From fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineering.com>
Date: Wed, 23 Aug 2017 14:45:25 -0500
Subject: Initial import of modified Linux 2.6.28 tree

Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
---
 drivers/ide/rapide.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 drivers/ide/rapide.c

(limited to 'drivers/ide/rapide.c')

diff --git a/drivers/ide/rapide.c b/drivers/ide/rapide.c
new file mode 100644
index 0000000..d5003ca
--- /dev/null
+++ b/drivers/ide/rapide.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 1996-2002 Russell King.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.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,
+};
+
+static void rapide_setup_ports(hw_regs_t *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 __devinit
+rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
+{
+	void __iomem *base;
+	struct ide_host *host;
+	int ret;
+	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+
+	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.chipset = ide_generic;
+	hw.dev = &ec->dev;
+
+	ret = ide_host_add(&rapide_port_info, hws, &host);
+	if (ret)
+		goto release;
+
+	ecard_set_drvdata(ec, host);
+	goto out;
+
+ release:
+	ecard_release_resources(ec);
+ out:
+	return ret;
+}
+
+static void __devexit 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		= __devexit_p(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);
-- 
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