include/linux/superhyway.h

   1 /*
   2  * include/linux/superhyway.h
   3  *
   4  * SuperHyway Bus definitions
   5  *
   6  * Copyright (C) 2004, 2005  Paul Mundt <lethal@linux-sh.org>
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file "COPYING" in the main directory of this archive
  10  * for more details.
  11  */
  12 #ifndef __LINUX_SUPERHYWAY_H
  13 #define __LINUX_SUPERHYWAY_H
  14
  15 #include <linux/device.h>
  16
  17 /*
  18  * SuperHyway IDs
  19  */
  20 #define SUPERHYWAY_DEVICE_ID_SH5_DMAC   0x0183
  21
  22 struct vcr_info {
  23         u8      perr_flags;     /* P-port Error flags */
  24         u8      merr_flags;     /* Module Error flags */
  25         u16     mod_vers;       /* Module Version */
  26         u16     mod_id;         /* Module ID */
  27         u8      bot_mb;         /* Bottom Memory block */
  28         u8      top_mb;         /* Top Memory block */
  29 };
  30
  31 struct superhyway_device_id {
  32         unsigned int id;
  33         unsigned long driver_data;
  34 };
  35
  36 struct superhyway_device;
  37 extern struct bus_type superhyway_bus_type;
  38
  39 struct superhyway_driver {
  40         char *name;
  41
  42         const struct superhyway_device_id *id_table;
  43         struct device_driver drv;
  44
  45         int (*probe)(struct superhyway_device *dev, const struct superhyway_device_id *id);
  46         void (*remove)(struct superhyway_device *dev);
  47 };
  48
  49 #define to_superhyway_driver(d) container_of((d), struct superhyway_driver, drv)
  50
  51 struct superhyway_device {
  52         char name[32];
  53
  54         struct device dev;
  55
  56         struct superhyway_device_id id;
  57         struct superhyway_driver *drv;
  58
  59         struct resource resource;
  60         struct vcr_info vcr;
  61 };
  62
  63 #define to_superhyway_device(d) container_of((d), struct superhyway_device, dev)
  64
  65 #define superhyway_get_drvdata(d)       dev_get_drvdata(&(d)->dev)
  66 #define superhyway_set_drvdata(d,p)     dev_set_drvdata(&(d)->dev, (p))
  67
  68 extern int superhyway_scan_bus(void);
  69
  70 /* drivers/sh/superhyway/superhyway.c */
  71 int superhyway_register_driver(struct superhyway_driver *);
  72 void superhyway_unregister_driver(struct superhyway_driver *);
  73 int superhyway_add_device(unsigned int, unsigned long, unsigned long long);
  74
  75 /* drivers/sh/superhyway/superhyway-sysfs.c */
  76 extern struct device_attribute superhyway_dev_attrs[];
  77
  78 #endif /* __LINUX_SUPERHYWAY_H */
  79