]>
Commit | Line | Data |
---|---|---|
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); | |
32 | hcd->state = HC_STATE_RUNNING; | |
33 | return 0; | |
34 | } | |
35 | ||
36 | static const struct hc_driver ohci_sh_hc_driver = { | |
37 | .description = hcd_name, | |
38 | .product_desc = "SuperH OHCI", | |
39 | .hcd_priv_size = sizeof(struct ohci_hcd), | |
40 | ||
41 | /* | |
42 | * generic hardware linkage | |
43 | */ | |
44 | .irq = ohci_irq, | |
45 | .flags = HCD_USB11 | HCD_MEMORY, | |
46 | ||
47 | /* | |
48 | * basic lifecycle operations | |
49 | */ | |
50 | .start = ohci_sh_start, | |
51 | .stop = ohci_stop, | |
52 | .shutdown = ohci_shutdown, | |
53 | ||
54 | /* | |
55 | * managing i/o requests and associated device resources | |
56 | */ | |
57 | .urb_enqueue = ohci_urb_enqueue, | |
58 | .urb_dequeue = ohci_urb_dequeue, | |
59 | .endpoint_disable = ohci_endpoint_disable, | |
60 | ||
61 | /* | |
62 | * scheduling support | |
63 | */ | |
64 | .get_frame_number = ohci_get_frame, | |
65 | ||
66 | /* | |
67 | * root hub support | |
68 | */ | |
69 | .hub_status_data = ohci_hub_status_data, | |
70 | .hub_control = ohci_hub_control, | |
828d55c5 YS |
71 | #ifdef CONFIG_PM |
72 | .bus_suspend = ohci_bus_suspend, | |
73 | .bus_resume = ohci_bus_resume, | |
74 | #endif | |
75 | .start_port_reset = ohci_start_port_reset, | |
76 | }; | |
77 | ||
78 | /*-------------------------------------------------------------------------*/ | |
79 | ||
828d55c5 YS |
80 | static int ohci_hcd_sh_probe(struct platform_device *pdev) |
81 | { | |
82 | struct resource *res = NULL; | |
83 | struct usb_hcd *hcd = NULL; | |
84 | int irq = -1; | |
85 | int ret; | |
86 | ||
87 | if (usb_disabled()) | |
88 | return -ENODEV; | |
89 | ||
90 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
91 | if (!res) { | |
92 | err("platform_get_resource error."); | |
93 | return -ENODEV; | |
94 | } | |
95 | ||
96 | irq = platform_get_irq(pdev, 0); | |
97 | if (irq < 0) { | |
98 | err("platform_get_irq error."); | |
99 | return -ENODEV; | |
100 | } | |
101 | ||
102 | /* initialize hcd */ | |
103 | hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name); | |
104 | if (!hcd) { | |
105 | err("Failed to create hcd"); | |
106 | return -ENOMEM; | |
107 | } | |
108 | ||
109 | hcd->regs = (void __iomem *)res->start; | |
110 | hcd->rsrc_start = res->start; | |
39eb2348 | 111 | hcd->rsrc_len = resource_size(res); |
b5dd18d8 | 112 | ret = usb_add_hcd(hcd, irq, IRQF_SHARED); |
828d55c5 YS |
113 | if (ret != 0) { |
114 | err("Failed to add hcd"); | |
115 | usb_put_hcd(hcd); | |
116 | return ret; | |
117 | } | |
118 | ||
119 | return ret; | |
120 | } | |
121 | ||
122 | static int ohci_hcd_sh_remove(struct platform_device *pdev) | |
123 | { | |
124 | struct usb_hcd *hcd = platform_get_drvdata(pdev); | |
125 | ||
126 | usb_remove_hcd(hcd); | |
127 | usb_put_hcd(hcd); | |
128 | ||
129 | return 0; | |
130 | } | |
131 | ||
132 | static struct platform_driver ohci_hcd_sh_driver = { | |
133 | .probe = ohci_hcd_sh_probe, | |
134 | .remove = ohci_hcd_sh_remove, | |
135 | .shutdown = usb_hcd_platform_shutdown, | |
136 | .driver = { | |
137 | .name = "sh_ohci", | |
138 | .owner = THIS_MODULE, | |
139 | }, | |
140 | }; | |
141 | ||
f4fce61d | 142 | MODULE_ALIAS("platform:sh_ohci"); |