arch/powerpc/platforms/cell/pmu.h

   1 /*
   2  * Cell Broadband Engine Performance Monitor
   3  *
   4  * (C) Copyright IBM Corporation 2001,2006
   5  *
   6  * Author:
   7  *   David Erb (djerb@us.ibm.com)
   8  *   Kevin Corry (kevcorry@us.ibm.com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #ifndef __PERFMON_H__
  26 #define __PERFMON_H__
  27
  28 enum pm_reg_name {
  29         group_control,
  30         debug_bus_control,
  31         trace_address,
  32         ext_tr_timer,
  33         pm_status,
  34         pm_control,
  35         pm_interval,
  36         pm_start_stop,
  37 };
  38
  39 extern u32  cbe_read_phys_ctr(u32 cpu, u32 phys_ctr);
  40 extern void cbe_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
  41 extern u32  cbe_read_ctr(u32 cpu, u32 ctr);
  42 extern void cbe_write_ctr(u32 cpu, u32 ctr, u32 val);
  43
  44 extern u32  cbe_read_pm07_control(u32 cpu, u32 ctr);
  45 extern void cbe_write_pm07_control(u32 cpu, u32 ctr, u32 val);
  46 extern u32  cbe_read_pm (u32 cpu, enum pm_reg_name reg);
  47 extern void cbe_write_pm (u32 cpu, enum pm_reg_name reg, u32 val);
  48
  49 extern u32  cbe_get_ctr_size(u32 cpu, u32 phys_ctr);
  50 extern void cbe_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
  51
  52 extern void cbe_enable_pm(u32 cpu);
  53 extern void cbe_disable_pm(u32 cpu);
  54
  55 extern void cbe_read_trace_buffer(u32 cpu, u64 *buf);
  56
  57 #endif