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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. */ | |
39 | struct 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. */ | |
50 | struct op_system_config { | |
51 | unsigned long enable_kernel; | |
52 | unsigned long enable_user; | |
53 | }; | |
54 | ||
55 | /* Per-arch configuration */ | |
56 | struct 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 | ||
64 | extern struct op_bfin533_model op_model_bfin533; | |
65 | ||
66 | static inline unsigned int ctr_read(void) | |
67 | { | |
68 | unsigned int tmp; | |
69 | ||
70 | tmp = bfin_read_PFCTL(); | |
d5148ffa | 71 | CSYNC(); |
1394f032 BW |
72 | |
73 | return tmp; | |
74 | } | |
75 | ||
76 | static inline void ctr_write(unsigned int val) | |
77 | { | |
78 | bfin_write_PFCTL(val); | |
d5148ffa | 79 | CSYNC(); |
1394f032 BW |
80 | } |
81 | ||
82 | static inline void count_read(unsigned int *count) | |
83 | { | |
84 | count[0] = bfin_read_PFCNTR0(); | |
85 | count[1] = bfin_read_PFCNTR1(); | |
d5148ffa | 86 | CSYNC(); |
1394f032 BW |
87 | } |
88 | ||
89 | static inline void count_write(unsigned int *count) | |
90 | { | |
91 | bfin_write_PFCNTR0(count[0]); | |
92 | bfin_write_PFCNTR1(count[1]); | |
d5148ffa | 93 | CSYNC(); |
1394f032 BW |
94 | } |
95 | ||
96 | extern int pm_overflow_handler(int irq, struct pt_regs *regs); | |
97 | ||
98 | #endif |