1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 Justin Hibbits
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef _DEV_HWPMC_POWERPC_H_
32#define	_DEV_HWPMC_POWERPC_H_ 1
33
34#ifdef _KERNEL
35
36#define	POWERPC_PMC_CAPS	(PMC_CAP_INTERRUPT | PMC_CAP_USER |     \
37				 PMC_CAP_SYSTEM | PMC_CAP_EDGE |	\
38				 PMC_CAP_THRESHOLD | PMC_CAP_READ |	\
39				 PMC_CAP_WRITE | PMC_CAP_INVERT |	\
40				 PMC_CAP_QUALIFIER)
41
42#define POWERPC_PMC_KERNEL_ENABLE	(0x1 << 30)
43#define POWERPC_PMC_USER_ENABLE		(0x1 << 31)
44
45#define POWERPC_PMC_ENABLE	(POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE)
46#define	POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V)	(0x80000000-(V))
47#define	POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P)	(0x80000000-(P))
48
49struct powerpc_cpu {
50	struct pmc_hw   *pc_ppcpmcs;
51	enum pmc_class	 pc_class;
52};
53
54extern struct powerpc_cpu **powerpc_pcpu;
55
56extern int pmc_e500_initialize(struct pmc_mdep *pmc_mdep);
57extern int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep);
58extern int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep);
59
60extern int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc);
61extern int powerpc_get_config(int cpu, int ri, struct pmc **ppm);
62#endif /* _KERNEL */
63
64#endif	/* _DEV_HWPMC_POWERPC_H_ */
65