rapide.c revision 2bfba3c444fe8b2ab1c38112a89d8f03b61136ca 
1/*
2 * Copyright (c) 1996-2002 Russell King.
3 */
4
5#include <linux/module.h>
6#include <linux/slab.h>
7#include <linux/blkdev.h>
8#include <linux/errno.h>
9#include <linux/ide.h>
10#include <linux/init.h>
11
12#include <asm/ecard.h>
13
14static struct const ide_port_info rapide_port_info = {
15	.host_flags		= IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
16};
17
18static void rapide_setup_ports(hw_regs_t *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 __devinit
33rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
34{
35	void __iomem *base;
36	struct ide_host *host;
37	int ret;
38	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
39
40	ret = ecard_request_resources(ec);
41	if (ret)
42		goto out;
43
44	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
45	if (!base) {
46		ret = -ENOMEM;
47		goto release;
48	}
49
50	memset(&hw, 0, sizeof(hw));
51	rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
52	hw.chipset = ide_generic;
53	hw.dev = &ec->dev;
54
55	ret = ide_host_add(&rapide_port_info, hws, &host);
56	if (ret)
57		goto release;
58
59	ecard_set_drvdata(ec, host);
60	goto out;
61
62 release:
63	ecard_release_resources(ec);
64 out:
65	return ret;
66}
67
68static void __devexit rapide_remove(struct expansion_card *ec)
69{
70	struct ide_host *host = ecard_get_drvdata(ec);
71
72	ecard_set_drvdata(ec, NULL);
73
74	ide_host_remove(host);
75
76	ecard_release_resources(ec);
77}
78
79static struct ecard_id rapide_ids[] = {
80	{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
81	{ 0xffff, 0xffff }
82};
83
84static struct ecard_driver rapide_driver = {
85	.probe		= rapide_probe,
86	.remove		= __devexit_p(rapide_remove),
87	.id_table	= rapide_ids,
88	.drv = {
89		.name	= "rapide",
90	},
91};
92
93static int __init rapide_init(void)
94{
95	return ecard_register_driver(&rapide_driver);
96}
97
98static void __exit rapide_exit(void)
99{
100	ecard_unregister_driver(&rapide_driver);
101}
102
103MODULE_LICENSE("GPL");
104MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
105
106module_init(rapide_init);
107module_exit(rapide_exit);
108