0  _I|Mjq؂ File not found. $  ea4()P@ pO)F? /* SPDX-License-Identifier: GPL-2.0-only */ /* * SCMI Message Protocol driver header * * Copyright (C) 2018-2021 ARM Ltd. */ #ifndef _LINUX_SCMI_PROTOCOL_H #define _LINUX_SCMI_PROTOCOL_H #include #include #include #include #define SCMI_MAX_STR_SIZE 64 #define SCMI_SHORT_NAME_MAX_SIZE 16 #define SCMI_MAX_NUM_RATES 16 /** * struct scmi_revision_info - version information structure * * @major_ver: Major ABI version. Change here implies risk of backward * compatibility break. * @minor_ver: Minor ABI version. Change here implies new feature addition, * or compatible change in ABI. * @num_protocols: Number of protocols that are implemented, excluding the * base protocol. * @num_agents: Number of agents in the system. * @impl_ver: A vendor-specific implementation version. * @vendor_id: A vendor identifier(Null terminated ASCII string) * @sub_vendor_id: A sub-vendor identifier(Null terminated ASCII string) */ struct scmi_revision_info { u16 major_ver; u16 minor_ver; u8 num_protocols; u8 num_agents; u32 impl_ver; char vendor_id[SCMI_SHORT_NAME_MAX_SIZE]; char sub_vendor_id[SCMI_SHORT_NAME_MAX_SIZE]; }; struct scmi_clock_info { char name[SCMI_MAX_STR_SIZE]; unsigned int enable_latency; bool rate_discrete; bool rate_changed_notifications; bool rate_change_requested_notifications; bool state_ctrl_forbidden; bool rate_ctrl_forbidden; bool parent_ctrl_forbidden; bool extended_config; union { struct { int num_rates; u64 rates[SCMI_MAX_NUM_RATES]; } list; struct { u64 min_rate; u64 max_rate; u64 step_size; } range; }; int num_parents; u32 *parents; }; enum scmi_power_scale { SCMI_POWER_BOGOWATTS, SCMI_POWER_MILLIWATTS, SCMI_POWER_MICROWATTS }; struct scmi_handle; struct scmi_device; struct scmi_protocol_handle; enum scmi_clock_oem_config { SCMI_CLOCK_CFG_DUTY_CYCLE = 0x1, SCMI_CLOCK_CFG_PHASE, SCMI_CLOCK_CFG_OEM_START = 0x80, SCMI_CLOCK_CFG_OEM_END = 0xFF, }; /** * struct scmi_clk_proto_ops - represents the various operations provided * by SCMI Clock Protocol * * @count_get: get the count of clocks provided by SCMI * @info_get: get the information of the specified clock * @rate_get: request the current clock rate of a clock * @rate_set: set the clock rate of a clock * @enable: enables the specified clock * @disable: disables the specified clock * @state_get: get the status of the specified clock * @config_oem_get: get the value of an OEM specific clock config * @config_oem_set: set the value of an OEM specific clock config * @parent_get: get the parent id of a clk * @parent_set: set the parent of a clock */ struct scmi_clk_proto_ops { int (*count_get)(const struct scmi_protocol_handle *ph); const struct scmi_clock_info __must_check *(*info_get) (const struct scmi_protocol_handle *ph, u32 clk_id); int (*rate_get)(const struct scmi_protocol_handle *ph, u32 clk_id, u64 *rate); int (*rate_set)(const struct scmi_protocol_handle *ph, u32 clk_id, u64 rate); int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id, bool atomic); int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id, bool atomic); int (*state_get)(const struct scmi_protocol_handle *ph, u32 clk_id, bool *enabled, bool atomic); int (*config_oem_get)(const struct scmi_protocol_handle *ph, u32 clk_id, enum scmi_clock_oem_config oem_type, u32 *oem_val, u32 *attributes, bool atomic); int (*config_oem_set)(const struct scmi_protocol_handle *ph, u32 clk_id, enum scmi_clock_oem_config oem_type, u32 oem_val, bool atomic); int (*parent_get)(const struct scmi_protocol_handle *ph, u32 clk_id, u32 *parent_id); int (*parent_set)(const struct scmi_protocol_handle *ph, u32 clk_id, u32 parent_id); }; struct scmi_perf_domain_info { char name[SCMI_MAX_STR_SIZE]; bool set_perf; }; /** * struct scmi_perf_proto_ops - represents the