Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6] / arch / arm / oprofile / op_model_v6.c
1 /**
2  * @file op_model_v6.c
3  * ARM11 Performance Monitor Driver
4  *
5  * Based on op_model_xscale.c
6  *
7  * @remark Copyright 2000-2004 Deepak Saxena <dsaxena@mvista.com>
8  * @remark Copyright 2000-2004 MontaVista Software Inc
9  * @remark Copyright 2004 Dave Jiang <dave.jiang@intel.com>
10  * @remark Copyright 2004 Intel Corporation
11  * @remark Copyright 2004 Zwane Mwaikambo <zwane@arm.linux.org.uk>
12  * @remark Copyright 2004 OProfile Authors
13  *
14  * @remark Read the file COPYING
15  *
16  * @author Tony Lindgren <tony@atomide.com>
17  */
18
19 /* #define DEBUG */
20 #include <linux/types.h>
21 #include <linux/errno.h>
22 #include <linux/sched.h>
23 #include <linux/oprofile.h>
24 #include <linux/interrupt.h>
25 #include <asm/irq.h>
26 #include <asm/system.h>
27
28 #include "op_counter.h"
29 #include "op_arm_model.h"
30 #include "op_model_arm11_core.h"
31
32 static int irqs[] = {
33 #ifdef CONFIG_ARCH_OMAP2
34         3,
35 #endif
36 };
37
38 static void armv6_pmu_stop(void)
39 {
40         arm11_stop_pmu();
41         arm11_release_interrupts(irqs, ARRAY_SIZE(irqs));
42 }
43
44 static int armv6_pmu_start(void)
45 {
46         int ret;
47
48         ret = arm11_request_interrupts(irqs, ARRAY_SIZE(irqs));
49         if (ret >= 0)
50                 ret = arm11_start_pmu();
51
52         return ret;
53 }
54
55 static int armv6_detect_pmu(void)
56 {
57         return 0;
58 }
59
60 struct op_arm_model_spec op_armv6_spec = {
61         .init           = armv6_detect_pmu,
62         .num_counters   = 3,
63         .setup_ctrs     = arm11_setup_pmu,
64         .start          = armv6_pmu_start,
65         .stop           = armv6_pmu_stop,
66         .name           = "arm/armv6",
67 };