter Denison <peterd@pnd-pc.demon.co.uk>
+ *
+ *  Heavily based on PCI quirks handling which is
+ *
+ *  Copyright (c) 1999 Martin Mares <mj@ucw.cz>
+ */
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+
+#ifdef CONFIG_PNP_DEBUG
+	#define DEBUG
+#else
+	#undef DEBUG
+#endif
+
+#include <linux/pnp.h>
+#include "base.h"
+
+
+static void quirk_awe32_resources(struct pnp_dev *dev)
+{
+	struct pnp_port *port, *port2, *port3;
+	struct pnp_option *res = dev->dependent;
+
+	/*
+	 * Unfortunately the isapnp_add_port_resource is too tightly bound
+	 * into the PnP discovery sequence, and cannot be used. Link in the
+	 * two extra ports (at offset 0x400 and 0x800 from the one given) by
+	 * hand.
+	 */
+	for ( ; res ; res = res->next ) {
+		port2 = pnp_alloc(sizeof(struct pnp_port));
+		if (!port2)
+			return;
+		port3 = pnp_alloc(sizeof(struct pnp_port));
+		if (!port3) {
+			kfree(port2);
+			return;
+		}
+		port = res->port;
+		memcpy(port2, port, sizeof(struct pnp_port));
+		memcpy(port3, port, sizeof(struct pnp_port));
+		port->next = port2;
+		port2->next = port3;
+		port2->min += 0x400;
+		port2->max += 0x400;
+		port3->min += 0x800;
+		port3->max += 0x800;
+	}
+	printk(KERN_INFO "pnp: AWE32 quirk - adding two ports\n");
+}
+
+static void quirk_cmi8330_resources(struct pnp_dev *dev)
+{
+	struct pnp_option *res = dev->dependent;
+	unsigned long tmp;
+
+	for ( ; res ; res = res->next ) {
+
+		struct pnp_irq *irq;
+		struct pnp_dma *dma;
+
+		for( irq = res->irq; irq; irq = irq->next ) {	// Valid irqs are 5, 7, 10
+			tmp = 0x04A0;
+			bitmap_copy(irq->map, &tmp, 16);	// 0000 0100 1010 0000
+		}
+
+		for( dma = res->dma; dma; dma = dma->next ) // Valid 8bit dma channels are 1,3
+			if( ( dma->flags & IORESOURCE_DMA_TYPE_MASK ) == IORESOURCE_DMA_8BIT )
+				dma->map = 0x000A;
+	}
+	printk(KERN_INFO "pnp: CMI8330 quirk - fixing interrupts and dma\n");
+}
+
+static void quirk_sb16audio_resources(struct pnp_dev *dev)
+{
+	struct pnp_port *port;
+	struct pnp_option *res = dev->dependent;
+	int    changed = 0;
+
+	/*
+	 * The default range on the mpu port for these devices is 0x388-0x388.
+	 * Here we increase that range so that two such cards can be
+	 * auto-configured.
+	 */
+
+	for( ; res ; res = res->next ) {
+		port = res->port;
+		if(!port)
+			continue;
+		port = port->next;
+		if(!port)
+			continue;
+		port = port->next;
+		if(!port)
+			continue;
+		if(port->min != port->max)
+			continue;
+		port->max += 0x70;
+		changed = 1;
+	}
+	if(changed)
+		printk(KERN_INFO "pnp: SB audio device quirk - increasing port range\n");
+	return;
+}
+
+/*
+ *  PnP Quirks
+ *  Cards or devices that need some tweaking due to incomplete resource info
+ */
+
+static struct pnp_fixup pnp_fixups[] = {
+	/* Soundblaster awe io port quirk */
+	{ "CTL0021", quirk_awe32_resources },
+	{ "CTL0022", quirk_awe32_resources },
+	{ "CTL0023", quirk_awe32_resources },
+	/* CMI 8330 interrupt and dma fix */
+	{ "@X@0001", quirk_cmi8330_resources },
+	/* Soundblaster audio device io port range quirk */
+	{ "CTL0001", quirk_sb16audio_resources },
+	{ "CTL0031", quirk_sb16audio_resources },
+	{ "CTL0041", quirk_sb16audio_resources },
+	{ "CTL0042", quirk_sb16audio_resources },
+	{ "CTL0043", quirk_sb16audio_resources },
+	{ "CTL0044", quirk_sb16audio_resources },
+	{ "CTL0045", quirk_sb16audio_resources },
+	{ "" }
+};
+
+void pnp_fixup_device(struct pnp_dev *dev)
+{
+	int i = 0;
+
+	while (*pnp_fixups[i].id) {
+		if (compare_pnp_id(dev->id,pnp_fixups[i].id)) {
+			pnp_dbg("Calling quirk for %s",
+		                  dev->dev.bus_id);
+			pnp_fixups[i].quirk_function(dev);
+		}
+		i++;
+	}
+}