diff options
Diffstat (limited to 'drivers/interconnect/qcom/icc-rpmh.h')
| -rw-r--r-- | drivers/interconnect/qcom/icc-rpmh.h | 84 |
1 files changed, 51 insertions, 33 deletions
diff --git a/drivers/interconnect/qcom/icc-rpmh.h b/drivers/interconnect/qcom/icc-rpmh.h index 903d25e61984..09d8791402dc 100644 --- a/drivers/interconnect/qcom/icc-rpmh.h +++ b/drivers/interconnect/qcom/icc-rpmh.h @@ -1,11 +1,15 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPMH_H__ #define __DRIVERS_INTERCONNECT_QCOM_ICC_RPMH_H__ +#include <dt-bindings/interconnect/qcom,icc.h> +#include <linux/regmap.h> + #define to_qcom_provider(_provider) \ container_of(_provider, struct qcom_icc_provider, provider) @@ -16,13 +20,23 @@ * @bcms: list of bcms that maps to the provider * @num_bcms: number of @bcms * @voter: bcm voter targeted by this provider + * @nodes: list of icc nodes that maps to the provider + * @num_nodes: number of @nodes + * @regmap: used for QoS, register access + * @clks : clks required for register access + * @num_clks: number of @clks */ struct qcom_icc_provider { struct icc_provider provider; struct device *dev; - struct qcom_icc_bcm **bcms; + struct qcom_icc_bcm * const *bcms; size_t num_bcms; struct bcm_voter *voter; + struct qcom_icc_node * const *nodes; + size_t num_nodes; + struct regmap *regmap; + struct clk_bulk_data *clks; + int num_clks; }; /** @@ -39,32 +53,36 @@ struct bcm_db { u8 reserved; }; +#define MAX_PORTS 4 + +/** + * struct qcom_icc_qosbox - Qualcomm specific QoS config + * @prio: priority value assigned to requests on the node + * @urg_fwd: whether to forward the urgency promotion issued by master + * (endpoint), or discard + * @prio_fwd_disable: whether to forward the priority driven by master, or + * override by @prio + * @num_ports: number of @ports + * @port_offsets: qos register offsets + */ +struct qcom_icc_qosbox { + const u32 prio; + const bool urg_fwd; + const bool prio_fwd_disable; + const u32 num_ports; + const u32 port_offsets[MAX_PORTS]; +}; + #define MAX_LINKS 128 #define MAX_BCMS 64 #define MAX_BCM_PER_NODE 3 #define MAX_VCD 10 -/* - * The AMC bucket denotes constraints that are applied to hardware when - * icc_set_bw() completes, whereas the WAKE and SLEEP constraints are applied - * when the execution environment transitions between active and low power mode. - */ -#define QCOM_ICC_BUCKET_AMC 0 -#define QCOM_ICC_BUCKET_WAKE 1 -#define QCOM_ICC_BUCKET_SLEEP 2 -#define QCOM_ICC_NUM_BUCKETS 3 -#define QCOM_ICC_TAG_AMC BIT(QCOM_ICC_BUCKET_AMC) -#define QCOM_ICC_TAG_WAKE BIT(QCOM_ICC_BUCKET_WAKE) -#define QCOM_ICC_TAG_SLEEP BIT(QCOM_ICC_BUCKET_SLEEP) -#define QCOM_ICC_TAG_ACTIVE_ONLY (QCOM_ICC_TAG_AMC | QCOM_ICC_TAG_WAKE) -#define QCOM_ICC_TAG_ALWAYS (QCOM_ICC_TAG_AMC | QCOM_ICC_TAG_WAKE |\ - QCOM_ICC_TAG_SLEEP) - /** * struct qcom_icc_node - Qualcomm specific interconnect nodes * @name: the node name used in debugfs - * @links: an array of nodes where we can go next while traversing - * @id: a unique node identifier + * @link_nodes: links associated with this node + * @node: icc_node associated with this node * @num_links: the total number of @links * @channels: num of channels at this node * @buswidth: width of the interconnect between a node and the bus @@ -72,11 +90,11 @@ struct bcm_db { * @max_peak: current max aggregate value of all peak bw requests * @bcms: list of bcms associated with this logical node * @num_bcms: num of @bcms + * @qosbox: QoS config data associated with node */ struct qcom_icc_node { const char *name; - u16 links[MAX_LINKS]; - u16 id; + struct icc_node *node; u16 num_links; u16 channels; u16 buswidth; @@ -84,6 +102,8 @@ struct qcom_icc_node { u64 max_peak[QCOM_ICC_NUM_BUCKETS]; struct qcom_icc_bcm *bcms[MAX_BCM_PER_NODE]; size_t num_bcms; + const struct qcom_icc_qosbox *qosbox; + struct qcom_icc_node *link_nodes[]; }; /** @@ -94,6 +114,8 @@ struct qcom_icc_node { * @addr: address offsets used when voting to RPMH * @vote_x: aggregated threshold values, represents sum_bw when @type is bw bcm * @vote_y: aggregated threshold values, represents peak_bw when @type is bw bcm + * @vote_scale: scaling factor for vote_x and vote_y + * @enable_mask: optional mask to send as vote instead of vote_x/vote_y * @dirty: flag used to indicate whether the bcm needs to be committed * @keepalive: flag used to indicate whether a keepalive is required * @aux_data: auxiliary data used when calculating threshold values and @@ -109,6 +131,8 @@ struct qcom_icc_bcm { u32 addr; u64 vote_x[QCOM_ICC_NUM_BUCKETS]; u64 vote_y[QCOM_ICC_NUM_BUCKETS]; + u64 vote_scale; + u32 enable_mask; bool dirty; bool keepalive; struct bcm_db aux_data; @@ -124,26 +148,20 @@ struct qcom_icc_fabric { }; struct qcom_icc_desc { - struct qcom_icc_node **nodes; + const struct regmap_config *config; + struct qcom_icc_node * const *nodes; size_t num_nodes; - struct qcom_icc_bcm **bcms; + struct qcom_icc_bcm * const *bcms; size_t num_bcms; + bool qos_requires_clocks; }; -#define DEFINE_QNODE(_name, _id, _channels, _buswidth, ...) \ - static struct qcom_icc_node _name = { \ - .id = _id, \ - .name = #_name, \ - .channels = _channels, \ - .buswidth = _buswidth, \ - .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \ - .links = { __VA_ARGS__ }, \ - } - int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw, u32 peak_bw, u32 *agg_avg, u32 *agg_peak); int qcom_icc_set(struct icc_node *src, struct icc_node *dst); int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device *dev); void qcom_icc_pre_aggregate(struct icc_node *node); +int qcom_icc_rpmh_probe(struct platform_device *pdev); +void qcom_icc_rpmh_remove(struct platform_device *pdev); #endif |