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62feb14e JN |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * Copyright (C) 2020 Linaro Ltd | |
4 | */ | |
5 | ||
6 | #ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H | |
7 | #define __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H | |
8 | ||
dcbce7b0 LY |
9 | #include <dt-bindings/interconnect/qcom,icc.h> |
10 | ||
62feb14e JN |
11 | #define RPM_BUS_MASTER_REQ 0x73616d62 |
12 | #define RPM_BUS_SLAVE_REQ 0x766c7362 | |
13 | ||
62feb14e JN |
14 | #define to_qcom_provider(_provider) \ |
15 | container_of(_provider, struct qcom_icc_provider, provider) | |
16 | ||
e9d54c26 SG |
17 | enum qcom_icc_type { |
18 | QCOM_ICC_NOC, | |
19 | QCOM_ICC_BIMC, | |
08c59040 | 20 | QCOM_ICC_QNOC, |
e9d54c26 SG |
21 | }; |
22 | ||
62feb14e JN |
23 | /** |
24 | * struct qcom_icc_provider - Qualcomm specific interconnect provider | |
25 | * @provider: generic interconnect provider | |
26 | * @bus_clks: the clk_bulk_data table of bus clocks | |
27 | * @num_clks: the total number of clk_bulk_data entries | |
e9d54c26 | 28 | * @type: the ICC provider type |
0788f4d5 | 29 | * @qos_offset: offset to QoS registers |
2b6c7d64 | 30 | * @regmap: regmap for QoS registers read/write access |
65fac3b3 | 31 | * @bus_clk_rate: bus clock rate in Hz |
62feb14e JN |
32 | */ |
33 | struct qcom_icc_provider { | |
34 | struct icc_provider provider; | |
62feb14e | 35 | int num_clks; |
e9d54c26 | 36 | enum qcom_icc_type type; |
2b6c7d64 | 37 | struct regmap *regmap; |
0788f4d5 | 38 | unsigned int qos_offset; |
97f7d384 | 39 | u64 *bus_clk_rate; |
63e8ab61 | 40 | struct clk_bulk_data bus_clks[]; |
62feb14e JN |
41 | }; |
42 | ||
2b6c7d64 DB |
43 | /** |
44 | * struct qcom_icc_qos - Qualcomm specific interconnect QoS parameters | |
45 | * @areq_prio: node requests priority | |
46 | * @prio_level: priority level for bus communication | |
47 | * @limit_commands: activate/deactivate limiter mode during runtime | |
48 | * @ap_owned: indicates if the node is owned by the AP or by the RPM | |
49 | * @qos_mode: default qos mode for this node | |
50 | * @qos_port: qos port number for finding qos registers of this node | |
08c59040 | 51 | * @urg_fwd_en: enable urgent forwarding |
2b6c7d64 DB |
52 | */ |
53 | struct qcom_icc_qos { | |
54 | u32 areq_prio; | |
55 | u32 prio_level; | |
56 | bool limit_commands; | |
57 | bool ap_owned; | |
58 | int qos_mode; | |
59 | int qos_port; | |
08c59040 | 60 | bool urg_fwd_en; |
2b6c7d64 DB |
61 | }; |
62 | ||
62feb14e JN |
63 | /** |
64 | * struct qcom_icc_node - Qualcomm specific interconnect nodes | |
65 | * @name: the node name used in debugfs | |
66 | * @id: a unique node identifier | |
67 | * @links: an array of nodes where we can go next while traversing | |
68 | * @num_links: the total number of @links | |
69 | * @buswidth: width of the interconnect between a node and the bus (bytes) | |
dcbce7b0 LY |
70 | * @sum_avg: current sum aggregate value of all avg bw requests |
71 | * @max_peak: current max aggregate value of all peak bw requests | |
62feb14e JN |
72 | * @mas_rpm_id: RPM id for devices that are bus masters |
73 | * @slv_rpm_id: RPM id for devices that are bus slaves | |
2b6c7d64 | 74 | * @qos: NoC QoS setting parameters |
62feb14e JN |
75 | */ |
76 | struct qcom_icc_node { | |
77 | unsigned char *name; | |
78 | u16 id; | |
2b6c7d64 | 79 | const u16 *links; |
62feb14e JN |
80 | u16 num_links; |
81 | u16 buswidth; | |
dcbce7b0 LY |
82 | u64 sum_avg[QCOM_ICC_NUM_BUCKETS]; |
83 | u64 max_peak[QCOM_ICC_NUM_BUCKETS]; | |
62feb14e JN |
84 | int mas_rpm_id; |
85 | int slv_rpm_id; | |
2b6c7d64 | 86 | struct qcom_icc_qos qos; |
62feb14e JN |
87 | }; |
88 | ||
89 | struct qcom_icc_desc { | |
2ccf33c0 | 90 | struct qcom_icc_node * const *nodes; |
62feb14e | 91 | size_t num_nodes; |
2b6c7d64 DB |
92 | const char * const *clocks; |
93 | size_t num_clocks; | |
e9d54c26 | 94 | enum qcom_icc_type type; |
2b6c7d64 | 95 | const struct regmap_config *regmap_cfg; |
0788f4d5 | 96 | unsigned int qos_offset; |
62feb14e JN |
97 | }; |
98 | ||
2b6c7d64 DB |
99 | /* Valid for both NoC and BIMC */ |
100 | #define NOC_QOS_MODE_INVALID -1 | |
101 | #define NOC_QOS_MODE_FIXED 0x0 | |
102 | #define NOC_QOS_MODE_BYPASS 0x2 | |
62feb14e | 103 | |
63e8ab61 | 104 | int qnoc_probe(struct platform_device *pdev); |
62feb14e JN |
105 | int qnoc_remove(struct platform_device *pdev); |
106 | ||
107 | #endif |