blob: 26dad006034fd783760cb861b2b53b42ac6d8452 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020 Linaro Ltd
*/
#ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H
#define __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H
#define RPM_BUS_MASTER_REQ 0x73616d62
#define RPM_BUS_SLAVE_REQ 0x766c7362
#define to_qcom_provider(_provider) \
container_of(_provider, struct qcom_icc_provider, provider)
enum qcom_icc_type {
QCOM_ICC_NOC,
QCOM_ICC_BIMC,
QCOM_ICC_QNOC,
};
/**
* struct qcom_icc_provider - Qualcomm specific interconnect provider
* @provider: generic interconnect provider
* @bus_clks: the clk_bulk_data table of bus clocks
* @num_clks: the total number of clk_bulk_data entries
* @type: the ICC provider type
* @qos_offset: offset to QoS registers
* @regmap: regmap for QoS registers read/write access
*/
struct qcom_icc_provider {
struct icc_provider provider;
int num_clks;
enum qcom_icc_type type;
struct regmap *regmap;
unsigned int qos_offset;
struct clk_bulk_data bus_clks[];
};
/**
* struct qcom_icc_qos - Qualcomm specific interconnect QoS parameters
* @areq_prio: node requests priority
* @prio_level: priority level for bus communication
* @limit_commands: activate/deactivate limiter mode during runtime
* @ap_owned: indicates if the node is owned by the AP or by the RPM
* @qos_mode: default qos mode for this node
* @qos_port: qos port number for finding qos registers of this node
* @urg_fwd_en: enable urgent forwarding
*/
struct qcom_icc_qos {
u32 areq_prio;
u32 prio_level;
bool limit_commands;
bool ap_owned;
int qos_mode;
int qos_port;
bool urg_fwd_en;
};
/**
* struct qcom_icc_node - Qualcomm specific interconnect nodes
* @name: the node name used in debugfs
* @id: a unique node identifier
* @links: an array of nodes where we can go next while traversing
* @num_links: the total number of @links
* @buswidth: width of the interconnect between a node and the bus (bytes)
* @mas_rpm_id: RPM id for devices that are bus masters
* @slv_rpm_id: RPM id for devices that are bus slaves
* @qos: NoC QoS setting parameters
* @rate: current bus clock rate in Hz
*/
struct qcom_icc_node {
unsigned char *name;
u16 id;
const u16 *links;
u16 num_links;
u16 buswidth;
int mas_rpm_id;
int slv_rpm_id;
struct qcom_icc_qos qos;
u64 rate;
};
struct qcom_icc_desc {
struct qcom_icc_node **nodes;
size_t num_nodes;
const char * const *clocks;
size_t num_clocks;
bool has_bus_pd;
enum qcom_icc_type type;
const struct regmap_config *regmap_cfg;
unsigned int qos_offset;
};
/* Valid for both NoC and BIMC */
#define NOC_QOS_MODE_INVALID -1
#define NOC_QOS_MODE_FIXED 0x0
#define NOC_QOS_MODE_BYPASS 0x2
int qnoc_probe(struct platform_device *pdev);
int qnoc_remove(struct platform_device *pdev);
#endif
|
