[devices]: Add lpmode in sfputil.py for Accton AS5712-54X (#3094)
Signed-off-by: brandon_chuang <brandon_chuang@edge-core.com>
This commit is contained in:
parent
0b8c1a10e8
commit
5ec23dfd09
@ -5,6 +5,8 @@
|
|||||||
try:
|
try:
|
||||||
import time
|
import time
|
||||||
import os
|
import os
|
||||||
|
import string
|
||||||
|
from ctypes import create_string_buffer
|
||||||
from sonic_sfp.sfputilbase import SfpUtilBase
|
from sonic_sfp.sfputilbase import SfpUtilBase
|
||||||
except ImportError as e:
|
except ImportError as e:
|
||||||
raise ImportError("%s - required module not found" % str(e))
|
raise ImportError("%s - required module not found" % str(e))
|
||||||
@ -189,7 +191,7 @@ class SfpUtil(SfpUtilBase):
|
|||||||
qsfp_index = self.qsfp_sb_map[qsfp_index-1]
|
qsfp_index = self.qsfp_sb_map[qsfp_index-1]
|
||||||
return qsfp_start+qsfp_index
|
return qsfp_start+qsfp_index
|
||||||
|
|
||||||
def get_low_power_mode(self, port_num):
|
def get_low_power_mode_cpld(self, port_num):
|
||||||
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
||||||
return False
|
return False
|
||||||
|
|
||||||
@ -214,31 +216,62 @@ class SfpUtil(SfpUtilBase):
|
|||||||
|
|
||||||
return False
|
return False
|
||||||
|
|
||||||
def set_low_power_mode(self, port_num, lpmode):
|
def get_low_power_mode(self, port_num):
|
||||||
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
||||||
return False
|
return False
|
||||||
|
|
||||||
order = self.update_i2c_order()
|
|
||||||
lp_mode_path = self.BASE_CPLD3_PATH.format(order)
|
|
||||||
lp_mode_path = lp_mode_path + "module_lp_mode_"
|
|
||||||
q = self.qsfp_sb_remap(port_num)
|
|
||||||
lp_mode_path = lp_mode_path + str(q)
|
|
||||||
|
|
||||||
|
if not self.get_presence(port_num):
|
||||||
|
return self.get_low_power_mode_cpld(port_num)
|
||||||
|
|
||||||
try:
|
try:
|
||||||
reg_file = open(lp_mode_path, 'r+')
|
eeprom = None
|
||||||
except IOError as e:
|
|
||||||
print "Error: unable to open file: %s" % str(e)
|
eeprom = open(self.port_to_eeprom_mapping[port_num], mode="rb", buffering=0)
|
||||||
|
eeprom.seek(93)
|
||||||
|
lpmode = ord(eeprom.read(1))
|
||||||
|
|
||||||
|
if not (lpmode & 0x1): # 'Power override' bit is 0
|
||||||
|
return self.get_low_power_mode_cpld(port_num)
|
||||||
|
else:
|
||||||
|
if ((lpmode & 0x2) == 0x2):
|
||||||
|
return True # Low Power Mode if "Power set" bit is 1
|
||||||
|
else:
|
||||||
|
return False # High Power Mode if "Power set" bit is 0
|
||||||
|
except IOError as err:
|
||||||
|
print "Error: unable to open file: %s" % str(err)
|
||||||
|
return False
|
||||||
|
finally:
|
||||||
|
if eeprom is not None:
|
||||||
|
eeprom.close()
|
||||||
|
time.sleep(0.01)
|
||||||
|
|
||||||
|
def set_low_power_mode(self, port_num, lpmode):
|
||||||
|
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
||||||
return False
|
return False
|
||||||
|
|
||||||
if lpmode is True:
|
try:
|
||||||
reg_value = '1'
|
eeprom = None
|
||||||
else:
|
|
||||||
reg_value = '0'
|
|
||||||
|
|
||||||
reg_file.write(reg_value)
|
if not self.get_presence(port_num):
|
||||||
reg_file.close()
|
return False # Port is not present, unable to set the eeprom
|
||||||
|
|
||||||
return True
|
# Fill in write buffer
|
||||||
|
regval = 0x3 if lpmode else 0x1 # 0x3:Low Power Mode, 0x1:High Power Mode
|
||||||
|
buffer = create_string_buffer(1)
|
||||||
|
buffer[0] = chr(regval)
|
||||||
|
|
||||||
|
# Write to eeprom
|
||||||
|
eeprom = open(self.port_to_eeprom_mapping[port_num], mode="r+b", buffering=0)
|
||||||
|
eeprom.seek(93)
|
||||||
|
eeprom.write(buffer[0])
|
||||||
|
return True
|
||||||
|
except IOError as err:
|
||||||
|
print "Error: unable to open file: %s" % str(err)
|
||||||
|
return False
|
||||||
|
finally:
|
||||||
|
if eeprom is not None:
|
||||||
|
eeprom.close()
|
||||||
|
time.sleep(0.01)
|
||||||
|
|
||||||
def reset(self, port_num):
|
def reset(self, port_num):
|
||||||
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
if port_num < self.qsfp_port_start or port_num > self.qsfp_port_end:
|
||||||
|
Loading…
Reference in New Issue
Block a user