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Commit 4c013153 authored by Yana Esina's avatar Yana Esina Committed by David S. Miller
Browse files

net: aquantia: implement hwmon api for chip temperature 



Added support for hwmon api to fetch out chip temperature

Signed-off-by: default avatarYana Esina <yana.esina@aquantia.com>
Signed-off-by: default avatarNikita Danilov <nikita.danilov@aquantia.com>
Signed-off-by: default avatarIgor Russkikh <igor.russkikh@aquantia.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8f894011

drivers/net/ethernet/aquantia/atlantic/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ atlantic-objs := aq_main.o \ 
	aq_ring.o \

	aq_hw_utils.o \

	aq_ethtool.o \

	aq_drvinfo.o \

	aq_filters.o \

	hw_atl/hw_atl_a0.o \

	hw_atl/hw_atl_b0.o \

drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c

0 → 100644
+125 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/* Copyright (C) 2014-2019 aQuantia Corporation. */



/* File aq_drvinfo.c: Definition of common code for firmware info in sys.*/



#include <linux/init.h>

#include <linux/kobject.h>

#include <linux/module.h>

#include <linux/stat.h>

#include <linux/string.h>

#include <linux/hwmon.h>

#include <linux/uaccess.h>



#include "aq_drvinfo.h"



static int aq_hwmon_read(struct device *dev, enum hwmon_sensor_types type,

			 u32 attr, int channel, long *value)

{

	struct aq_nic_s *aq_nic = dev_get_drvdata(dev);

	int temp;

	int err;



	if (!aq_nic)

		return -EIO;



	if (type != hwmon_temp)

		return -EOPNOTSUPP;



	if (!aq_nic->aq_fw_ops->get_phy_temp)

		return -EOPNOTSUPP;



	switch (attr) {

	case hwmon_temp_input:

		err = aq_nic->aq_fw_ops->get_phy_temp(aq_nic->aq_hw, &temp);

		*value = temp;

		return err;

	default:

		return -EOPNOTSUPP;

	}

}



static int aq_hwmon_read_string(struct device *dev,

				enum hwmon_sensor_types type,

				u32 attr, int channel, const char **str)

{

	struct aq_nic_s *aq_nic = dev_get_drvdata(dev);



	if (!aq_nic)

		return -EIO;



	if (type != hwmon_temp)

		return -EOPNOTSUPP;



	if (!aq_nic->aq_fw_ops->get_phy_temp)

		return -EOPNOTSUPP;



	switch (attr) {

	case hwmon_temp_label:

		*str = "PHY Temperature";

		return 0;

	default:

		return -EOPNOTSUPP;

	}

}



static umode_t aq_hwmon_is_visible(const void *data,

				   enum hwmon_sensor_types type,

				   u32 attr, int channel)

{

	if (type != hwmon_temp)

		return 0;



	switch (attr) {

	case hwmon_temp_input:

	case hwmon_temp_label:

		return 0444;

	default:

		return 0;

	}

}



static const struct hwmon_ops aq_hwmon_ops = {

	.is_visible = aq_hwmon_is_visible,

	.read = aq_hwmon_read,

	.read_string = aq_hwmon_read_string,

};



static u32 aq_hwmon_temp_config[] = {

	HWMON_T_INPUT | HWMON_T_LABEL,

	0,

};



static const struct hwmon_channel_info aq_hwmon_temp = {

	.type = hwmon_temp,

	.config = aq_hwmon_temp_config,

};



static const struct hwmon_channel_info *aq_hwmon_info[] = {

	&aq_hwmon_temp,

	NULL,

};



static const struct hwmon_chip_info aq_hwmon_chip_info = {

	.ops = &aq_hwmon_ops,

	.info = aq_hwmon_info,

};



int aq_drvinfo_init(struct net_device *ndev)

{

	struct aq_nic_s *aq_nic = netdev_priv(ndev);

	struct device *dev = &aq_nic->pdev->dev;

	struct device *hwmon_dev;

	int err = 0;



	hwmon_dev = devm_hwmon_device_register_with_info(dev,

							 ndev->name,

							 aq_nic,

							 &aq_hwmon_chip_info,

							 NULL);



	if (IS_ERR(hwmon_dev))

		err = PTR_ERR(hwmon_dev);



	return err;

}

drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h

0 → 100644
+15 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-or-later */

/* Copyright (C) 2014-2017 aQuantia Corporation. */



/* File aq_drvinfo.h: Declaration of common code for firmware info in sys.*/



#ifndef AQ_DRVINFO_H

#define AQ_DRVINFO_H



#include "aq_nic.h"

#include "aq_hw.h"

#include "hw_atl/hw_atl_utils.h"



int aq_drvinfo_init(struct net_device *ndev);



#endif /* AQ_DRVINFO_H */

drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c

+3 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include "hw_atl/hw_atl_a0.h"

#include "hw_atl/hw_atl_b0.h"

#include "aq_filters.h"

#include "aq_drvinfo.h"



static const struct pci_device_id aq_pci_tbl[] = {

	{ PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_0001), },
@@ -289,6 +290,8 @@ static int aq_pci_probe(struct pci_dev *pdev, 
	if (err < 0)

		goto err_register;



	aq_drvinfo_init(ndev);



	return 0;



err_register: