diff options
author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-21 14:57:23 -0400 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-21 14:57:23 -0400 |
commit | 2bfba3c444fe8b2ab1c38112a89d8f03b61136ca (patch) | |
tree | 17580eee63d868c9d6b97a6bc956a08f25631532 /drivers/ide/ide_platform.c | |
parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) |
ide: remove useless subdirs from drivers/ide/
Suggested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide_platform.c')
-rw-r--r-- | drivers/ide/ide_platform.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c new file mode 100644 index 000000000000..051b4ab0f359 --- /dev/null +++ b/drivers/ide/ide_platform.c | |||
@@ -0,0 +1,147 @@ | |||
1 | /* | ||
2 | * Platform IDE driver | ||
3 | * | ||
4 | * Copyright (C) 2007 MontaVista Software | ||
5 | * | ||
6 | * Maintainer: Kumar Gala <galak@kernel.crashing.org> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify it | ||
9 | * under the terms of the GNU General Public License as published by the | ||
10 | * Free Software Foundation; either version 2 of the License, or (at your | ||
11 | * option) any later version. | ||
12 | */ | ||
13 | |||
14 | #include <linux/types.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/kernel.h> | ||
17 | #include <linux/ide.h> | ||
18 | #include <linux/ioport.h> | ||
19 | #include <linux/module.h> | ||
20 | #include <linux/ata_platform.h> | ||
21 | #include <linux/platform_device.h> | ||
22 | #include <linux/io.h> | ||
23 | |||
24 | static void __devinit plat_ide_setup_ports(hw_regs_t *hw, | ||
25 | void __iomem *base, | ||
26 | void __iomem *ctrl, | ||
27 | struct pata_platform_info *pdata, | ||
28 | int irq) | ||
29 | { | ||
30 | unsigned long port = (unsigned long)base; | ||
31 | int i; | ||
32 | |||
33 | hw->io_ports.data_addr = port; | ||
34 | |||
35 | port += (1 << pdata->ioport_shift); | ||
36 | for (i = 1; i <= 7; | ||
37 | i++, port += (1 << pdata->ioport_shift)) | ||
38 | hw->io_ports_array[i] = port; | ||
39 | |||
40 | hw->io_ports.ctl_addr = (unsigned long)ctrl; | ||
41 | |||
42 | hw->irq = irq; | ||
43 | |||
44 | hw->chipset = ide_generic; | ||
45 | } | ||
46 | |||
47 | static const struct ide_port_info platform_ide_port_info = { | ||
48 | .host_flags = IDE_HFLAG_NO_DMA, | ||
49 | }; | ||
50 | |||
51 | static int __devinit plat_ide_probe(struct platform_device *pdev) | ||
52 | { | ||
53 | struct resource *res_base, *res_alt, *res_irq; | ||
54 | void __iomem *base, *alt_base; | ||
55 | struct pata_platform_info *pdata; | ||
56 | struct ide_host *host; | ||
57 | int ret = 0, mmio = 0; | ||
58 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; | ||
59 | struct ide_port_info d = platform_ide_port_info; | ||
60 | |||
61 | pdata = pdev->dev.platform_data; | ||
62 | |||
63 | /* get a pointer to the register memory */ | ||
64 | res_base = platform_get_resource(pdev, IORESOURCE_IO, 0); | ||
65 | res_alt = platform_get_resource(pdev, IORESOURCE_IO, 1); | ||
66 | |||
67 | if (!res_base || !res_alt) { | ||
68 | res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
69 | res_alt = platform_get_resource(pdev, IORESOURCE_MEM, 1); | ||
70 | if (!res_base || !res_alt) { | ||
71 | ret = -ENOMEM; | ||
72 | goto out; | ||
73 | } | ||
74 | mmio = 1; | ||
75 | } | ||
76 | |||
77 | res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | ||
78 | if (!res_irq) { | ||
79 | ret = -EINVAL; | ||
80 | goto out; | ||
81 | } | ||
82 | |||
83 | if (mmio) { | ||
84 | base = devm_ioremap(&pdev->dev, | ||
85 | res_base->start, res_base->end - res_base->start + 1); | ||
86 | alt_base = devm_ioremap(&pdev->dev, | ||
87 | res_alt->start, res_alt->end - res_alt->start + 1); | ||
88 | } else { | ||
89 | base = devm_ioport_map(&pdev->dev, | ||
90 | res_base->start, res_base->end - res_base->start + 1); | ||
91 | alt_base = devm_ioport_map(&pdev->dev, | ||
92 | res_alt->start, res_alt->end - res_alt->start + 1); | ||
93 | } | ||
94 | |||
95 | memset(&hw, 0, sizeof(hw)); | ||
96 | plat_ide_setup_ports(&hw, base, alt_base, pdata, res_irq->start); | ||
97 | hw.dev = &pdev->dev; | ||
98 | |||
99 | if (mmio) | ||
100 | d.host_flags |= IDE_HFLAG_MMIO; | ||
101 | |||
102 | ret = ide_host_add(&d, hws, &host); | ||
103 | if (ret) | ||
104 | goto out; | ||
105 | |||
106 | platform_set_drvdata(pdev, host); | ||
107 | |||
108 | return 0; | ||
109 | |||
110 | out: | ||
111 | return ret; | ||
112 | } | ||
113 | |||
114 | static int __devexit plat_ide_remove(struct platform_device *pdev) | ||
115 | { | ||
116 | struct ide_host *host = pdev->dev.driver_data; | ||
117 | |||
118 | ide_host_remove(host); | ||
119 | |||
120 | return 0; | ||
121 | } | ||
122 | |||
123 | static struct platform_driver platform_ide_driver = { | ||
124 | .driver = { | ||
125 | .name = "pata_platform", | ||
126 | .owner = THIS_MODULE, | ||
127 | }, | ||
128 | .probe = plat_ide_probe, | ||
129 | .remove = __devexit_p(plat_ide_remove), | ||
130 | }; | ||
131 | |||
132 | static int __init platform_ide_init(void) | ||
133 | { | ||
134 | return platform_driver_register(&platform_ide_driver); | ||
135 | } | ||
136 | |||
137 | static void __exit platform_ide_exit(void) | ||
138 | { | ||
139 | platform_driver_unregister(&platform_ide_driver); | ||
140 | } | ||
141 | |||
142 | MODULE_DESCRIPTION("Platform IDE driver"); | ||
143 | MODULE_LICENSE("GPL"); | ||
144 | MODULE_ALIAS("platform:pata_platform"); | ||
145 | |||
146 | module_init(platform_ide_init); | ||
147 | module_exit(platform_ide_exit); | ||