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path: root/drivers/pcmcia/rsrc_pci.c
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Diffstat (limited to 'drivers/pcmcia/rsrc_pci.c')
-rw-r--r--drivers/pcmcia/rsrc_pci.c173
1 files changed, 0 insertions, 173 deletions
diff --git a/drivers/pcmcia/rsrc_pci.c b/drivers/pcmcia/rsrc_pci.c
deleted file mode 100644
index 1f67b3b..0000000
--- a/drivers/pcmcia/rsrc_pci.c
+++ /dev/null
@@ -1,173 +0,0 @@
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-
-#include <pcmcia/ss.h>
-#include <pcmcia/cistpl.h>
-#include "cs_internal.h"
-
-
-struct pcmcia_align_data {
- unsigned long mask;
- unsigned long offset;
-};
-
-static resource_size_t pcmcia_align(void *align_data,
- const struct resource *res,
- resource_size_t size, resource_size_t align)
-{
- struct pcmcia_align_data *data = align_data;
- resource_size_t start;
-
- start = (res->start & ~data->mask) + data->offset;
- if (start < res->start)
- start += data->mask + 1;
- return start;
-}
-
-static struct resource *find_io_region(struct pcmcia_socket *s,
- unsigned long base, int num,
- unsigned long align)
-{
- struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_IO,
- dev_name(&s->dev));
- struct pcmcia_align_data data;
- int ret;
-
- data.mask = align - 1;
- data.offset = base & data.mask;
-
- ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
- base, 0, pcmcia_align, &data);
- if (ret != 0) {
- kfree(res);
- res = NULL;
- }
- return res;
-}
-
-static int res_pci_find_io(struct pcmcia_socket *s, unsigned int attr,
- unsigned int *base, unsigned int num,
- unsigned int align, struct resource **parent)
-{
- int i, ret = 0;
-
- /* Check for an already-allocated window that must conflict with
- * what was asked for. It is a hack because it does not catch all
- * potential conflicts, just the most obvious ones.
- */
- for (i = 0; i < MAX_IO_WIN; i++) {
- if (!s->io[i].res)
- continue;
-
- if (!*base)
- continue;
-
- if ((s->io[i].res->start & (align-1)) == *base)
- return -EBUSY;
- }
-
- for (i = 0; i < MAX_IO_WIN; i++) {
- struct resource *res = s->io[i].res;
- unsigned int try;
-
- if (res && (res->flags & IORESOURCE_BITS) !=
- (attr & IORESOURCE_BITS))
- continue;
-
- if (!res) {
- if (align == 0)
- align = 0x10000;
-
- res = s->io[i].res = find_io_region(s, *base, num,
- align);
- if (!res)
- return -EINVAL;
-
- *base = res->start;
- s->io[i].res->flags =
- ((res->flags & ~IORESOURCE_BITS) |
- (attr & IORESOURCE_BITS));
- s->io[i].InUse = num;
- *parent = res;
- return 0;
- }
-
- /* Try to extend top of window */
- try = res->end + 1;
- if ((*base == 0) || (*base == try)) {
- ret = adjust_resource(s->io[i].res, res->start,
- resource_size(res) + num);
- if (ret)
- continue;
- *base = try;
- s->io[i].InUse += num;
- *parent = res;
- return 0;
- }
-
- /* Try to extend bottom of window */
- try = res->start - num;
- if ((*base == 0) || (*base == try)) {
- ret = adjust_resource(s->io[i].res,
- res->start - num,
- resource_size(res) + num);
- if (ret)
- continue;
- *base = try;
- s->io[i].InUse += num;
- *parent = res;
- return 0;
- }
- }
- return -EINVAL;
-}
-
-static struct resource *res_pci_find_mem(u_long base, u_long num,
- u_long align, int low, struct pcmcia_socket *s)
-{
- struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_MEM,
- dev_name(&s->dev));
- struct pcmcia_align_data data;
- unsigned long min;
- int ret;
-
- if (align < 0x20000)
- align = 0x20000;
- data.mask = align - 1;
- data.offset = base & data.mask;
-
- min = 0;
- if (!low)
- min = 0x100000UL;
-
- ret = pci_bus_alloc_resource(s->cb_dev->bus,
- res, num, 1, min, 0,
- pcmcia_align, &data);
-
- if (ret != 0) {
- kfree(res);
- res = NULL;
- }
- return res;
-}
-
-
-static int res_pci_init(struct pcmcia_socket *s)
-{
- if (!s->cb_dev || !(s->features & SS_CAP_PAGE_REGS)) {
- dev_err(&s->dev, "not supported by res_pci\n");
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-struct pccard_resource_ops pccard_nonstatic_ops = {
- .validate_mem = NULL,
- .find_io = res_pci_find_io,
- .find_mem = res_pci_find_mem,
- .init = res_pci_init,
- .exit = NULL,
-};
-EXPORT_SYMBOL(pccard_nonstatic_ops);