blob: 101333fe2b8daf400e45300f1a03bc5ef3fea1da [file] [log] [blame]
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
* Copyright (C) 2017-2020 Mellanox Technologies Ltd.
* 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 {
* 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;
* Structure represents I2C hotplug device static data (board topology) and
* dynamic data (related kernel objects handles).
struct mlxreg_hotplug_device {
struct i2c_adapter *adapter;
struct i2c_client *client;
struct i2c_board_info *brdinfo;
int nr;
* 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;
* @mode: access mode;
* @np - pointer to node platform associated with attribute;
* @hpdev - hotplug device data;
* @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;
struct mlxreg_core_data {
u32 reg;
u32 mask;
u32 bit;
u32 capability;
u32 reg_prsnt;
umode_t mode;
struct device_node *np;
struct mlxreg_hotplug_device hpdev;
u32 health_cntr;
bool attached;
u8 regnum;
* struct mlxreg_core_item - same type components controlled by the driver:
* @data: component data;
* @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_data *data;
u32 aggr_mask;
u32 reg;
u32 mask;
u32 capability;
u32 cache;
u8 count;
u8 ind;
u8 inversed;
u8 health;
* 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_data *data;
void *regmap;
int counter;
u32 features;
u32 version;
u32 capability;
* 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;
struct mlxreg_core_hotplug_platform_data {
struct mlxreg_core_item *items;
int irq;
void *regmap;
int counter;
u32 cell;
u32 mask;
u32 cell_low;
u32 mask_low;
int deferred_nr;
int shift_nr;