pcmcia: move all pcmcia_resource_ops providers into one module
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/rsrc_iodyn.c b/drivers/pcmcia/rsrc_iodyn.c
new file mode 100644
index 0000000..3fa808b
--- /dev/null
+++ b/drivers/pcmcia/rsrc_iodyn.c
@@ -0,0 +1,107 @@
+/*
+ * rsrc_iodyn.c -- Resource management routines for MEM-static sockets.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * (C) 1999 David A. Hinds
+ */
+
+#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"
+
+
+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;
+
+#ifdef CONFIG_X86
+ if (res->flags & IORESOURCE_IO) {
+ if (start & 0x300)
+ start = (start + 0x3ff) & ~0x3ff;
+ }
+#endif
+
+#ifdef CONFIG_M68K
+ if (res->flags & IORESOURCE_IO) {
+ if ((res->start + size - 1) >= 1024)
+ start = res->end;
+ }
+#endif
+
+ return start;
+}
+
+
+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 = pcmcia_make_resource(0, num, IORESOURCE_IO,
+ dev_name(&s->dev));
+ 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);