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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 | |
13 | static const struct ide_port_info rapide_port_info = { |
14 | .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, |
15 | .chipset = ide_generic, |
16 | }; |
17 | |
18 | static 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 | |
32 | static int __devinit |
33 | rapide_probe(struct expansion_card *ec, const struct ecard_id *id) |
34 | { |
35 | void __iomem *base; |
36 | struct ide_host *host; |
37 | int ret; |
38 | struct ide_hw hw, *hws[] = { &hw }; |
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.dev = &ec->dev; |
53 | |
54 | ret = ide_host_add(&rapide_port_info, hws, 1, &host); |
55 | if (ret) |
56 | goto release; |
57 | |
58 | ecard_set_drvdata(ec, host); |
59 | goto out; |
60 | |
61 | release: |
62 | ecard_release_resources(ec); |
63 | out: |
64 | return ret; |
65 | } |
66 | |
67 | static void __devexit rapide_remove(struct expansion_card *ec) |
68 | { |
69 | struct ide_host *host = ecard_get_drvdata(ec); |
70 | |
71 | ecard_set_drvdata(ec, NULL); |
72 | |
73 | ide_host_remove(host); |
74 | |
75 | ecard_release_resources(ec); |
76 | } |
77 | |
78 | static struct ecard_id rapide_ids[] = { |
79 | { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 }, |
80 | { 0xffff, 0xffff } |
81 | }; |
82 | |
83 | static struct ecard_driver rapide_driver = { |
84 | .probe = rapide_probe, |
85 | .remove = __devexit_p(rapide_remove), |
86 | .id_table = rapide_ids, |
87 | .drv = { |
88 | .name = "rapide", |
89 | }, |
90 | }; |
91 | |
92 | static int __init rapide_init(void) |
93 | { |
94 | return ecard_register_driver(&rapide_driver); |
95 | } |
96 | |
97 | static void __exit rapide_exit(void) |
98 | { |
99 | ecard_remove_driver(&rapide_driver); |
100 | } |
101 | |
102 | MODULE_LICENSE("GPL"); |
103 | MODULE_DESCRIPTION("Yellowstone RAPIDE driver"); |
104 | |
105 | module_init(rapide_init); |
106 | module_exit(rapide_exit); |
107 |
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