^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2020, The Linux Foundation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPMH_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define __DRIVERS_INTERCONNECT_QCOM_ICC_RPMH_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <dt-bindings/interconnect/qcom,icc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define to_qcom_provider(_provider) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) container_of(_provider, struct qcom_icc_provider, provider)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * struct qcom_icc_provider - Qualcomm specific interconnect provider
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * @provider: generic interconnect provider
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * @dev: reference to the NoC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * @bcms: list of bcms that maps to the provider
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * @num_bcms: number of @bcms
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * @voter: bcm voter targeted by this provider
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct qcom_icc_provider {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct icc_provider provider;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct qcom_icc_bcm **bcms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) size_t num_bcms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct bcm_voter *voter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager (BCM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * @unit: divisor used to convert bytes/sec bw value to an RPMh msg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * @width: multiplier used to convert bytes/sec bw value to an RPMh msg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * @vcd: virtual clock domain that this bcm belongs to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * @reserved: reserved field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct bcm_db {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) __le32 unit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) __le16 width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u8 vcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) u8 reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define MAX_LINKS 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define MAX_BCMS 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define MAX_BCM_PER_NODE 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define MAX_VCD 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * struct qcom_icc_node - Qualcomm specific interconnect nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * @name: the node name used in debugfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * @links: an array of nodes where we can go next while traversing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * @id: a unique node identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * @num_links: the total number of @links
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * @channels: num of channels at this node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * @buswidth: width of the interconnect between a node and the bus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * @sum_avg: current sum aggregate value of all avg bw requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * @max_peak: current max aggregate value of all peak bw requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * @bcms: list of bcms associated with this logical node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * @num_bcms: num of @bcms
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct qcom_icc_node {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) u16 links[MAX_LINKS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u16 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u16 num_links;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) u16 channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) u16 buswidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) u64 sum_avg[QCOM_ICC_NUM_BUCKETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) u64 max_peak[QCOM_ICC_NUM_BUCKETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct qcom_icc_bcm *bcms[MAX_BCM_PER_NODE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) size_t num_bcms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * struct qcom_icc_bcm - Qualcomm specific hardware accelerator nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * known as Bus Clock Manager (BCM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * @name: the bcm node name used to fetch BCM data from command db
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * @type: latency or bandwidth bcm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * @addr: address offsets used when voting to RPMH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * @vote_x: aggregated threshold values, represents sum_bw when @type is bw bcm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * @vote_y: aggregated threshold values, represents peak_bw when @type is bw bcm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * @vote_scale: scaling factor for vote_x and vote_y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * @dirty: flag used to indicate whether the bcm needs to be committed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * @keepalive: flag used to indicate whether a keepalive is required
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * @aux_data: auxiliary data used when calculating threshold values and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * communicating with RPMh
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * @list: used to link to other bcms when compiling lists for commit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * @ws_list: used to keep track of bcms that may transition between wake/sleep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * @num_nodes: total number of @num_nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * @nodes: list of qcom_icc_nodes that this BCM encapsulates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) struct qcom_icc_bcm {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u32 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) u32 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) u64 vote_x[QCOM_ICC_NUM_BUCKETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) u64 vote_y[QCOM_ICC_NUM_BUCKETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) u64 vote_scale;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) bool dirty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) bool keepalive;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct bcm_db aux_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct list_head ws_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) size_t num_nodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct qcom_icc_node *nodes[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct qcom_icc_fabric {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct qcom_icc_node **nodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) size_t num_nodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct qcom_icc_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct qcom_icc_node **nodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) size_t num_nodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct qcom_icc_bcm **bcms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) size_t num_bcms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #define DEFINE_QNODE(_name, _id, _channels, _buswidth, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static struct qcom_icc_node _name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .id = _id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .name = #_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .channels = _channels, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .buswidth = _buswidth, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .links = { __VA_ARGS__ }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) int qcom_icc_set(struct icc_node *src, struct icc_node *dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) void qcom_icc_pre_aggregate(struct icc_node *node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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