1/*
  2 * Copyright (c) 1996-2002 Russell King.
  3 */
  4
  5#include <linux/module.h>
  6#include <linux/blkdev.h>
  7#include <linux/errno.h>
  8#include <linux/ide.h>
  9#include <linux/init.h>
 10
 11#include <asm/ecard.h>
 12
 13static const struct ide_port_info rapide_port_info = {
 14	.host_flags		= IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
 15	.chipset		= ide_generic,
 16};
 17
 18static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base,
 19			       void __iomem *ctrl, unsigned int sz, int irq)
 20{
 21	unsigned long port = (unsigned long)base;
 22	int i;
 23
 24	for (i = 0; i <= 7; i++) {
 25		hw->io_ports_array[i] = port;
 26		port += sz;
 27	}
 28	hw->io_ports.ctl_addr = (unsigned long)ctrl;
 29	hw->irq = irq;
 30}
 31
 32static int rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
 33{
 34	void __iomem *base;
 35	struct ide_host *host;
 36	int ret;
 37	struct ide_hw hw, *hws[] = { &hw };
 38
 39	ret = ecard_request_resources(ec);
 40	if (ret)
 41		goto out;
 42
 43	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
 44	if (!base) {
 45		ret = -ENOMEM;
 46		goto release;
 47	}
 48
 49	memset(&hw, 0, sizeof(hw));
 50	rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
 51	hw.dev = &ec->dev;
 52
 53	ret = ide_host_add(&rapide_port_info, hws, 1, &host);
 54	if (ret)
 55		goto release;
 56
 57	ecard_set_drvdata(ec, host);
 58	goto out;
 59
 60 release:
 61	ecard_release_resources(ec);
 62 out:
 63	return ret;
 64}
 65
 66static void rapide_remove(struct expansion_card *ec)
 67{
 68	struct ide_host *host = ecard_get_drvdata(ec);
 69
 70	ecard_set_drvdata(ec, NULL);
 71
 72	ide_host_remove(host);
 73
 74	ecard_release_resources(ec);
 75}
 76
 77static struct ecard_id rapide_ids[] = {
 78	{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
 79	{ 0xffff, 0xffff }
 80};
 81
 82static struct ecard_driver rapide_driver = {
 83	.probe		= rapide_probe,
 84	.remove		= rapide_remove,
 85	.id_table	= rapide_ids,
 86	.drv = {
 87		.name	= "rapide",
 88	},
 89};
 90
 91static int __init rapide_init(void)
 92{
 93	return ecard_register_driver(&rapide_driver);
 94}
 95
 96static void __exit rapide_exit(void)
 97{
 98	ecard_remove_driver(&rapide_driver);
 99}
100
101MODULE_LICENSE("GPL");
102MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
103
104module_init(rapide_init);
105module_exit(rapide_exit);