diff options
Diffstat (limited to 'drivers/usb/host/ohci-sh.c')
-rw-r--r-- | drivers/usb/host/ohci-sh.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-sh.c b/drivers/usb/host/ohci-sh.c new file mode 100644 index 00000000000..14cecb52a9f --- /dev/null +++ b/drivers/usb/host/ohci-sh.c | |||
@@ -0,0 +1,142 @@ | |||
1 | /* | ||
2 | * OHCI HCD (Host Controller Driver) for USB. | ||
3 | * | ||
4 | * Copyright (C) 2008 Renesas Solutions Corp. | ||
5 | * | ||
6 | * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | ||
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, | ||
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 | |||
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; | ||
111 | hcd->rsrc_len = resource_size(res); | ||
112 | ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); | ||
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 | |||
142 | MODULE_ALIAS("platform:sh_ohci"); | ||