1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * exynos_ppmu.h - Exynos PPMU header file
4  *
5  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
6  * Author : Chanwoo Choi <cw00.choi@samsung.com>
7  */
8 
9 #ifndef __EXYNOS_PPMU_H__
10 #define __EXYNOS_PPMU_H__
11 
12 enum ppmu_state {
13 	PPMU_DISABLE = 0,
14 	PPMU_ENABLE,
15 };
16 
17 enum ppmu_counter {
18 	PPMU_PMNCNT0 = 0,
19 	PPMU_PMNCNT1,
20 	PPMU_PMNCNT2,
21 	PPMU_PMNCNT3,
22 
23 	PPMU_PMNCNT_MAX,
24 };
25 
26 /***
27  * PPMUv1.1 Definitions
28  */
29 enum ppmu_event_type {
30 	PPMU_RO_BUSY_CYCLE_CNT	= 0x0,
31 	PPMU_WO_BUSY_CYCLE_CNT	= 0x1,
32 	PPMU_RW_BUSY_CYCLE_CNT	= 0x2,
33 	PPMU_RO_REQUEST_CNT	= 0x3,
34 	PPMU_WO_REQUEST_CNT	= 0x4,
35 	PPMU_RO_DATA_CNT	= 0x5,
36 	PPMU_WO_DATA_CNT	= 0x6,
37 	PPMU_RO_LATENCY		= 0x12,
38 	PPMU_WO_LATENCY		= 0x16,
39 };
40 
41 enum ppmu_reg {
42 	/* PPC control register */
43 	PPMU_PMNC		= 0x00,
44 	PPMU_CNTENS		= 0x10,
45 	PPMU_CNTENC		= 0x20,
46 	PPMU_INTENS		= 0x30,
47 	PPMU_INTENC		= 0x40,
48 	PPMU_FLAG		= 0x50,
49 
50 	/* Cycle Counter and Performance Event Counter Register */
51 	PPMU_CCNT		= 0x100,
52 	PPMU_PMCNT0		= 0x110,
53 	PPMU_PMCNT1		= 0x120,
54 	PPMU_PMCNT2		= 0x130,
55 	PPMU_PMCNT3_HIGH	= 0x140,
56 	PPMU_PMCNT3_LOW		= 0x150,
57 
58 	/* Bus Event Generator */
59 	PPMU_BEVT0SEL		= 0x1000,
60 	PPMU_BEVT1SEL		= 0x1100,
61 	PPMU_BEVT2SEL		= 0x1200,
62 	PPMU_BEVT3SEL		= 0x1300,
63 	PPMU_COUNTER_RESET	= 0x1810,
64 	PPMU_READ_OVERFLOW_CNT	= 0x1810,
65 	PPMU_READ_UNDERFLOW_CNT	= 0x1814,
66 	PPMU_WRITE_OVERFLOW_CNT	= 0x1850,
67 	PPMU_WRITE_UNDERFLOW_CNT = 0x1854,
68 	PPMU_READ_PENDING_CNT	= 0x1880,
69 	PPMU_WRITE_PENDING_CNT	= 0x1884
70 };
71 
72 /* PMNC register */
73 #define PPMU_PMNC_CC_RESET_SHIFT	2
74 #define PPMU_PMNC_COUNTER_RESET_SHIFT	1
75 #define PPMU_PMNC_ENABLE_SHIFT		0
76 #define PPMU_PMNC_START_MODE_MASK	BIT(16)
77 #define PPMU_PMNC_CC_DIVIDER_MASK	BIT(3)
78 #define PPMU_PMNC_CC_RESET_MASK		BIT(2)
79 #define PPMU_PMNC_COUNTER_RESET_MASK	BIT(1)
80 #define PPMU_PMNC_ENABLE_MASK		BIT(0)
81 
82 /* CNTENS/CNTENC/INTENS/INTENC/FLAG register */
83 #define PPMU_CCNT_MASK			BIT(31)
84 #define PPMU_PMCNT3_MASK		BIT(3)
85 #define PPMU_PMCNT2_MASK		BIT(2)
86 #define PPMU_PMCNT1_MASK		BIT(1)
87 #define PPMU_PMCNT0_MASK		BIT(0)
88 
89 /* PPMU_PMNCTx/PPMU_BETxSEL registers */
90 #define PPMU_PMNCT(x)			(PPMU_PMCNT0 + (0x10 * x))
91 #define PPMU_BEVTxSEL(x)		(PPMU_BEVT0SEL + (0x100 * x))
92 
93 /***
94  * PPMU_V2.0 definitions
95  */
96 enum ppmu_v2_mode {
97 	PPMU_V2_MODE_MANUAL = 0,
98 	PPMU_V2_MODE_AUTO = 1,
99 	PPMU_V2_MODE_CIG = 2,	/* CIG (Conditional Interrupt Generation) */
100 };
101 
102 enum ppmu_v2_event_type {
103 	PPMU_V2_RO_DATA_CNT	= 0x4,
104 	PPMU_V2_WO_DATA_CNT	= 0x5,
105 
106 	PPMU_V2_EVT3_RW_DATA_CNT = 0x22,	/* Only for Event3 */
107 };
108 
109 enum ppmu_V2_reg {
110 	/* PPC control register */
111 	PPMU_V2_PMNC		= 0x04,
112 	PPMU_V2_CNTENS		= 0x08,
113 	PPMU_V2_CNTENC		= 0x0c,
114 	PPMU_V2_INTENS		= 0x10,
115 	PPMU_V2_INTENC		= 0x14,
116 	PPMU_V2_FLAG		= 0x18,
117 
118 	/* Cycle Counter and Performance Event Counter Register */
119 	PPMU_V2_CCNT		= 0x48,
120 	PPMU_V2_PMCNT0		= 0x34,
121 	PPMU_V2_PMCNT1		= 0x38,
122 	PPMU_V2_PMCNT2		= 0x3c,
123 	PPMU_V2_PMCNT3_LOW	= 0x40,
124 	PPMU_V2_PMCNT3_HIGH	= 0x44,
125 
126 	/* Bus Event Generator */
127 	PPMU_V2_CIG_CFG0		= 0x1c,
128 	PPMU_V2_CIG_CFG1		= 0x20,
129 	PPMU_V2_CIG_CFG2		= 0x24,
130 	PPMU_V2_CIG_RESULT	= 0x28,
131 	PPMU_V2_CNT_RESET	= 0x2c,
132 	PPMU_V2_CNT_AUTO		= 0x30,
133 	PPMU_V2_CH_EV0_TYPE	= 0x200,
134 	PPMU_V2_CH_EV1_TYPE	= 0x204,
135 	PPMU_V2_CH_EV2_TYPE	= 0x208,
136 	PPMU_V2_CH_EV3_TYPE	= 0x20c,
137 	PPMU_V2_SM_ID_V		= 0x220,
138 	PPMU_V2_SM_ID_A		= 0x224,
139 	PPMU_V2_SM_OTHERS_V	= 0x228,
140 	PPMU_V2_SM_OTHERS_A	= 0x22c,
141 	PPMU_V2_INTERRUPT_RESET	= 0x260,
142 };
143 
144 /* PMNC register */
145 #define PPMU_V2_PMNC_START_MODE_SHIFT	20
146 #define PPMU_V2_PMNC_START_MODE_MASK	(0x3 << PPMU_V2_PMNC_START_MODE_SHIFT)
147 
148 #define PPMU_PMNC_CC_RESET_SHIFT	2
149 #define PPMU_PMNC_COUNTER_RESET_SHIFT	1
150 #define PPMU_PMNC_ENABLE_SHIFT		0
151 #define PPMU_PMNC_START_MODE_MASK	BIT(16)
152 #define PPMU_PMNC_CC_DIVIDER_MASK	BIT(3)
153 #define PPMU_PMNC_CC_RESET_MASK		BIT(2)
154 #define PPMU_PMNC_COUNTER_RESET_MASK	BIT(1)
155 #define PPMU_PMNC_ENABLE_MASK		BIT(0)
156 
157 #define PPMU_V2_PMNCT(x)		(PPMU_V2_PMCNT0 + (0x4 * x))
158 #define PPMU_V2_CH_EVx_TYPE(x)		(PPMU_V2_CH_EV0_TYPE + (0x4 * x))
159 
160 #endif /* __EXYNOS_PPMU_H__ */
161