46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* linux/include/linux/a6_sbw_interface.h
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*
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* Public interface for the SBW protocol layer. Declares callbacks used by the core protocol.
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* Interfaces include:
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* - per-A6-device interface: every A6 device must define its own implementation of this interface.
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* - per-target interfaces : each board-type must define its own implementation of these interfaces.
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* - per-host system: operating system specific implementations must be defined.
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*
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* Copyright (C) 2008 Palm, Inc.
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* Author: Raj Mojumder <raj.mojumder@palm.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License.
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*/
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#ifndef _A6_SBW_INTERFACE_H_
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#define _A6_SBW_INTERFACE_H_
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struct a6_sbw_interface {
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// per-A6-device interface (separate instantiation for every a6 device)
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struct {
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uint16_t (*SetSBWTCK)(void);
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uint16_t (*ClrSBWTCK)(void);
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uint16_t (*SetSBWTDIO)(void);
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uint16_t (*ClrSBWTDIO)(void);
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uint16_t (*SetInSBWTDIO)(void);
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uint16_t (*SetOutSBWTDIO)(void);
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uint16_t (*GetSBWTDIO)(void);
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uint16_t (*SetSBWAKEUP)(void);
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uint16_t (*ClrSBWAKEUP)(void);
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} a6_per_device_interface;
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// per-target interface (separate instantiation for every board)
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struct {
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void (*delay)(uint32_t delay_us);
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} a6_per_target_interface;
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};
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// per-host system: (operating system specific)
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#define a6_disable_interrupts(flags) {flags=flags;local_irq_save(flags);}
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#define a6_enable_interrupts(flags) {local_irq_restore(flags);}
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#endif // _A6_SBW_INTERFACE_H_
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