92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
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/*
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* Copyright 2019 Broadcom.
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* The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* Description:
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* Platform FAN defines/structures header file
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*/
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#ifndef __PDDF_FAN_DEFS_H__
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#define __PDDF_FAN_DEFS_H__
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#define MAX_NUM_FAN 6
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#define MAX_FAN_ATTRS 128
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#define ATTR_NAME_LEN 32
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#define STR_ATTR_SIZE 32
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#define DEV_TYPE_LEN 32
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/* Each client has this additional data
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*/
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typedef struct FAN_DATA_ATTR
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{
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char aname[ATTR_NAME_LEN]; // attr name, taken from enum fan_sysfs_attributes
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char devtype[DEV_TYPE_LEN]; // Type of FAN controller, i.e EMC2305, EMC2302, or FAN-CPLD etc
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char devname[DEV_TYPE_LEN]; // Name of the device from where this informatin is to be read
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uint32_t devaddr;
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uint32_t offset;
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uint32_t mask;
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uint32_t cmpval;
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uint32_t len;
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int mult; // Multiplication factor to get the actual data
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uint8_t is_divisor; // Check if the value is a divisor and mult is dividend
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void *access_data;
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}FAN_DATA_ATTR;
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typedef struct FAN_SYSFS_ATTR_DATA
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{
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int index;
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unsigned short mode;
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ssize_t (*show)(struct device *dev, struct device_attribute *da, char *buf);
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int (*pre_get)(void *client, FAN_DATA_ATTR *adata, void *data);
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int (*do_get)(void *client, FAN_DATA_ATTR *adata, void *data);
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int (*post_get)(void *client, FAN_DATA_ATTR *adata, void *data);
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ssize_t (*store)(struct device *dev, struct device_attribute *da, const char *buf, size_t count);
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int (*pre_set)(void *client, FAN_DATA_ATTR *adata, void *data);
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int (*do_set)(void *client, FAN_DATA_ATTR *adata, void *data);
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int (*post_set)(void *client, FAN_DATA_ATTR *adata, void *data);
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void *data;
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} FAN_SYSFS_ATTR_DATA;
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typedef struct FAN_SYSFS_ATTR_DATA_ENTRY
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{
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char name[ATTR_NAME_LEN];
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FAN_SYSFS_ATTR_DATA *a_ptr;
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} FAN_SYSFS_ATTR_DATA_ENTRY;
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/* FAN CLIENT DATA - PLATFORM DATA FOR FAN CLIENT */
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typedef struct FAN_DATA
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{
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int num_fantrays; // num of fans controlled by this fan client
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FAN_DATA_ATTR fan_attr;
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int len; // no of valid attributes for this fan client
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FAN_DATA_ATTR fan_attrs[MAX_FAN_ATTRS];
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}FAN_DATA;
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typedef struct FAN_PDATA
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{
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int num_fantrays; // num of fans controlled by this fan client
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int len; // no of valid attributes for this fan client
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FAN_DATA_ATTR *fan_attrs;
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}FAN_PDATA;
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extern int board_i2c_cpld_read(unsigned short cpld_addr, u8 reg);
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extern int board_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value);
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#endif
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