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Release 4.12 include/linux/superhyway.h

Directory: include/linux
 * include/linux/superhyway.h
 * SuperHyway Bus definitions
 * Copyright (C) 2004, 2005  Paul Mundt <>
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.


#include <linux/device.h>

 * SuperHyway IDs


struct superhyway_vcr_info {
u8	perr_flags;	/* P-port Error flags */
u8	merr_flags;	/* Module Error flags */
u16	mod_vers;	/* Module Version */
u16	mod_id;		/* Module ID */
u8	bot_mb;		/* Bottom Memory block */
u8	top_mb;		/* Top Memory block */

struct superhyway_ops {
int (*read_vcr)(unsigned long base, struct superhyway_vcr_info *vcr);
int (*write_vcr)(unsigned long base, struct superhyway_vcr_info vcr);

struct superhyway_bus {
struct superhyway_ops *ops;

extern struct superhyway_bus superhyway_channels[];

struct superhyway_device_id {
unsigned int id;
unsigned long driver_data;

struct superhyway_device;
extern struct bus_type superhyway_bus_type;

struct superhyway_driver {
char *name;

const struct superhyway_device_id *id_table;
struct device_driver drv;

int (*probe)(struct superhyway_device *dev, const struct superhyway_device_id *id);
void (*remove)(struct superhyway_device *dev);

#define to_superhyway_driver(d)	container_of((d), struct superhyway_driver, drv)

struct superhyway_device {
char name[32];

struct device dev;

struct superhyway_device_id id;
struct superhyway_driver *drv;
struct superhyway_bus *bus;

int num_resources;
struct resource *resource;
struct superhyway_vcr_info vcr;

#define to_superhyway_device(d)	container_of((d), struct superhyway_device, dev)

#define superhyway_get_drvdata(d)	dev_get_drvdata(&(d)->dev)

#define superhyway_set_drvdata(d,p)	dev_set_drvdata(&(d)->dev, (p))

static inline int superhyway_read_vcr(struct superhyway_device *dev, unsigned long base, struct superhyway_vcr_info *vcr) { return dev->bus->ops->read_vcr(base, vcr); }


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static inline int superhyway_write_vcr(struct superhyway_device *dev, unsigned long base, struct superhyway_vcr_info vcr) { return dev->bus->ops->write_vcr(base, vcr); }


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extern int superhyway_scan_bus(struct superhyway_bus *); /* drivers/sh/superhyway/superhyway.c */ int superhyway_register_driver(struct superhyway_driver *); void superhyway_unregister_driver(struct superhyway_driver *); int superhyway_add_device(unsigned long base, struct superhyway_device *, struct superhyway_bus *); int superhyway_add_devices(struct superhyway_bus *bus, struct superhyway_device **devices, int nr_devices); /* drivers/sh/superhyway/superhyway-sysfs.c */ extern struct device_attribute superhyway_dev_attrs[]; #endif /* __LINUX_SUPERHYWAY_H */

Overall Contributors

Paul Mundt376100.00%2100.00%
Directory: include/linux
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