/*
 * Generic MIPS64 PMU specific types and definitions
 *
 * Contributed by Philip Mucci <mucci@cs.utk.edu> based on code from
 * Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P.
 * Contributed by Stephane Eranian <eranian@hpl.hp.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef __PFMLIB_SICORTEX_H__
#define __PFMLIB_SICORTEX_H__

#include <endian.h> /* MIPS are bi-endian */

#include <perfmon/pfmlib.h>
/*
 * privilege level mask usage for MIPS:
 *
 * PFM_PLM0 = KERNEL
 * PFM_PLM1 = SUPERVISOR
 * PFM_PLM2 = INTERRUPT
 * PFM_PLM3 = USER
 */

#ifdef __cplusplus
extern "C" {
#endif

/*
 * SiCortex specific
 */

typedef union {
	uint64_t	val;				/* complete register value */
	struct {
	        unsigned long sel_exl:1;		/* int level */
		unsigned long sel_os:1;			/* system level */
		unsigned long sel_sup:1;		/* supervisor level */
		unsigned long sel_usr:1;		/* user level */
	        unsigned long sel_int:1;		/* enable intr */
	  	unsigned long sel_event_mask:6;		/* event mask */
		unsigned long sel_res1:23;		/* reserved */
		unsigned long sel_res2:32;		/* reserved */
	} perfsel;
} pfm_sicortex_sel_reg_t;

#define PMU_SICORTEX_SCB_NUM_COUNTERS 256

typedef union {
  uint64_t val;
  struct {
    unsigned long Interval:4;
    unsigned long IntBit:5;
    unsigned long NoInc:1;
    unsigned long AddrAssert:1;
    unsigned long MagicEvent:2;
    unsigned long Reserved:19;
  } sicortex_ScbPerfCtl_reg; 
  struct {
    unsigned long HistGte:20;
    unsigned long Reserved:12;
  } sicortex_ScbPerfHist_reg; 
  struct {
  unsigned long Bucket:8;
  unsigned long Reserved:24;
  } sicortex_ScbPerfBuckNum_reg;
  struct {
    unsigned long ena:1;
    unsigned long Reserved:31;
  } sicortex_ScbPerfEna_reg; 
  struct {
  unsigned long event:15;
  unsigned long hist:1;
  unsigned long ifOther:2;
  unsigned long Reserved:15;
  } sicortex_ScbPerfBucket_reg; 
} pmc_sicortex_scb_reg_t;

typedef union {
  uint64_t val;
  struct {
    unsigned long Reserved:2;
    uint64_t VPCL:38;
    unsigned long VPCH:2;
  } sicortex_CpuPerfVPC_reg; 
  struct {
  unsigned long Reserved:5;
  unsigned long PEA:31;
  unsigned long Reserved2:12;
  unsigned long ASID:8;
  unsigned long L2STOP:4;
  unsigned long L2STATE:3;
  unsigned long L2HIT:1;
  } sicortex_CpuPerfPEA_reg; 
} pmd_sicortex_cpu_reg_t;
  
typedef struct {
  unsigned long NoInc:1;
  unsigned long Interval:4;
  unsigned long HistGte:20;
  unsigned long Bucket:8;
} pfmlib_sicortex_scb_t;

typedef struct {
  unsigned long ifOther:2;
  unsigned long hist:1;
} pfmlib_sicortex_scb_counter_t;
  
#define PFMLIB_SICORTEX_INPUT_SCB_NONE (unsigned long)0x0
#define PFMLIB_SICORTEX_INPUT_SCB_INTERVAL (unsigned long)0x1
#define PFMLIB_SICORTEX_INPUT_SCB_NOINC (unsigned long)0x2
#define PFMLIB_SICORTEX_INPUT_SCB_HISTGTE (unsigned long)0x4
#define PFMLIB_SICORTEX_INPUT_SCB_BUCKET (unsigned long)0x8

typedef struct {
  unsigned long flags; 
  pfmlib_sicortex_scb_counter_t pfp_sicortex_scb_counters[PMU_SICORTEX_SCB_NUM_COUNTERS];
  pfmlib_sicortex_scb_t pfp_sicortex_scb_global;
} pfmlib_sicortex_input_param_t;

typedef struct {
  unsigned long reserved;
} pfmlib_sicortex_output_param_t;

/* CPU counter */
int pfm_sicortex_is_cpu(unsigned int i);
/* SCB counter */
int pfm_sicortex_is_scb(unsigned int i);
/* Reg 25 domain support */
int pfm_sicortex_support_domain(unsigned int i);
/* VPC/PEA sampling support */
int pfm_sicortex_support_vpc_pea(unsigned int i);

#ifdef __cplusplus /* extern C */
}
#endif

#endif /* __PFMLIB_GEN_MIPS64_H__ */