X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fpcmcia%2Frsrc_mgr.c;h=c0e2afc79e3e4555877562498d30035aa65815ae;hb=b5cf43c47b05c8deb10f9674d541dddbdec0e341;hp=0668384ebc8bf8a4bbc0b43b522e5c7a221259c8;hpb=31151ba2cef171344beac254e65bd7e00138bb0d;p=linux-2.6

diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c
index 0668384ebc..c0e2afc79e 100644
--- a/drivers/pcmcia/rsrc_mgr.c
+++ b/drivers/pcmcia/rsrc_mgr.c
@@ -12,7 +12,6 @@
  * (C) 1999		David A. Hinds
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 
@@ -22,86 +21,12 @@
 #include "cs_internal.h"
 
 
-#ifdef CONFIG_PCMCIA_PROBE
-
-static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
-{
-	int irq;
-	u32 mask;
-
-	irq = adj->resource.irq.IRQ;
-	if ((irq < 0) || (irq > 15))
-		return CS_BAD_IRQ;
-
-	if (adj->Action != REMOVE_MANAGED_RESOURCE)
-		return 0;
-
-	mask = 1 << irq;
-
-	if (!(s->irq_mask & mask))
-		return 0;
-
-	s->irq_mask &= ~mask;
-
-	return 0;
-}
-
-#else
-
-static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) {
-	return CS_SUCCESS;
-}
-
-#endif
-
-
-int pcmcia_adjust_resource_info(adjust_t *adj)
-{
-	struct pcmcia_socket *s;
-	int ret = CS_UNSUPPORTED_FUNCTION;
-	unsigned long flags;
-
-	down_read(&pcmcia_socket_list_rwsem);
-	list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
-
-		if (adj->Resource == RES_IRQ)
-			ret = adjust_irq(s, adj);
-
-		else if (s->resource_ops->adjust_resource) {
-
-			/* you can't use the old interface if the new
-			 * one was used before */
-			spin_lock_irqsave(&s->lock, flags);
-			if ((s->resource_setup_new) &&
-			    !(s->resource_setup_old)) {
-				spin_unlock_irqrestore(&s->lock, flags);
-				continue;
-			} else if (!(s->resource_setup_old))
-				s->resource_setup_old = 1;
-			spin_unlock_irqrestore(&s->lock, flags);
-
-			ret = s->resource_ops->adjust_resource(s, adj);
-			if (!ret) {
-				/* as there's no way we know this is the
-				 * last call to adjust_resource_info, we
-				 * always need to assume this is the latest
-				 * one... */
-				spin_lock_irqsave(&s->lock, flags);
-				s->resource_setup_done = 1;
-				spin_unlock_irqrestore(&s->lock, flags);
-			}
-		}
-	}
-	up_read(&pcmcia_socket_list_rwsem);
-
-	return (ret);
-}
-EXPORT_SYMBOL(pcmcia_adjust_resource_info);
-
-void pcmcia_validate_mem(struct pcmcia_socket *s)
+int pcmcia_validate_mem(struct pcmcia_socket *s)
 {
 	if (s->resource_ops->validate_mem)
-		s->resource_ops->validate_mem(s);
+		return s->resource_ops->validate_mem(s);
+	/* if there is no callback, we can assume that everything is OK */
+	return 0;
 }
 EXPORT_SYMBOL(pcmcia_validate_mem);
 
@@ -159,8 +84,112 @@ struct pccard_resource_ops pccard_static_ops = {
 	.adjust_io_region = NULL,
 	.find_io = NULL,
 	.find_mem = NULL,
-	.adjust_resource = NULL,
+	.add_io = NULL,
+	.add_mem = NULL,
 	.init = static_init,
 	.exit = NULL,
 };
 EXPORT_SYMBOL(pccard_static_ops);
+
+
+#ifdef CONFIG_PCCARD_IODYN
+
+static struct resource *
+make_resource(unsigned long b, unsigned long n, int flags, char *name)
+{
+	struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
+
+	if (res) {
+		res->name = name;
+		res->start = b;
+		res->end = b + n - 1;
+		res->flags = flags;
+	}
+	return res;
+}
+
+struct pcmcia_align_data {
+	unsigned long	mask;
+	unsigned long	offset;
+};
+
+static void pcmcia_align(void *align_data, struct resource *res,
+			unsigned long size, unsigned long align)
+{
+	struct pcmcia_align_data *data = align_data;
+	unsigned long start;
+
+	start = (res->start & ~data->mask) + data->offset;
+	if (start < res->start)
+		start += data->mask + 1;
+	res->start = start;
+
+#ifdef CONFIG_X86
+        if (res->flags & IORESOURCE_IO) {
+                if (start & 0x300) {
+                        start = (start + 0x3ff) & ~0x3ff;
+                        res->start = start;
+                }
+        }
+#endif
+
+#ifdef CONFIG_M68K
+        if (res->flags & IORESOURCE_IO) {
+		if ((res->start + size - 1) >= 1024)
+			res->start = res->end;
+	}
+#endif
+}
+
+
+static int iodyn_adjust_io_region(struct resource *res, unsigned long r_start,
+				      unsigned long r_end, struct pcmcia_socket *s)
+{
+	return adjust_resource(res, r_start, r_end - r_start + 1);
+}
+
+
+static struct resource *iodyn_find_io_region(unsigned long base, int num,
+		unsigned long align, struct pcmcia_socket *s)
+{
+	struct resource *res = make_resource(0, num, IORESOURCE_IO,
+					     s->dev.bus_id);
+	struct pcmcia_align_data data;
+	unsigned long min = base;
+	int ret;
+
+	if (align == 0)
+		align = 0x10000;
+
+	data.mask = align - 1;
+	data.offset = base & data.mask;
+
+#ifdef CONFIG_PCI
+	if (s->cb_dev) {
+		ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
+					     min, 0, pcmcia_align, &data);
+	} else
+#endif
+		ret = allocate_resource(&ioport_resource, res, num, min, ~0UL,
+					1, pcmcia_align, &data);
+
+	if (ret != 0) {
+		kfree(res);
+		res = NULL;
+	}
+	return res;
+}
+
+struct pccard_resource_ops pccard_iodyn_ops = {
+	.validate_mem = NULL,
+	.adjust_io_region = iodyn_adjust_io_region,
+	.find_io = iodyn_find_io_region,
+	.find_mem = NULL,
+	.add_io = NULL,
+	.add_mem = NULL,
+	.init = static_init,
+	.exit = NULL,
+};
+EXPORT_SYMBOL(pccard_iodyn_ops);
+
+#endif /* CONFIG_PCCARD_IODYN */