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Diffstat (limited to 'arch/blackfin/oprofile/op_blackfin.h')
| -rw-r--r-- | arch/blackfin/oprofile/op_blackfin.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/blackfin/oprofile/op_blackfin.h b/arch/blackfin/oprofile/op_blackfin.h new file mode 100644 index 00000000000..f88f446c814 --- /dev/null +++ b/arch/blackfin/oprofile/op_blackfin.h @@ -0,0 +1,98 @@ +/* + * File: arch/blackfin/oprofile/op_blackfin.h + * Based on: + * Author: Anton Blanchard <anton@au.ibm.com> + * + * Created: + * Description: + * + * Modified: + * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM + * Copyright 2004-2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef OP_BLACKFIN_H +#define OP_BLACKFIN_H 1 + +#define OP_MAX_COUNTER 2 + +#include <asm/blackfin.h> + +/* Per-counter configuration as set via oprofilefs. */ +struct op_counter_config { + unsigned long valid; + unsigned long enabled; + unsigned long event; + unsigned long count; + unsigned long kernel; + unsigned long user; + unsigned long unit_mask; +}; + +/* System-wide configuration as set via oprofilefs. */ +struct op_system_config { + unsigned long enable_kernel; + unsigned long enable_user; +}; + +/* Per-arch configuration */ +struct op_bfin533_model { + int (*reg_setup) (struct op_counter_config *); + int (*start) (struct op_counter_config *); + void (*stop) (void); + int num_counters; + char *name; +}; + +extern struct op_bfin533_model op_model_bfin533; + +static inline unsigned int ctr_read(void) +{ + unsigned int tmp; + + tmp = bfin_read_PFCTL(); + __builtin_bfin_csync(); + + return tmp; +} + +static inline void ctr_write(unsigned int val) +{ + bfin_write_PFCTL(val); + __builtin_bfin_csync(); +} + +static inline void count_read(unsigned int *count) +{ + count[0] = bfin_read_PFCNTR0(); + count[1] = bfin_read_PFCNTR1(); + __builtin_bfin_csync(); +} + +static inline void count_write(unsigned int *count) +{ + bfin_write_PFCNTR0(count[0]); + bfin_write_PFCNTR1(count[1]); + __builtin_bfin_csync(); +} + +extern int pm_overflow_handler(int irq, struct pt_regs *regs); + +#endif |