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/*
* procdefs.h
*
* Syslink driver support functions for TI OMAP processors.
*
* Copyright (C) 2009-2010 Texas Instruments, Inc.
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef SYSLINK_PROCDEFS_H
#define SYSLINK_PROCDEFS_H
#include <linux/types.h>
/* Module level headers */
#include <procmgr.h>
/* =============================
* Macros and types
* =============================
*/
/*
* Enumerates the types of Endianism of slave processor.
*/
enum processor_endian{
PROCESSOR_ENDIAN_DEFAULT = 0,
/* Default endianism (no conversion required) */
PROCESSOR_ENDIAN_BIG = 1,
/* Big endian */
PROCESSOR_ENDIAN_LITTLE = 2,
/* Little endian */
PROCESSOR_ENDIAN_ENDVALUE = 3
/* End delimiter indicating start of invalid values for this enum */
};
/*
* Configuration parameters for attaching to the slave Processor
*/
struct processor_attach_params {
struct proc_mgr_attach_params *params;
/* Common attach parameters for ProcMgr */
u16 num_mem_entries;
/* Number of valid memory entries */
struct proc_mgr_addr_info mem_entries[PROCMGR_MAX_MEMORY_REGIONS];
/* Configuration of memory regions */
};
/*
* Function pointer type for the function to attach to the processor.
*/
typedef int (*processor_attach_fxn) (void *handle,
struct processor_attach_params *params);
/*
* Function pointer type for the function to detach from the
* procssor
*/
typedef int (*processor_detach_fxn) (void *handle);
/*
* Function pointer type for the function to read from the slave
* processor's memory.
*/
typedef int (*processor_read_fxn) (void *handle, u32 proc_addr,
u32 *num_bytes, void *buffer);
/*
*Function pointer type for the function to write into the slave
*processor's memory.
*/
typedef int (*processor_write_fxn) (void *handle, u32 proc_addr,
u32 *num_bytes, void *buffer);
/*
*Function pointer type for the function to perform device-dependent
* operations.
*/
typedef int (*processor_control_fxn) (void *handle, int cmd, void *arg);
/*
*Function pointer type for the function to translate between
* two types of address spaces.
*/
typedef int (*processor_translate_addr_fxn) (void *handle, void **dst_addr,
enum proc_mgr_addr_type dstAddrType, void *srcAddr,
enum proc_mgr_addr_type srcAddrType);
/*
*Function pointer type for the function that returns proc info
*/
typedef int (*processor_proc_info) (void *handle,
struct proc_mgr_proc_info *proc_info);
/*
*Function pointer type for the function that returns proc info
*/
typedef int (*processor_virt_to_phys_fxn) (void *handle, u32 da,
u32 *mapped_entries, u32 num_of_entries);
/* =============================
* Function table interface
* =============================
*/
/*
*Function table interface for Processor.
*/
struct processor_fxn_table {
processor_attach_fxn attach;
/* Function to attach to the slave processor */
processor_detach_fxn detach;
/* Function to detach from the slave processor */
processor_read_fxn read;
/* Function to read from the slave processor's memory */
processor_write_fxn write;
/* Function to write into the slave processor's memory */
processor_control_fxn control;
/* Function to perform device-dependent control function */
processor_translate_addr_fxn translateAddr;
/* Function to translate between address ranges */
processor_proc_info procinfo;
/* Function to convert Virtual to Physical pages */
processor_virt_to_phys_fxn virt_to_phys;
};
/* =============================
* Processor structure
* =============================
*/
/*
* Generic Processor object. This object defines the handle type for all
* Processor operations.
*/
struct processor_object {
struct processor_fxn_table proc_fxn_table;
/* interface function table to plug into the generic Processor. */
enum proc_mgr_state state;
/* State of the slave processor */
enum proc_mgr_boot_mode boot_mode;
/* Boot mode for the slave processor. */
void *object;
/* Pointer to Processor-specific object. */
u16 proc_id;
/* Processor ID addressed by this Processor instance. */
};
#endif
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