/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /* * Copyright (C) 2017-2020 Mellanox Technologies Ltd. */ #ifndef __LINUX_PLATFORM_DATA_MLXREG_H #define __LINUX_PLATFORM_DATA_MLXREG_H #define MLXREG_CORE_LABEL_MAX_SIZE … #define MLXREG_CORE_WD_FEATURE_NOWAYOUT … #define MLXREG_CORE_WD_FEATURE_START_AT_BOOT … /** * enum mlxreg_wdt_type - type of HW watchdog * * TYPE1 HW watchdog implementation exist in old systems. * All new systems have TYPE2 HW watchdog. * TYPE3 HW watchdog can exist on all systems with new CPLD. * TYPE3 is selected by WD capability bit. */ enum mlxreg_wdt_type { … }; /** * enum mlxreg_hotplug_kind - kind of hotplug entry * * @MLXREG_HOTPLUG_DEVICE_NA: do not care; * @MLXREG_HOTPLUG_LC_PRESENT: entry for line card presence in/out events; * @MLXREG_HOTPLUG_LC_VERIFIED: entry for line card verification status events * coming after line card security signature validation; * @MLXREG_HOTPLUG_LC_POWERED: entry for line card power on/off events; * @MLXREG_HOTPLUG_LC_SYNCED: entry for line card synchronization events, coming * after hardware-firmware synchronization handshake; * @MLXREG_HOTPLUG_LC_READY: entry for line card ready events, indicating line card PHYs ready / unready state; * @MLXREG_HOTPLUG_LC_ACTIVE: entry for line card active events, indicating firmware * availability / unavailability for the ports on line card; * @MLXREG_HOTPLUG_LC_THERMAL: entry for line card thermal shutdown events, positive * event indicates that system should power off the line * card for which this event has been received; */ enum mlxreg_hotplug_kind { … }; /** * enum mlxreg_hotplug_device_action - hotplug device action required for * driver's connectivity * * @MLXREG_HOTPLUG_DEVICE_DEFAULT_ACTION: probe device for 'on' event, remove * for 'off' event; * @MLXREG_HOTPLUG_DEVICE_PLATFORM_ACTION: probe platform device for 'on' * event, remove for 'off' event; * @MLXREG_HOTPLUG_DEVICE_NO_ACTION: no connectivity action is required; */ enum mlxreg_hotplug_device_action { … }; /** * struct mlxreg_core_hotplug_notifier - hotplug notifier block: * * @identity: notifier identity name; * @handle: user handle to be passed by user handler function; * @user_handler: user handler function associated with the event; */ struct mlxreg_core_hotplug_notifier { … }; /** * struct mlxreg_hotplug_device - I2C device data: * * @adapter: I2C device adapter; * @client: I2C device client; * @brdinfo: device board information; * @nr: I2C device adapter number, to which device is to be attached; * @pdev: platform device, if device is instantiated as a platform device; * @action: action to be performed upon event receiving; * @handle: user handle to be passed by user handler function; * @user_handler: user handler function associated with the event; * @notifier: pointer to event notifier block; * * Structure represents I2C hotplug device static data (board topology) and * dynamic data (related kernel objects handles). */ struct mlxreg_hotplug_device { … }; /** * struct mlxreg_core_data - attributes control data: * * @label: attribute label; * @reg: attribute register; * @mask: attribute access mask; * @bit: attribute effective bit; * @capability: attribute capability register; * @reg_prsnt: attribute presence register; * @reg_sync: attribute synch register; * @reg_pwr: attribute power register; * @reg_ena: attribute enable register; * @mode: access mode; * @np - pointer to node platform associated with attribute; * @hpdev - hotplug device data; * @notifier: pointer to event notifier block; * @health_cntr: dynamic device health indication counter; * @attached: true if device has been attached after good health indication; * @regnum: number of registers occupied by multi-register attribute; * @slot: slot number, at which device is located; * @secured: if set indicates that entry access is secured; */ struct mlxreg_core_data { … }; /** * struct mlxreg_core_item - same type components controlled by the driver: * * @data: component data; * @kind: kind of hotplug attribute; * @aggr_mask: group aggregation mask; * @reg: group interrupt status register; * @mask: group interrupt mask; * @capability: group capability register; * @cache: last status value for elements fro the same group; * @count: number of available elements in the group; * @ind: element's index inside the group; * @inversed: if 0: 0 for signal status is OK, if 1 - 1 is OK; * @health: true if device has health indication, false in other case; */ struct mlxreg_core_item { … }; /** * struct mlxreg_core_platform_data - platform data: * * @data: instance private data; * @regmap: register map of parent device; * @counter: number of instances; * @features: supported features of device; * @version: implementation version; * @identity: device identity name; * @capability: device capability register; */ struct mlxreg_core_platform_data { … }; /** * struct mlxreg_core_hotplug_platform_data - hotplug platform data: * * @items: same type components with the hotplug capability; * @irq: platform interrupt number; * @regmap: register map of parent device; * @counter: number of the components with the hotplug capability; * @cell: location of top aggregation interrupt register; * @mask: top aggregation interrupt common mask; * @cell_low: location of low aggregation interrupt register; * @mask_low: low aggregation interrupt common mask; * @deferred_nr: I2C adapter number must be exist prior probing execution; * @shift_nr: I2C adapter numbers must be incremented by this value; * @addr: mapped resource address; * @handle: handle to be passed by callback; * @completion_notify: callback to notify when platform driver probing is done; */ struct mlxreg_core_hotplug_platform_data { … }; #endif /* __LINUX_PLATFORM_DATA_MLXREG_H */
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