/*
* linux/include/asm-arm/arch-omap/bus.h
*
* Virtual bus for OMAP. Allows better power management, such as managing
* shared clocks, and mapping of bus addresses to Local Bus addresses.
*
* See drivers/usb/host/ohci-omap.c or drivers/video/omap/omapfb.c for
* examples on how to register drivers to this bus.
*
* Copyright (C) 2003 - 2004 Nokia Corporation
* Written by Tony Lindgren <tony@atomide.com>
* Portions of code based on sa1111.c.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARM_ARCH_OMAP_BUS_H
#define __ASM_ARM_ARCH_OMAP_BUS_H
extern struct bus_type omap_bus_types[];
/*
* Description for physical device
*/
struct omap_dev {
struct device dev; /* Standard device description */
char *name;
unsigned int devid; /* OMAP device id */
unsigned int busid; /* OMAP virtual busid */
struct resource res; /* Standard resource description */
void *mapbase; /* OMAP physical address */
unsigned int irq[6]; /* OMAP interrupts */
u64 *dma_mask; /* Used by USB OHCI only */
u64 coherent_dma_mask; /* Used by USB OHCI only */
};
#define OMAP_DEV(_d) container_of((_d), struct omap_dev, dev)
#define omap_get_drvdata(d) dev_get_drvdata(&(d)->dev)
#define omap_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)
/*
* Description for device driver
*/
struct omap_driver {
struct device_driver drv; /* Standard driver description */
unsigned int devid; /* OMAP device id for bus */
unsigned int busid; /* OMAP virtual busid */
unsigned int clocks; /* OMAP shared clocks */
int (*probe)(struct omap_dev *);
int (*remove)(struct omap_dev *);
int (*suspend)(struct omap_dev *, u32);
int (*resume)(struct omap_dev *);
};
#define OMAP_DRV(_d) container_of((_d), struct omap_driver, drv)
#define OMAP_DRIVER_NAME(_omapdev) ((_omapdev)->dev.driver->name)
/*
* Device ID numbers for bus types
*/
#define OMAP_OCP_DEVID_USB 0
#define OMAP_TIPB_DEVID_LCD 1
#define OMAP_TIPB_DEVID_MMC 2
/*
* Virtual bus definitions for OMAP
*/
#define OMAP_NR_BUSES 2
#define OMAP_BUS_NAME_TIPB "tipb"
#define OMAP_BUS_NAME_LBUS "lbus"
enum {
OMAP_BUS_TIPB = 0,
OMAP_BUS_LBUS,
};
/* See arch/arm/mach-omap/bus.c for the rest of the bus definitions. */
extern int omap_driver_register(struct omap_driver *driver);
extern void omap_driver_unregister(struct omap_driver *driver);
extern int omap_device_register(struct omap_dev *odev);
extern void omap_device_unregister(struct omap_dev *odev);
#endif