11da177e4SLinus Torvalds /*
21da177e4SLinus Torvalds * include/linux/superhyway.h
31da177e4SLinus Torvalds *
41da177e4SLinus Torvalds * SuperHyway Bus definitions
51da177e4SLinus Torvalds *
61da177e4SLinus Torvalds * Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org>
71da177e4SLinus Torvalds *
81da177e4SLinus Torvalds * This file is subject to the terms and conditions of the GNU General Public
91da177e4SLinus Torvalds * License. See the file "COPYING" in the main directory of this archive
101da177e4SLinus Torvalds * for more details.
111da177e4SLinus Torvalds */
121da177e4SLinus Torvalds #ifndef __LINUX_SUPERHYWAY_H
131da177e4SLinus Torvalds #define __LINUX_SUPERHYWAY_H
141da177e4SLinus Torvalds
151da177e4SLinus Torvalds #include <linux/device.h>
161da177e4SLinus Torvalds
171da177e4SLinus Torvalds /*
181da177e4SLinus Torvalds * SuperHyway IDs
191da177e4SLinus Torvalds */
201da177e4SLinus Torvalds #define SUPERHYWAY_DEVICE_ID_SH5_DMAC 0x0183
211da177e4SLinus Torvalds
22055a2512SPaul Mundt struct superhyway_vcr_info {
231da177e4SLinus Torvalds u8 perr_flags; /* P-port Error flags */
241da177e4SLinus Torvalds u8 merr_flags; /* Module Error flags */
251da177e4SLinus Torvalds u16 mod_vers; /* Module Version */
261da177e4SLinus Torvalds u16 mod_id; /* Module ID */
271da177e4SLinus Torvalds u8 bot_mb; /* Bottom Memory block */
281da177e4SLinus Torvalds u8 top_mb; /* Top Memory block */
291da177e4SLinus Torvalds };
301da177e4SLinus Torvalds
31055a2512SPaul Mundt struct superhyway_ops {
32055a2512SPaul Mundt int (*read_vcr)(unsigned long base, struct superhyway_vcr_info *vcr);
33055a2512SPaul Mundt int (*write_vcr)(unsigned long base, struct superhyway_vcr_info vcr);
34055a2512SPaul Mundt };
35055a2512SPaul Mundt
36055a2512SPaul Mundt struct superhyway_bus {
37055a2512SPaul Mundt struct superhyway_ops *ops;
38055a2512SPaul Mundt };
39055a2512SPaul Mundt
40055a2512SPaul Mundt extern struct superhyway_bus superhyway_channels[];
41055a2512SPaul Mundt
421da177e4SLinus Torvalds struct superhyway_device_id {
431da177e4SLinus Torvalds unsigned int id;
441da177e4SLinus Torvalds unsigned long driver_data;
451da177e4SLinus Torvalds };
461da177e4SLinus Torvalds
471da177e4SLinus Torvalds struct superhyway_device;
481da177e4SLinus Torvalds extern struct bus_type superhyway_bus_type;
491da177e4SLinus Torvalds
501da177e4SLinus Torvalds struct superhyway_driver {
511da177e4SLinus Torvalds char *name;
521da177e4SLinus Torvalds
531da177e4SLinus Torvalds const struct superhyway_device_id *id_table;
541da177e4SLinus Torvalds struct device_driver drv;
551da177e4SLinus Torvalds
561da177e4SLinus Torvalds int (*probe)(struct superhyway_device *dev, const struct superhyway_device_id *id);
571da177e4SLinus Torvalds void (*remove)(struct superhyway_device *dev);
581da177e4SLinus Torvalds };
591da177e4SLinus Torvalds
601da177e4SLinus Torvalds #define to_superhyway_driver(d) container_of((d), struct superhyway_driver, drv)
611da177e4SLinus Torvalds
621da177e4SLinus Torvalds struct superhyway_device {
631da177e4SLinus Torvalds char name[32];
641da177e4SLinus Torvalds
651da177e4SLinus Torvalds struct device dev;
661da177e4SLinus Torvalds
671da177e4SLinus Torvalds struct superhyway_device_id id;
681da177e4SLinus Torvalds struct superhyway_driver *drv;
69055a2512SPaul Mundt struct superhyway_bus *bus;
701da177e4SLinus Torvalds
71055a2512SPaul Mundt int num_resources;
72055a2512SPaul Mundt struct resource *resource;
73055a2512SPaul Mundt struct superhyway_vcr_info vcr;
741da177e4SLinus Torvalds };
751da177e4SLinus Torvalds
761da177e4SLinus Torvalds #define to_superhyway_device(d) container_of((d), struct superhyway_device, dev)
771da177e4SLinus Torvalds
781da177e4SLinus Torvalds #define superhyway_get_drvdata(d) dev_get_drvdata(&(d)->dev)
791da177e4SLinus Torvalds #define superhyway_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, (p))
801da177e4SLinus Torvalds
81055a2512SPaul Mundt static inline int
superhyway_read_vcr(struct superhyway_device * dev,unsigned long base,struct superhyway_vcr_info * vcr)82055a2512SPaul Mundt superhyway_read_vcr(struct superhyway_device *dev, unsigned long base,
83055a2512SPaul Mundt struct superhyway_vcr_info *vcr)
84055a2512SPaul Mundt {
85055a2512SPaul Mundt return dev->bus->ops->read_vcr(base, vcr);
86055a2512SPaul Mundt }
87055a2512SPaul Mundt
88055a2512SPaul Mundt static inline int
superhyway_write_vcr(struct superhyway_device * dev,unsigned long base,struct superhyway_vcr_info vcr)89055a2512SPaul Mundt superhyway_write_vcr(struct superhyway_device *dev, unsigned long base,
90055a2512SPaul Mundt struct superhyway_vcr_info vcr)
91055a2512SPaul Mundt {
92055a2512SPaul Mundt return dev->bus->ops->write_vcr(base, vcr);
93055a2512SPaul Mundt }
94055a2512SPaul Mundt
95055a2512SPaul Mundt extern int superhyway_scan_bus(struct superhyway_bus *);
961da177e4SLinus Torvalds
971da177e4SLinus Torvalds /* drivers/sh/superhyway/superhyway.c */
981da177e4SLinus Torvalds int superhyway_register_driver(struct superhyway_driver *);
991da177e4SLinus Torvalds void superhyway_unregister_driver(struct superhyway_driver *);
100055a2512SPaul Mundt int superhyway_add_device(unsigned long base, struct superhyway_device *, struct superhyway_bus *);
101055a2512SPaul Mundt int superhyway_add_devices(struct superhyway_bus *bus, struct superhyway_device **devices, int nr_devices);
1021da177e4SLinus Torvalds
1031da177e4SLinus Torvalds /* drivers/sh/superhyway/superhyway-sysfs.c */
1049f4ac349SGreg Kroah-Hartman extern const struct attribute_group *superhyway_dev_groups[];
1051da177e4SLinus Torvalds
1061da177e4SLinus Torvalds #endif /* __LINUX_SUPERHYWAY_H */
1071da177e4SLinus Torvalds
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