Commit | Line | Data |
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828d55c5 YS |
1 | /* |
2 | * OHCI HCD (Host Controller Driver) for USB. | |
3 | * | |
4 | * Copyright (C) 2008 Renesas Solutions Corp. | |
5 | * | |
45304e8c | 6 | * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
828d55c5 YS |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; version 2 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <linux/platform_device.h> | |
24 | ||
25 | static int ohci_sh_start(struct usb_hcd *hcd) | |
26 | { | |
27 | struct ohci_hcd *ohci = hcd_to_ohci(hcd); | |
28 | ||
29 | ohci_hcd_init(ohci); | |
30 | ohci_init(ohci); | |
31 | ohci_run(ohci); | |
828d55c5 YS |
32 | return 0; |
33 | } | |
34 | ||
35 | static const struct hc_driver ohci_sh_hc_driver = { | |
36 | .description = hcd_name, | |
37 | .product_desc = "SuperH OHCI", | |
38 | .hcd_priv_size = sizeof(struct ohci_hcd), | |
39 | ||
40 | /* | |
41 | * generic hardware linkage | |
42 | */ | |
43 | .irq = ohci_irq, | |
44 | .flags = HCD_USB11 | HCD_MEMORY, | |
45 | ||
46 | /* | |
47 | * basic lifecycle operations | |
48 | */ | |
49 | .start = ohci_sh_start, | |
50 | .stop = ohci_stop, | |
51 | .shutdown = ohci_shutdown, | |
52 | ||
53 | /* | |
54 | * managing i/o requests and associated device resources | |
55 | */ | |
56 | .urb_enqueue = ohci_urb_enqueue, | |
57 | .urb_dequeue = ohci_urb_dequeue, | |
58 | .endpoint_disable = ohci_endpoint_disable, | |
59 | ||
60 | /* | |
61 | * scheduling support | |
62 | */ | |
63 | .get_frame_number = ohci_get_frame, | |
64 | ||
65 | /* | |
66 | * root hub support | |
67 | */ | |
68 | .hub_status_data = ohci_hub_status_data, | |
69 | .hub_control = ohci_hub_control, | |
828d55c5 YS |
70 | #ifdef CONFIG_PM |
71 | .bus_suspend = ohci_bus_suspend, | |
72 | .bus_resume = ohci_bus_resume, | |
73 | #endif | |
74 | .start_port_reset = ohci_start_port_reset, | |
75 | }; | |
76 | ||
77 | /*-------------------------------------------------------------------------*/ | |
78 | ||
828d55c5 YS |
79 | static int ohci_hcd_sh_probe(struct platform_device *pdev) |
80 | { | |
81 | struct resource *res = NULL; | |
82 | struct usb_hcd *hcd = NULL; | |
83 | int irq = -1; | |
84 | int ret; | |
85 | ||
86 | if (usb_disabled()) | |
87 | return -ENODEV; | |
88 | ||
89 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
90 | if (!res) { | |
f956c4da | 91 | dev_err(&pdev->dev, "platform_get_resource error.\n"); |
828d55c5 YS |
92 | return -ENODEV; |
93 | } | |
94 | ||
95 | irq = platform_get_irq(pdev, 0); | |
96 | if (irq < 0) { | |
f956c4da | 97 | dev_err(&pdev->dev, "platform_get_irq error.\n"); |
828d55c5 YS |
98 | return -ENODEV; |
99 | } | |
100 | ||
101 | /* initialize hcd */ | |
102 | hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name); | |
103 | if (!hcd) { | |
f956c4da | 104 | dev_err(&pdev->dev, "Failed to create hcd\n"); |
828d55c5 YS |
105 | return -ENOMEM; |
106 | } | |
107 | ||
108 | hcd->regs = (void __iomem *)res->start; | |
109 | hcd->rsrc_start = res->start; | |
39eb2348 | 110 | hcd->rsrc_len = resource_size(res); |
b5dd18d8 | 111 | ret = usb_add_hcd(hcd, irq, IRQF_SHARED); |
828d55c5 | 112 | if (ret != 0) { |
f956c4da | 113 | dev_err(&pdev->dev, "Failed to add hcd\n"); |
828d55c5 YS |
114 | usb_put_hcd(hcd); |
115 | return ret; | |
116 | } | |
117 | ||
118 | return ret; | |
119 | } | |
120 | ||
121 | static int ohci_hcd_sh_remove(struct platform_device *pdev) | |
122 | { | |
123 | struct usb_hcd *hcd = platform_get_drvdata(pdev); | |
124 | ||
125 | usb_remove_hcd(hcd); | |
126 | usb_put_hcd(hcd); | |
127 | ||
128 | return 0; | |
129 | } | |
130 | ||
131 | static struct platform_driver ohci_hcd_sh_driver = { | |
132 | .probe = ohci_hcd_sh_probe, | |
133 | .remove = ohci_hcd_sh_remove, | |
134 | .shutdown = usb_hcd_platform_shutdown, | |
135 | .driver = { | |
136 | .name = "sh_ohci", | |
137 | .owner = THIS_MODULE, | |
138 | }, | |
139 | }; | |
140 | ||
f4fce61d | 141 | MODULE_ALIAS("platform:sh_ohci"); |