1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * include/linux/superhyway.h
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SuperHyway Bus definitions
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org>
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public
9*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive
10*4882a593Smuzhiyun * for more details.
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun #ifndef __LINUX_SUPERHYWAY_H
13*4882a593Smuzhiyun #define __LINUX_SUPERHYWAY_H
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/device.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun /*
18*4882a593Smuzhiyun * SuperHyway IDs
19*4882a593Smuzhiyun */
20*4882a593Smuzhiyun #define SUPERHYWAY_DEVICE_ID_SH5_DMAC 0x0183
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun struct superhyway_vcr_info {
23*4882a593Smuzhiyun u8 perr_flags; /* P-port Error flags */
24*4882a593Smuzhiyun u8 merr_flags; /* Module Error flags */
25*4882a593Smuzhiyun u16 mod_vers; /* Module Version */
26*4882a593Smuzhiyun u16 mod_id; /* Module ID */
27*4882a593Smuzhiyun u8 bot_mb; /* Bottom Memory block */
28*4882a593Smuzhiyun u8 top_mb; /* Top Memory block */
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun struct superhyway_ops {
32*4882a593Smuzhiyun int (*read_vcr)(unsigned long base, struct superhyway_vcr_info *vcr);
33*4882a593Smuzhiyun int (*write_vcr)(unsigned long base, struct superhyway_vcr_info vcr);
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun struct superhyway_bus {
37*4882a593Smuzhiyun struct superhyway_ops *ops;
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun extern struct superhyway_bus superhyway_channels[];
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun struct superhyway_device_id {
43*4882a593Smuzhiyun unsigned int id;
44*4882a593Smuzhiyun unsigned long driver_data;
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun struct superhyway_device;
48*4882a593Smuzhiyun extern struct bus_type superhyway_bus_type;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun struct superhyway_driver {
51*4882a593Smuzhiyun char *name;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun const struct superhyway_device_id *id_table;
54*4882a593Smuzhiyun struct device_driver drv;
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun int (*probe)(struct superhyway_device *dev, const struct superhyway_device_id *id);
57*4882a593Smuzhiyun void (*remove)(struct superhyway_device *dev);
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun #define to_superhyway_driver(d) container_of((d), struct superhyway_driver, drv)
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun struct superhyway_device {
63*4882a593Smuzhiyun char name[32];
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun struct device dev;
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun struct superhyway_device_id id;
68*4882a593Smuzhiyun struct superhyway_driver *drv;
69*4882a593Smuzhiyun struct superhyway_bus *bus;
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun int num_resources;
72*4882a593Smuzhiyun struct resource *resource;
73*4882a593Smuzhiyun struct superhyway_vcr_info vcr;
74*4882a593Smuzhiyun };
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun #define to_superhyway_device(d) container_of((d), struct superhyway_device, dev)
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun #define superhyway_get_drvdata(d) dev_get_drvdata(&(d)->dev)
79*4882a593Smuzhiyun #define superhyway_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, (p))
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun static inline int
superhyway_read_vcr(struct superhyway_device * dev,unsigned long base,struct superhyway_vcr_info * vcr)82*4882a593Smuzhiyun superhyway_read_vcr(struct superhyway_device *dev, unsigned long base,
83*4882a593Smuzhiyun struct superhyway_vcr_info *vcr)
84*4882a593Smuzhiyun {
85*4882a593Smuzhiyun return dev->bus->ops->read_vcr(base, vcr);
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun static inline int
superhyway_write_vcr(struct superhyway_device * dev,unsigned long base,struct superhyway_vcr_info vcr)89*4882a593Smuzhiyun superhyway_write_vcr(struct superhyway_device *dev, unsigned long base,
90*4882a593Smuzhiyun struct superhyway_vcr_info vcr)
91*4882a593Smuzhiyun {
92*4882a593Smuzhiyun return dev->bus->ops->write_vcr(base, vcr);
93*4882a593Smuzhiyun }
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun extern int superhyway_scan_bus(struct superhyway_bus *);
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun /* drivers/sh/superhyway/superhyway.c */
98*4882a593Smuzhiyun int superhyway_register_driver(struct superhyway_driver *);
99*4882a593Smuzhiyun void superhyway_unregister_driver(struct superhyway_driver *);
100*4882a593Smuzhiyun int superhyway_add_device(unsigned long base, struct superhyway_device *, struct superhyway_bus *);
101*4882a593Smuzhiyun int superhyway_add_devices(struct superhyway_bus *bus, struct superhyway_device **devices, int nr_devices);
102*4882a593Smuzhiyun
103*4882a593Smuzhiyun /* drivers/sh/superhyway/superhyway-sysfs.c */
104*4882a593Smuzhiyun extern const struct attribute_group *superhyway_dev_groups[];
105*4882a593Smuzhiyun
106*4882a593Smuzhiyun #endif /* __LINUX_SUPERHYWAY_H */
107*4882a593Smuzhiyun
108