git://bbs.cooldavid.org / net-next-2.6.git / blame
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|---|---|---|
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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(); |
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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 | ||
| f994607a | 96 | extern int pm_overflow_handler(struct pt_regs *regs); |
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97 | |
| 98 | #endif |