[as9712-32d] Add to support pddf platform

device/accton/x86_64-accton_as9716_32d-r0/pddf/pd-plugin.json

@@ -0,0 +1,66 @@
+{
+
+    "XCVR":
+    {
+        "xcvr_present":
+        {
+           "i2c":
+           {
+               "valmap-SFP28": {"1":true, "0":false },
+               "valmap-QSFP28": {"1":true, "0":false}
+           }
+        }
+    },
+    "PSU":
+    {
+        "psu_present": 
+        {
+            "i2c":
+            {
+                "valmap": { "1":true, "0":false }
+            }
+        },
+
+        "psu_power_good": 
+        {
+            "i2c":
+            {
+                "valmap": { "1": true, "0":false }
+            }
+        },
+
+        "psu_fan_dir":
+        {
+            "i2c":
+            {
+                "valmap": { "F2B":"EXHAUST", "B2F":"INTAKE" }
+            }
+        },
+
+        "PSU_FAN_MAX_SPEED":"18000"
+    },
+
+    "FAN":
+    {
+        "direction":
+        {
+            "i2c":
+            {
+                "valmap": {"1":"INTAKE", "0":"EXHAUST"}
+            }
+        },
+
+        "present":
+        {
+            "i2c":
+            {
+                "valmap": {"1":true, "0":false}
+            }
+        },
+
+        "duty_cycle_to_pwm": "lambda dc: ((dc*100)/625 - 1)",
+
+        "pwm_to_duty_cycle": "lambda pwm: (((pwm+1)*625)/100)"
+    }
+
+}

platform/broadcom/sonic-platform-modules-accton/as9716-32d/modules/Makefile

@@ -1,6 +1,7 @@
 ifneq ($(KERNELRELEASE),)
 obj-m:= accton_as9716_32d_cpld.o accton_as9716_32d_fan.o  \
-	    accton_as9716_32d_leds.o accton_as9716_32d_psu.o accton_i2c_psu.o
+	    accton_as9716_32d_leds.o accton_as9716_32d_psu.o accton_i2c_psu.o \
+	    pddf_custom_psu.o
 
 else
 ifeq (,$(KERNEL_SRC))

platform/broadcom/sonic-platform-modules-accton/as9716-32d/modules/pddf_custom_psu.c

@@ -0,0 +1,125 @@
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/sysfs.h>
+#include <linux/slab.h>
+#include <linux/dmi.h>
+#include "../../../../pddf/i2c/modules/include/pddf_psu_defs.h"
+
+ssize_t pddf_show_custom_psu_v_out(struct device *dev, struct device_attribute *da, char *buf);
+extern PSU_SYSFS_ATTR_DATA access_psu_v_out;
+
+static int two_complement_to_int(u16 data, u8 valid_bit, int mask)
+{
+	u16  valid_data  = data & mask;
+	bool is_negative = valid_data >> (valid_bit - 1);
+
+	return is_negative ? (-(((~valid_data) & mask) + 1)) : valid_data;
+}
+
+static u8 psu_get_vout_mode(struct i2c_client *client)
+{
+	u8 status = 0, retry = 10;
+	uint8_t offset = 0x20; // VOUT_MODE
+
+	while (retry) {
+		status = i2c_smbus_read_byte_data((struct i2c_client *)client, offset);
+		if (unlikely(status < 0)) {
+			msleep(60);
+			retry--;
+			continue;
+		}
+		break;
+	}
+
+	if (status < 0)
+	{
+		printk(KERN_ERR "%s: Get PSU Vout mode failed\n", __func__);
+		return 0;
+	}
+	else
+	{
+		/*printk(KERN_ERR "%s: vout_mode reg value 0x%x\n", __func__, status);*/
+		return status;
+	}
+}
+
+static u16 psu_get_v_out(struct i2c_client *client)
+{
+	u16 status = 0, retry = 10;
+	uint8_t offset = 0x8b; // READ_VOUT
+
+	while (retry) {
+		status = i2c_smbus_read_word_data((struct i2c_client *)client, offset);
+		if (unlikely(status < 0)) {
+			msleep(60);
+			retry--;
+			continue;
+		}
+		break;
+	}
+
+	if (status < 0)
+	{
+		printk(KERN_ERR "%s: Get PSU Vout failed\n", __func__);
+		return 0;
+	}
+	else
+	{
+		/*printk(KERN_ERR "%s: vout reg value 0x%x\n", __func__, status);*/
+		return status;
+	}
+}
+
+ssize_t pddf_show_custom_psu_v_out(struct device *dev, struct device_attribute *da, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+	int exponent, mantissa;
+	int multiplier = 1000;
+
+	u16 value = psu_get_v_out(client);
+	u8 vout_mode = psu_get_vout_mode(client);
+
+	if ((vout_mode >> 5) == 0)
+		exponent = two_complement_to_int(vout_mode & 0x1f, 5, 0x1f);
+	else
+	{
+		printk(KERN_ERR "%s: Only support linear mode for vout mode\n", __func__);
+		exponent = 0;
+	}
+	mantissa = value;
+	if (exponent >= 0)
+		return sprintf(buf, "%d\n", (mantissa << exponent) * multiplier);
+	else
+		return sprintf(buf, "%d\n", (mantissa * multiplier) / (1 << -exponent));
+}
+
+
+
+static int __init pddf_custom_psu_init(void)
+{
+	access_psu_v_out.show = pddf_show_custom_psu_v_out;
+	access_psu_v_out.do_get = NULL;
+	printk(KERN_ERR "pddf_custom_psu_init\n");
+	return 0;
+}
+
+static void __exit pddf_custom_psu_exit(void)
+{
+	printk(KERN_ERR "pddf_custom_psu_exit\n");
+	return;
+}
+
+MODULE_AUTHOR("Broadcom");
+MODULE_DESCRIPTION("pddf custom psu api");
+MODULE_LICENSE("GPL");
+
+module_init(pddf_custom_psu_init);
+module_exit(pddf_custom_psu_exit);
+

platform/broadcom/sonic-platform-modules-accton/as9716-32d/service/as9716-32d-pddf-platform-monitor.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Accton AS9716-32D Platform Monitoring service
+Before=pmon.service
+After=pddf-platform-init.service
+DefaultDependencies=no
+
+[Service]
+ExecStart=/usr/local/bin/accton_as9716_32d_pddf_monitor.py
+KillSignal=SIGKILL
+SuccessExitStatus=SIGKILL
+
+# Resource Limitations
+LimitCORE=infinity
+
+[Install]
+WantedBy=multi-user.target

platform/broadcom/sonic-platform-modules-accton/as9716-32d/service/pddf-platform-init.service

@@ -0,0 +1 @@
+../../../../pddf/i2c/service/pddf-platform-init.service

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/__init__.py

@@ -0,0 +1,3 @@
+# All the derived classes for PDDF
+__all__ = ["platform", "chassis", "sfp", "psu", "thermal"]
+import platform

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/chassis.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+
+#############################################################################
+# PDDF
+# Module contains an implementation of SONiC Chassis API
+#
+#############################################################################
+
+try:
+    from sonic_platform_pddf_base.pddf_chassis import PddfChassis
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+class Chassis(PddfChassis):
+    """
+    PDDF Platform-specific Chassis class
+    """
+
+    def __init__(self, pddf_data=None, pddf_plugin_data=None):
+        PddfChassis.__init__(self, pddf_data, pddf_plugin_data)
+
+    # Provide the functions/variables below for which implementation is to be overwritten

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/eeprom.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+
+try:
+    from sonic_platform_pddf_base.pddf_eeprom import PddfEeprom
+except ImportError, e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Eeprom(PddfEeprom):
+
+    def __init__(self, pddf_data=None, pddf_plugin_data=None):
+        PddfEeprom.__init__(self, pddf_data, pddf_plugin_data)
+
+    # Provide the functions/variables below for which implementation is to be overwritten

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/fan.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+
+
+try:
+    from sonic_platform_pddf_base.pddf_fan import PddfFan
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Fan(PddfFan):
+    """PDDF Platform-Specific Fan class"""
+
+    def __init__(self, tray_idx, fan_idx=0, pddf_data=None, pddf_plugin_data=None, is_psu_fan=False, psu_index=0):
+        # idx is 0-based 
+        PddfFan.__init__(self, tray_idx, fan_idx, pddf_data, pddf_plugin_data, is_psu_fan, psu_index)
+
+    # Provide the functions/variables below for which implementation is to be overwritten
+    # Since psu_fan airflow direction cant be read from sysfs, it is fixed as 'F2B' or 'intake'
+    def get_direction(self):
+        """
+        Retrieves the direction of fan
+
+        Returns:
+            A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
+            depending on fan direction
+        """
+        if self.is_psu_fan:
+            direction = self.FAN_DIRECTION_INTAKE
+
+        else:
+            idx = (self.fantray_index-1)*self.platform['num_fans_pertray'] + self.fan_index
+            attr = "fan" + str(idx) + "_direction"
+            output = self.pddf_obj.get_attr_name_output("FAN-CTRL", attr)
+            if not output:
+                return False
+
+            mode = output['mode']
+            val = output['status']
+
+            val = val.rstrip()
+            vmap = self.plugin_data['FAN']['direction'][mode]['valmap']
+            if val in vmap:
+                direction = vmap[val]
+            else:
+                direction = val
+
+        return direction
+

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/platform.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+
+#############################################################################
+# PDDF
+# Module contains an implementation of SONiC Platform Base API and
+# provides the platform information
+#
+#############################################################################
+
+
+try:
+    from sonic_platform_pddf_base.pddf_platform import PddfPlatform
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Platform(PddfPlatform):
+    """
+    PDDF Platform-Specific Platform Class
+    """
+
+    def __init__(self):
+        PddfPlatform.__init__(self)
+
+    # Provide the functions/variables below for which implementation is to be overwritten

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/psu.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+#
+
+
+try:
+    from sonic_platform_pddf_base.pddf_psu import PddfPsu
+except ImportError as e:
+    raise ImportError (str(e) + "- required module not found")
+
+
+class Psu(PddfPsu):
+    """PDDF Platform-Specific PSU class"""
+
+    PLATFORM_PSU_CAPACITY = 1200
+
+    def __init__(self, index, pddf_data=None, pddf_plugin_data=None):
+        PddfPsu.__init__(self, index, pddf_data, pddf_plugin_data)
+
+    # Provide the functions/variables below for which implementation is to be overwritten
+    def get_capacity(self):
+        """
+        Gets the capacity (maximum output power) of the PSU in watts
+
+        Returns:
+            An integer, the capacity of PSU
+        """
+        return (self.PLATFORM_PSU_CAPACITY)
+
+    def get_type(self):
+        """
+        Gets the type of the PSU
+        Returns:
+        A string, the type of PSU (AC/DC)
+        """
+        return "DC"
+    def get_input_current(self):
+        return 0
+

platform/broadcom/sonic-platform-modules-accton/as9716-32d/sonic_platform/sfp.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+try:
+    from sonic_platform_pddf_base.pddf_sfp import PddfSfp
+except ImportError, e:
+    raise ImportError (str(e) + "- required module not found")
+
+
+class Sfp(PddfSfp):
+    """
+    PDDF Platform-Specific Sfp class
+    """
+
+    def __init__(self, index, pddf_data=None, pddf_plugin_data=None):
+        PddfSfp.__init__(self, index, pddf_data, pddf_plugin_data)
+
+    # Provide the functions/variables below for which implementation is to be overwritten