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Diffstat (limited to 'kernel/drivers/ide/rapide.c')
-rw-r--r--kernel/drivers/ide/rapide.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/kernel/drivers/ide/rapide.c b/kernel/drivers/ide/rapide.c
new file mode 100644
index 000000000..d73c3d100
--- /dev/null
+++ b/kernel/drivers/ide/rapide.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 1996-2002 Russell King.
+ */
+
+#include <linux/module.h>
+#include <linux/blkdev.h>
+#include <linux/errno.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+
+#include <asm/ecard.h>
+
+static const struct ide_port_info rapide_port_info = {
+ .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
+ .chipset = ide_generic,
+};
+
+static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base,
+ void __iomem *ctrl, unsigned int sz, int irq)
+{
+ unsigned long port = (unsigned long)base;
+ int i;
+
+ for (i = 0; i <= 7; i++) {
+ hw->io_ports_array[i] = port;
+ port += sz;
+ }
+ hw->io_ports.ctl_addr = (unsigned long)ctrl;
+ hw->irq = irq;
+}
+
+static int rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
+{
+ void __iomem *base;
+ struct ide_host *host;
+ int ret;
+ struct ide_hw hw, *hws[] = { &hw };
+
+ ret = ecard_request_resources(ec);
+ if (ret)
+ goto out;
+
+ base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
+ if (!base) {
+ ret = -ENOMEM;
+ goto release;
+ }
+
+ memset(&hw, 0, sizeof(hw));
+ rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
+ hw.dev = &ec->dev;
+
+ ret = ide_host_add(&rapide_port_info, hws, 1, &host);
+ if (ret)
+ goto release;
+
+ ecard_set_drvdata(ec, host);
+ goto out;
+
+ release:
+ ecard_release_resources(ec);
+ out:
+ return ret;
+}
+
+static void rapide_remove(struct expansion_card *ec)
+{
+ struct ide_host *host = ecard_get_drvdata(ec);
+
+ ecard_set_drvdata(ec, NULL);
+
+ ide_host_remove(host);
+
+ ecard_release_resources(ec);
+}
+
+static struct ecard_id rapide_ids[] = {
+ { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
+ { 0xffff, 0xffff }
+};
+
+static struct ecard_driver rapide_driver = {
+ .probe = rapide_probe,
+ .remove = rapide_remove,
+ .id_table = rapide_ids,
+ .drv = {
+ .name = "rapide",
+ },
+};
+
+static int __init rapide_init(void)
+{
+ return ecard_register_driver(&rapide_driver);
+}
+
+static void __exit rapide_exit(void)
+{
+ ecard_remove_driver(&rapide_driver);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
+
+module_init(rapide_init);
+module_exit(rapide_exit);