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op_blackfin.h

/*
 * File:         arch/blackfin/oprofile/op_blackfin.h
 * Based on:
 * Author:       Anton Blanchard <anton@au.ibm.com>
 *
 * Created:
 * Description:
 *
 * Modified:
 *               Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
 *               Copyright 2004-2006 Analog Devices Inc.
 *
 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef OP_BLACKFIN_H
#define OP_BLACKFIN_H 1

#define OP_MAX_COUNTER 2

#include <asm/blackfin.h>

/* Per-counter configuration as set via oprofilefs.  */
struct op_counter_config {
      unsigned long valid;
      unsigned long enabled;
      unsigned long event;
      unsigned long count;
      unsigned long kernel;
      unsigned long user;
      unsigned long unit_mask;
};

/* System-wide configuration as set via oprofilefs.  */
struct op_system_config {
      unsigned long enable_kernel;
      unsigned long enable_user;
};

/* Per-arch configuration */
00056 struct op_bfin533_model {
      int (*reg_setup) (struct op_counter_config *);
      int (*start) (struct op_counter_config *);
      void (*stop) (void);
      int num_counters;
      char *name;
};

extern struct op_bfin533_model op_model_bfin533;

static inline unsigned int ctr_read(void)
{
      unsigned int tmp;

      tmp = bfin_read_PFCTL();
      CSYNC();

      return tmp;
}

static inline void ctr_write(unsigned int val)
{
      bfin_write_PFCTL(val);
      CSYNC();
}

static inline void count_read(unsigned int *count)
{
      count[0] = bfin_read_PFCNTR0();
      count[1] = bfin_read_PFCNTR1();
      CSYNC();
}

static inline void count_write(unsigned int *count)
{
      bfin_write_PFCNTR0(count[0]);
      bfin_write_PFCNTR1(count[1]);
      CSYNC();
}

extern int pm_overflow_handler(int irq, struct pt_regs *regs);

#endif

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