[mirror_ubuntu-zesty-kernel.git] / drivers / usb / host / ohci-sh.c

/*
 * OHCI HCD (Host Controller Driver) for USB.
 *
 * Copyright (C) 2008 Renesas Solutions Corp.
 *
 * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include <linux/platform_device.h>

static int ohci_sh_start(struct usb_hcd *hcd)
{
	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);

	ohci_hcd_init(ohci);
	ohci_init(ohci);
	ohci_run(ohci);
	hcd->state = HC_STATE_RUNNING;
	return 0;
}

static const struct hc_driver ohci_sh_hc_driver = {
	.description =		hcd_name,
	.product_desc =		"SuperH OHCI",
	.hcd_priv_size =	sizeof(struct ohci_hcd),

	/*
	 * generic hardware linkage
	 */
	.irq =			ohci_irq,
	.flags =		HCD_USB11 | HCD_MEMORY,

	/*
	 * basic lifecycle operations
	 */
	.start =		ohci_sh_start,
	.stop =			ohci_stop,
	.shutdown =		ohci_shutdown,

	/*
	 * managing i/o requests and associated device resources
	 */
	.urb_enqueue =		ohci_urb_enqueue,
	.urb_dequeue =		ohci_urb_dequeue,
	.endpoint_disable =	ohci_endpoint_disable,

	/*
	 * scheduling support
	 */
	.get_frame_number =	ohci_get_frame,

	/*
	 * root hub support
	 */
	.hub_status_data =	ohci_hub_status_data,
	.hub_control =		ohci_hub_control,
	.hub_irq_enable =	ohci_rhsc_enable,
#ifdef	CONFIG_PM
	.bus_suspend =		ohci_bus_suspend,
	.bus_resume =		ohci_bus_resume,
#endif
	.start_port_reset =	ohci_start_port_reset,
};

/*-------------------------------------------------------------------------*/

#define resource_len(r) (((r)->end - (r)->start) + 1)
static int ohci_hcd_sh_probe(struct platform_device *pdev)
{
	struct resource *res = NULL;
	struct usb_hcd *hcd = NULL;
	int irq = -1;
	int ret;

	if (usb_disabled())
		return -ENODEV;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		err("platform_get_resource error.");
		return -ENODEV;
	}

	irq = platform_get_irq(pdev, 0);
	if (irq < 0) {
		err("platform_get_irq error.");
		return -ENODEV;
	}

	/* initialize hcd */
	hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name);
	if (!hcd) {
		err("Failed to create hcd");
		return -ENOMEM;
	}

	hcd->regs = (void __iomem *)res->start;
	hcd->rsrc_start = res->start;
	hcd->rsrc_len = resource_len(res);
	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
	if (ret != 0) {
		err("Failed to add hcd");
		usb_put_hcd(hcd);
		return ret;
	}

	return ret;
}

static int ohci_hcd_sh_remove(struct platform_device *pdev)
{
	struct usb_hcd *hcd = platform_get_drvdata(pdev);

	usb_remove_hcd(hcd);
	usb_put_hcd(hcd);

	return 0;
}

static struct platform_driver ohci_hcd_sh_driver = {
	.probe		= ohci_hcd_sh_probe,
	.remove		= ohci_hcd_sh_remove,
	.shutdown	= usb_hcd_platform_shutdown,
	.driver		= {
		.name	= "sh_ohci",
		.owner	= THIS_MODULE,
	},
};

MODULE_ALIAS("platform:sh_ohci");
Commit	Line	Data
828d55c5 YS	1	/*
	2	* OHCI HCD (Host Controller Driver) for USB.
	3	*
	4	* Copyright (C) 2008 Renesas Solutions Corp.
	5	*
	6	* Author : Yoshihiro Shimoda <shimoda.yoshihiro@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	.hub_irq_enable = ohci_rhsc_enable,
72	#ifdef CONFIG_PM
73	.bus_suspend = ohci_bus_suspend,
74	.bus_resume = ohci_bus_resume,
75	#endif
76	.start_port_reset = ohci_start_port_reset,
77	};
78
79	/-------------------------------------------------------------------------/
80
81	#define resource_len(r) (((r)->end - (r)->start) + 1)
82	static int ohci_hcd_sh_probe(struct platform_device *pdev)
83	{
84	struct resource *res = NULL;
85	struct usb_hcd *hcd = NULL;
86	int irq = -1;
87	int ret;
88
89	if (usb_disabled())
90	return -ENODEV;
91
92	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
93	if (!res) {
94	err("platform_get_resource error.");
95	return -ENODEV;
96	}
97
98	irq = platform_get_irq(pdev, 0);
99	if (irq < 0) {
100	err("platform_get_irq error.");
101	return -ENODEV;
102	}
103
104	/* initialize hcd */
105	hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name);
106	if (!hcd) {
107	err("Failed to create hcd");
108	return -ENOMEM;
109	}
110
111	hcd->regs = (void __iomem *)res->start;
112	hcd->rsrc_start = res->start;
113	hcd->rsrc_len = resource_len(res);
114	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
115	if (ret != 0) {
116	err("Failed to add hcd");
117	usb_put_hcd(hcd);
118	return ret;
119	}
120
121	return ret;
122	}
123
124	static int ohci_hcd_sh_remove(struct platform_device *pdev)
125	{
126	struct usb_hcd *hcd = platform_get_drvdata(pdev);
127
128	usb_remove_hcd(hcd);
129	usb_put_hcd(hcd);
130
131	return 0;
132	}
133
134	static struct platform_driver ohci_hcd_sh_driver = {
135	.probe = ohci_hcd_sh_probe,
136	.remove = ohci_hcd_sh_remove,
137	.shutdown = usb_hcd_platform_shutdown,
138	.driver = {
139	.name = "sh_ohci",
140	.owner = THIS_MODULE,
141	},
142	};
143
f4fce61d	144	MODULE_ALIAS("platform:sh_ohci");