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sonic-buildimage/platform/broadcom/sonic-platform-modules-accton/as6712-32x/classes/fanutil.py
Roy Lee 7f76d3bf74 [platform]Accton, add platform as6712-32x. (#2178) 
* [platform] Add 6712 dpkg on building.
Signed-off-by: roy_lee <roy_lee@accton.com>

* [platform] remove scache_filename for it failed the bcm checker.
Signed-off-by: roy_lee <roy_lee@accton.com>

* [plaform] add platform/device as6712-32x.
Signed-off-by: roy_lee <roy_lee@accton.com>

* [platform] fix error on private data reference at cpld.c.
Signed-off-by: roy_lee <roy_lee@accton.com>
2018-10-26 17:10:47 -07:00

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#!/usr/bin/env python
#
# Copyright (C) 2017 Accton Technology Corporation
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------
# HISTORY:
# mm/dd/yyyy (A.D.)
# 11/13/2017: Polly Hsu, Create
# 1/10/2018: Jostar modify for as7716_32
# 3/32/2018: Roy Lee modify for as7326_56x
# ------------------------------------------------------------------
try:
import time
import logging
from collections import namedtuple
except ImportError as e:
raise ImportError('%s - required module not found' % str(e))
class FanUtil(object):
"""Platform-specific FanUtil class"""
FAN_NUM_ON_MAIN_BROAD = 5
FAN_NUM_1_IDX = 1
FAN_NUM_2_IDX = 2
FAN_NUM_3_IDX = 3
FAN_NUM_4_IDX = 4
FAN_NUM_5_IDX = 5
FAN_NODE_NUM_OF_MAP = 2
FAN_NODE_FAULT_IDX_OF_MAP = 1
#FAN_NODE_SPEED_IDX_OF_MAP = 2
FAN_NODE_DIR_IDX_OF_MAP = 2
#FAN_NODE_DUTY_IDX_OF_MAP = 4
#FANR_NODE_FAULT_IDX_OF_MAP = 5
#BASE_VAL_PATH = '/sys/bus/i2c/devices/11-0066/{0}'
#FAN_DUTY_PATH = '/sys/bus/i2c/devices/11-0066/fan_duty_cycle_percentage'
BASE_VAL_PATH = '/sys/devices/platform/as6712_32x_fan/{0}'
FAN_DUTY_PATH = '/sys/devices/platform/as6712_32x_fan/fan1_duty_cycle_percentage'
#logfile = ''
#loglevel = logging.INFO
""" Dictionary where
key1 = fan id index (integer) starting from 1
key2 = fan node index (interger) starting from 1
value = path to fan device file (string) """
_fan_to_device_path_mapping = {}
#fan1_direction
#fan1_fault
#fan1_present
#(FAN_NUM_2_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan2_duty_cycle_percentage',
_fan_to_device_node_mapping = {
(FAN_NUM_1_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan1_fault',
(FAN_NUM_1_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan1_direction',
(FAN_NUM_2_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan2_fault',
(FAN_NUM_2_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan2_direction',
(FAN_NUM_3_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan3_fault',
(FAN_NUM_3_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan3_direction',
(FAN_NUM_4_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan4_fault',
(FAN_NUM_4_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan4_direction',
(FAN_NUM_5_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan5_fault',
(FAN_NUM_5_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan5_direction',
}
def _get_fan_to_device_node(self, fan_num, node_num):
return self._fan_to_device_node_mapping[(fan_num, node_num)]
def _get_fan_node_val(self, fan_num, node_num):
if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD:
logging.debug('GET. Parameter error. fan_num:%d', fan_num)
return None
if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP:
logging.debug('GET. Parameter error. node_num:%d', node_num)
return None
device_path = self.get_fan_to_device_path(fan_num, node_num)
try:
val_file = open(device_path, 'r')
except IOError as e:
logging.error('GET. unable to open file: %s', str(e))
return None
content = val_file.readline().rstrip()
if content == '':
logging.debug('GET. content is NULL. device_path:%s', device_path)
return None
try:
val_file.close()
except:
logging.debug('GET. unable to close file. device_path:%s', device_path)
return None
return int(content)
def _set_fan_node_val(self, fan_num, node_num, val):
if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD:
logging.debug('GET. Parameter error. fan_num:%d', fan_num)
return None
if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP:
logging.debug('GET. Parameter error. node_num:%d', node_num)
return None
content = str(val)
if content == '':
logging.debug('GET. content is NULL. device_path:%s', device_path)
return None
device_path = self.get_fan_to_device_path(fan_num, node_num)
try:
val_file = open(device_path, 'w')
except IOError as e:
logging.error('GET. unable to open file: %s', str(e))
return None
val_file.write(content)
try:
val_file.close()
except:
logging.debug('GET. unable to close file. device_path:%s', device_path)
return None
return True
def __init__(self):
fan_path = self.BASE_VAL_PATH
for fan_num in range(self.FAN_NUM_1_IDX, self.FAN_NUM_ON_MAIN_BROAD+1):
for node_num in range(self.FAN_NODE_FAULT_IDX_OF_MAP, self.FAN_NODE_NUM_OF_MAP+1):
self._fan_to_device_path_mapping[(fan_num, node_num)] = fan_path.format(
self._fan_to_device_node_mapping[(fan_num, node_num)])
def get_num_fans(self):
return self.FAN_NUM_ON_MAIN_BROAD
def get_idx_fan_start(self):
return self.FAN_NUM_1_IDX
def get_num_nodes(self):
return self.FAN_NODE_NUM_OF_MAP
def get_idx_node_start(self):
return self.FAN_NODE_FAULT_IDX_OF_MAP
def get_size_node_map(self):
return len(self._fan_to_device_node_mapping)
def get_size_path_map(self):
return len(self._fan_to_device_path_mapping)
def get_fan_to_device_path(self, fan_num, node_num):
return self._fan_to_device_path_mapping[(fan_num, node_num)]
def get_fan_fault(self, fan_num):
return self._get_fan_node_val(fan_num, self.FAN_NODE_FAULT_IDX_OF_MAP)
#def get_fan_speed(self, fan_num):
# return self._get_fan_node_val(fan_num, self.FAN_NODE_SPEED_IDX_OF_MAP)
def get_fan_dir(self, fan_num):
return self._get_fan_node_val(fan_num, self.FAN_NODE_DIR_IDX_OF_MAP)
def get_fan_duty_cycle(self):
#duty_path = self.FAN_DUTY_PATH
try:
val_file = open(self.FAN_DUTY_PATH)
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
content = val_file.readline().rstrip()
val_file.close()
return int(content)
#self._get_fan_node_val(fan_num, self.FAN_NODE_DUTY_IDX_OF_MAP)
#static u32 reg_val_to_duty_cycle(u8 reg_val)
#{
# reg_val &= FAN_DUTY_CYCLE_REG_MASK;
# return ((u32)(reg_val+1) * 625 + 75)/ 100;
#}
#
def set_fan_duty_cycle(self, val):
try:
fan_file = open(self.FAN_DUTY_PATH, 'r+')
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
#val = ((val + 1 ) * 625 +75 ) / 100
fan_file.write(str(val))
fan_file.close()
return True
#def get_fanr_fault(self, fan_num):
# return self._get_fan_node_val(fan_num, self.FANR_NODE_FAULT_IDX_OF_MAP)
def get_fanr_speed(self, fan_num):
return self._get_fan_node_val(fan_num, self.FANR_NODE_SPEED_IDX_OF_MAP)
def get_fan_status(self, fan_num):
if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD:
logging.debug('GET. Parameter error. fan_num, %d', fan_num)
return None
if self.get_fan_fault(fan_num) is not None and self.get_fan_fault(fan_num) > 0:
logging.debug('GET. FAN fault. fan_num, %d', fan_num)
return False
#if self.get_fanr_fault(fan_num) is not None and self.get_fanr_fault(fan_num) > 0:
# logging.debug('GET. FANR fault. fan_num, %d', fan_num)
# return False
return True
#def main():
# fan = FanUtil()
#
# print 'get_size_node_map : %d' % fan.get_size_node_map()
# print 'get_size_path_map : %d' % fan.get_size_path_map()
# for x in range(fan.get_idx_fan_start(), fan.get_num_fans()+1):
# for y in range(fan.get_idx_node_start(), fan.get_num_nodes()+1):
# print fan.get_fan_to_device_path(x, y)
#
#if __name__ == '__main__':
# main()
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