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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/interconnect/qcom/icc-rpm.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/interconnect/qcom/icc-rpm.h')
-rw-r--r--drivers/interconnect/qcom/icc-rpm.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
new file mode 100644
index 000000000..02257b0d3
--- /dev/null
+++ b/drivers/interconnect/qcom/icc-rpm.h
@@ -0,0 +1,107 @@
+/* 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
+
+#include <dt-bindings/interconnect/qcom,icc.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
+ * @bus_clk_rate: bus clock rate in Hz
+ */
+struct qcom_icc_provider {
+ struct icc_provider provider;
+ int num_clks;
+ enum qcom_icc_type type;
+ struct regmap *regmap;
+ unsigned int qos_offset;
+ u64 *bus_clk_rate;
+ 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)
+ * @sum_avg: current sum aggregate value of all avg bw requests
+ * @max_peak: current max aggregate value of all peak bw requests
+ * @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
+ */
+struct qcom_icc_node {
+ unsigned char *name;
+ u16 id;
+ const u16 *links;
+ u16 num_links;
+ u16 buswidth;
+ u64 sum_avg[QCOM_ICC_NUM_BUCKETS];
+ u64 max_peak[QCOM_ICC_NUM_BUCKETS];
+ int mas_rpm_id;
+ int slv_rpm_id;
+ struct qcom_icc_qos qos;
+};
+
+struct qcom_icc_desc {
+ struct qcom_icc_node * const *nodes;
+ size_t num_nodes;
+ const char * const *clocks;
+ size_t num_clocks;
+ 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