* (C) 1999 David A. Hinds
*/
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
#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);
-
-int pcmcia_validate_mem(struct pcmcia_socket *s)
-{
- if (s->resource_ops->validate_mem)
- 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);
-
-int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start,
- unsigned long r_end, struct pcmcia_socket *s)
-{
- if (s->resource_ops->adjust_io_region)
- return s->resource_ops->adjust_io_region(res, r_start, r_end, s);
- return -ENOMEM;
-}
-EXPORT_SYMBOL(pcmcia_adjust_io_region);
-
-struct resource *pcmcia_find_io_region(unsigned long base, int num,
- unsigned long align, struct pcmcia_socket *s)
-{
- if (s->resource_ops->find_io)
- return s->resource_ops->find_io(base, num, align, s);
- return NULL;
-}
-EXPORT_SYMBOL(pcmcia_find_io_region);
-
-struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
- int low, struct pcmcia_socket *s)
-{
- if (s->resource_ops->find_mem)
- return s->resource_ops->find_mem(base, num, align, low, s);
- return NULL;
-}
-EXPORT_SYMBOL(pcmcia_find_mem_region);
-
-void release_resource_db(struct pcmcia_socket *s)
-{
- if (s->resource_ops->exit)
- s->resource_ops->exit(s);
-}
-
-
-static int static_init(struct pcmcia_socket *s)
+int static_init(struct pcmcia_socket *s)
{
- unsigned long flags;
-
/* the good thing about SS_CAP_STATIC_MAP sockets is
* that they don't need a resource database */
- spin_lock_irqsave(&s->lock, flags);
s->resource_setup_done = 1;
- spin_unlock_irqrestore(&s->lock, flags);
return 0;
}
-
-struct pccard_resource_ops pccard_static_ops = {
- .validate_mem = NULL,
- .adjust_io_region = NULL,
- .find_io = NULL,
- .find_mem = NULL,
- .adjust_resource = 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 *pcmcia_make_resource(unsigned long start, unsigned long end,
+ int flags, const char *name)
{
struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
if (res) {
res->name = name;
- res->start = b;
- res->end = b + n - 1;
+ res->start = start;
+ res->end = start + end - 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)
+static int static_find_io(struct pcmcia_socket *s, unsigned int attr,
+ unsigned int *base, unsigned int num,
+ unsigned int 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;
+ if (!s->io_offset)
+ return -EINVAL;
+ *base = s->io_offset | (*base & 0x0fff);
-#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);
+ return 0;
}
-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.class_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 = {
+struct pccard_resource_ops pccard_static_ops = {
.validate_mem = NULL,
- .adjust_io_region = iodyn_adjust_io_region,
- .find_io = iodyn_find_io_region,
+ .find_io = static_find_io,
.find_mem = NULL,
- .adjust_resource = NULL,
+ .add_io = NULL,
+ .add_mem = NULL,
.init = static_init,
.exit = NULL,
};
-EXPORT_SYMBOL(pccard_iodyn_ops);
+EXPORT_SYMBOL(pccard_static_ops);
+
-#endif /* CONFIG_PCCARD_IODYN */
+MODULE_AUTHOR("David A. Hinds, Dominik Brodowski");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("rsrc_nonstatic");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff