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107 lines
2.8 KiB
107 lines
2.8 KiB
/* |
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* include/linux/superhyway.h |
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* |
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* SuperHyway Bus definitions |
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* |
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* Copyright (C) 2004, 2005 Paul Mundt <[email protected]> |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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*/ |
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#ifndef __LINUX_SUPERHYWAY_H |
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#define __LINUX_SUPERHYWAY_H |
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#include <linux/device.h> |
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/* |
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* SuperHyway IDs |
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*/ |
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#define SUPERHYWAY_DEVICE_ID_SH5_DMAC 0x0183 |
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struct superhyway_vcr_info { |
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u8 perr_flags; /* P-port Error flags */ |
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u8 merr_flags; /* Module Error flags */ |
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u16 mod_vers; /* Module Version */ |
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u16 mod_id; /* Module ID */ |
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u8 bot_mb; /* Bottom Memory block */ |
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u8 top_mb; /* Top Memory block */ |
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}; |
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struct superhyway_ops { |
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int (*read_vcr)(unsigned long base, struct superhyway_vcr_info *vcr); |
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int (*write_vcr)(unsigned long base, struct superhyway_vcr_info vcr); |
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}; |
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struct superhyway_bus { |
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struct superhyway_ops *ops; |
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}; |
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extern struct superhyway_bus superhyway_channels[]; |
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struct superhyway_device_id { |
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unsigned int id; |
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unsigned long driver_data; |
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}; |
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struct superhyway_device; |
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extern struct bus_type superhyway_bus_type; |
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struct superhyway_driver { |
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char *name; |
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const struct superhyway_device_id *id_table; |
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struct device_driver drv; |
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int (*probe)(struct superhyway_device *dev, const struct superhyway_device_id *id); |
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void (*remove)(struct superhyway_device *dev); |
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}; |
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#define to_superhyway_driver(d) container_of((d), struct superhyway_driver, drv) |
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struct superhyway_device { |
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char name[32]; |
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struct device dev; |
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struct superhyway_device_id id; |
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struct superhyway_driver *drv; |
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struct superhyway_bus *bus; |
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int num_resources; |
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struct resource *resource; |
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struct superhyway_vcr_info vcr; |
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}; |
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#define to_superhyway_device(d) container_of((d), struct superhyway_device, dev) |
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#define superhyway_get_drvdata(d) dev_get_drvdata(&(d)->dev) |
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#define superhyway_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, (p)) |
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static inline int |
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superhyway_read_vcr(struct superhyway_device *dev, unsigned long base, |
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struct superhyway_vcr_info *vcr) |
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{ |
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return dev->bus->ops->read_vcr(base, vcr); |
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} |
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static inline int |
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superhyway_write_vcr(struct superhyway_device *dev, unsigned long base, |
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struct superhyway_vcr_info vcr) |
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{ |
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return dev->bus->ops->write_vcr(base, vcr); |
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} |
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extern int superhyway_scan_bus(struct superhyway_bus *); |
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/* drivers/sh/superhyway/superhyway.c */ |
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int superhyway_register_driver(struct superhyway_driver *); |
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void superhyway_unregister_driver(struct superhyway_driver *); |
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int superhyway_add_device(unsigned long base, struct superhyway_device *, struct superhyway_bus *); |
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int superhyway_add_devices(struct superhyway_bus *bus, struct superhyway_device **devices, int nr_devices); |
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/* drivers/sh/superhyway/superhyway-sysfs.c */ |
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extern const struct attribute_group *superhyway_dev_groups[]; |
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#endif /* __LINUX_SUPERHYWAY_H */ |
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