1/*
2 * File:         arch/blackfin/oprofile/op_blackfin.h
3 * Based on:
4 * Author:       Anton Blanchard <anton@au.ibm.com>
5 *
6 * Created:
7 * Description:
8 *
9 * Modified:
10 *               Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
11 *               Copyright 2004-2006 Analog Devices Inc.
12 *
13 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, see the file COPYING, or write
27 * to the Free Software Foundation, Inc.,
28 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
29 */
30
31#ifndef OP_BLACKFIN_H
32#define OP_BLACKFIN_H 1
33
34#define OP_MAX_COUNTER 2
35
36#include <asm/blackfin.h>
37
38/* Per-counter configuration as set via oprofilefs.  */
39struct op_counter_config {
40	unsigned long valid;
41	unsigned long enabled;
42	unsigned long event;
43	unsigned long count;
44	unsigned long kernel;
45	unsigned long user;
46	unsigned long unit_mask;
47};
48
49/* System-wide configuration as set via oprofilefs.  */
50struct op_system_config {
51	unsigned long enable_kernel;
52	unsigned long enable_user;
53};
54
55/* Per-arch configuration */
56struct op_bfin533_model {
57	int (*reg_setup) (struct op_counter_config *);
58	int (*start) (struct op_counter_config *);
59	void (*stop) (void);
60	int num_counters;
61	char *name;
62};
63
64extern struct op_bfin533_model op_model_bfin533;
65
66static inline unsigned int ctr_read(void)
67{
68	unsigned int tmp;
69
70	tmp = bfin_read_PFCTL();
71	__builtin_bfin_csync();
72
73	return tmp;
74}
75
76static inline void ctr_write(unsigned int val)
77{
78	bfin_write_PFCTL(val);
79	__builtin_bfin_csync();
80}
81
82static inline void count_read(unsigned int *count)
83{
84	count[0] = bfin_read_PFCNTR0();
85	count[1] = bfin_read_PFCNTR1();
86	__builtin_bfin_csync();
87}
88
89static inline void count_write(unsigned int *count)
90{
91	bfin_write_PFCNTR0(count[0]);
92	bfin_write_PFCNTR1(count[1]);
93	__builtin_bfin_csync();
94}
95
96extern int pm_overflow_handler(int irq, struct pt_regs *regs);
97
98#endif
99