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34 #ifndef __LINUX_PLATFORM_DATA_MLXREG_H
35 #define __LINUX_PLATFORM_DATA_MLXREG_H
37 #define MLXREG_CORE_LABEL_MAX_SIZE 32
38 #define MLXREG_CORE_WD_FEATURE_NOWAYOUT BIT(0)
39 #define MLXREG_CORE_WD_FEATURE_START_AT_BOOT BIT(1)
42 * enum mlxreg_wdt_type - type of HW watchdog
44 * TYPE1 HW watchdog implementation exist in old systems.
45 * All new systems have TYPE2 HW watchdog.
46 * TYPE3 HW watchdog can exist on all systems with new CPLD.
47 * TYPE3 is selected by WD capability bit.
49 enum mlxreg_wdt_type {
56 * struct mlxreg_hotplug_device - I2C device data:
58 * @adapter: I2C device adapter;
59 * @client: I2C device client;
60 * @brdinfo: device board information;
61 * @nr: I2C device adapter number, to which device is to be attached;
63 * Structure represents I2C hotplug device static data (board topology) and
64 * dynamic data (related kernel objects handles).
66 struct mlxreg_hotplug_device {
67 struct i2c_adapter *adapter;
68 struct i2c_client *client;
69 struct i2c_board_info *brdinfo;
74 * struct mlxreg_core_data - attributes control data:
76 * @label: attribute label;
77 * @reg: attribute register;
78 * @mask: attribute access mask;
79 * @bit: attribute effective bit;
80 * @capability: attribute capability register;
81 * @reg_prsnt: attribute presence register;
83 * @np - pointer to node platform associated with attribute;
84 * @hpdev - hotplug device data;
85 * @health_cntr: dynamic device health indication counter;
86 * @attached: true if device has been attached after good health indication;
87 * @regnum: number of registers occupied by multi-register attribute;
89 struct mlxreg_core_data {
90 char label[MLXREG_CORE_LABEL_MAX_SIZE];
97 struct device_node *np;
98 struct mlxreg_hotplug_device hpdev;
105 * struct mlxreg_core_item - same type components controlled by the driver:
107 * @data: component data;
108 * @aggr_mask: group aggregation mask;
109 * @reg: group interrupt status register;
110 * @mask: group interrupt mask;
111 * @capability: group capability register;
112 * @cache: last status value for elements fro the same group;
113 * @count: number of available elements in the group;
114 * @ind: element's index inside the group;
115 * @inversed: if 0: 0 for signal status is OK, if 1 - 1 is OK;
116 * @health: true if device has health indication, false in other case;
118 struct mlxreg_core_item {
119 struct mlxreg_core_data *data;
132 * struct mlxreg_core_platform_data - platform data:
134 * @data: instance private data;
135 * @regmap: register map of parent device;
136 * @counter: number of instances;
137 * @features: supported features of device;
138 * @version: implementation version;
139 * @identity: device identity name;
141 struct mlxreg_core_platform_data {
142 struct mlxreg_core_data *data;
147 char identity[MLXREG_CORE_LABEL_MAX_SIZE];
151 * struct mlxreg_core_hotplug_platform_data - hotplug platform data:
153 * @items: same type components with the hotplug capability;
154 * @irq: platform interrupt number;
155 * @regmap: register map of parent device;
156 * @counter: number of the components with the hotplug capability;
157 * @cell: location of top aggregation interrupt register;
158 * @mask: top aggregation interrupt common mask;
159 * @cell_low: location of low aggregation interrupt register;
160 * @mask_low: low aggregation interrupt common mask;
161 * @deferred_nr: I2C adapter number must be exist prior probing execution;
162 * @shift_nr: I2C adapter numbers must be incremented by this value;
164 struct mlxreg_core_hotplug_platform_data {
165 struct mlxreg_core_item *items;
177 #endif /* __LINUX_PLATFORM_DATA_MLXREG_H */