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Bryan Wu1394f032007-05-06 14:50:22 -07001/*
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();
Mike Frysingerd5148ff2007-07-25 11:57:42 +080071 CSYNC();
Bryan Wu1394f032007-05-06 14:50:22 -070072
73 return tmp;
74}
75
76static inline void ctr_write(unsigned int val)
77{
78 bfin_write_PFCTL(val);
Mike Frysingerd5148ff2007-07-25 11:57:42 +080079 CSYNC();
Bryan Wu1394f032007-05-06 14:50:22 -070080}
81
82static inline void count_read(unsigned int *count)
83{
84 count[0] = bfin_read_PFCNTR0();
85 count[1] = bfin_read_PFCNTR1();
Mike Frysingerd5148ff2007-07-25 11:57:42 +080086 CSYNC();
Bryan Wu1394f032007-05-06 14:50:22 -070087}
88
89static inline void count_write(unsigned int *count)
90{
91 bfin_write_PFCNTR0(count[0]);
92 bfin_write_PFCNTR1(count[1]);
Mike Frysingerd5148ff2007-07-25 11:57:42 +080093 CSYNC();
Bryan Wu1394f032007-05-06 14:50:22 -070094}
95
96extern int pm_overflow_handler(int irq, struct pt_regs *regs);
97
98#endif