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102 lines
2.7 KiB
102 lines
2.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2020 Linaro Ltd |
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*/ |
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#ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H |
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#define __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_H |
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#define RPM_BUS_MASTER_REQ 0x73616d62 |
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#define RPM_BUS_SLAVE_REQ 0x766c7362 |
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#define to_qcom_provider(_provider) \ |
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container_of(_provider, struct qcom_icc_provider, provider) |
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enum qcom_icc_type { |
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QCOM_ICC_NOC, |
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QCOM_ICC_BIMC, |
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QCOM_ICC_QNOC, |
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}; |
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/** |
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* struct qcom_icc_provider - Qualcomm specific interconnect provider |
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* @provider: generic interconnect provider |
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* @bus_clks: the clk_bulk_data table of bus clocks |
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* @num_clks: the total number of clk_bulk_data entries |
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* @type: the ICC provider type |
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* @qos_offset: offset to QoS registers |
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* @regmap: regmap for QoS registers read/write access |
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*/ |
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struct qcom_icc_provider { |
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struct icc_provider provider; |
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int num_clks; |
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enum qcom_icc_type type; |
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struct regmap *regmap; |
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unsigned int qos_offset; |
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struct clk_bulk_data bus_clks[]; |
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}; |
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/** |
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* struct qcom_icc_qos - Qualcomm specific interconnect QoS parameters |
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* @areq_prio: node requests priority |
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* @prio_level: priority level for bus communication |
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* @limit_commands: activate/deactivate limiter mode during runtime |
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* @ap_owned: indicates if the node is owned by the AP or by the RPM |
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* @qos_mode: default qos mode for this node |
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* @qos_port: qos port number for finding qos registers of this node |
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* @urg_fwd_en: enable urgent forwarding |
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*/ |
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struct qcom_icc_qos { |
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u32 areq_prio; |
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u32 prio_level; |
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bool limit_commands; |
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bool ap_owned; |
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int qos_mode; |
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int qos_port; |
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bool urg_fwd_en; |
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}; |
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/** |
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* struct qcom_icc_node - Qualcomm specific interconnect nodes |
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* @name: the node name used in debugfs |
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* @id: a unique node identifier |
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* @links: an array of nodes where we can go next while traversing |
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* @num_links: the total number of @links |
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* @buswidth: width of the interconnect between a node and the bus (bytes) |
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* @mas_rpm_id: RPM id for devices that are bus masters |
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* @slv_rpm_id: RPM id for devices that are bus slaves |
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* @qos: NoC QoS setting parameters |
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* @rate: current bus clock rate in Hz |
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*/ |
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struct qcom_icc_node { |
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unsigned char *name; |
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u16 id; |
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const u16 *links; |
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u16 num_links; |
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u16 buswidth; |
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int mas_rpm_id; |
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int slv_rpm_id; |
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struct qcom_icc_qos qos; |
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u64 rate; |
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}; |
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struct qcom_icc_desc { |
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struct qcom_icc_node **nodes; |
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size_t num_nodes; |
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const char * const *clocks; |
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size_t num_clocks; |
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bool has_bus_pd; |
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enum qcom_icc_type type; |
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const struct regmap_config *regmap_cfg; |
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unsigned int qos_offset; |
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}; |
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/* Valid for both NoC and BIMC */ |
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#define NOC_QOS_MODE_INVALID -1 |
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#define NOC_QOS_MODE_FIXED 0x0 |
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#define NOC_QOS_MODE_BYPASS 0x2 |
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int qnoc_probe(struct platform_device *pdev); |
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int qnoc_remove(struct platform_device *pdev); |
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#endif
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