1#!/usr/bin/env python
2
3# TODO: openbmc/openbmc#2994 remove python 2 support
4try:  # python 2
5    import gobject
6except ImportError:  # python 3
7    from gi.repository import GObject as gobject
8import dbus
9import dbus.service
10import dbus.mainloop.glib
11import os
12from obmc.dbuslib.bindings import DbusProperties, DbusObjectManager, get_dbus
13import obmc.enums
14import obmc_system_config as System
15import obmc.inventory
16import obmc.system
17
18DBUS_NAME = 'org.openbmc.managers.System'
19OBJ_NAME = '/org/openbmc/managers/System'
20INTF_SENSOR = 'org.openbmc.SensorValue'
21
22class SystemManager(DbusProperties, DbusObjectManager):
23    def __init__(self, bus, obj_name):
24        super(SystemManager, self).__init__(
25            conn=bus,
26            object_path=obj_name)
27        self.bus = bus
28
29        # replace symbolic path in ID_LOOKUP
30        for category in System.ID_LOOKUP:
31            for key in System.ID_LOOKUP[category]:
32                val = System.ID_LOOKUP[category][key]
33                new_val = val.replace(
34                    "<inventory_root>", obmc.inventory.INVENTORY_ROOT)
35                System.ID_LOOKUP[category][key] = new_val
36
37        print("SystemManager Init Done")
38
39    def doObjectLookup(self, category, key):
40        obj_path = ""
41        intf_name = INTF_SENSOR
42        try:
43            obj_path = System.ID_LOOKUP[category][key]
44            parts = obj_path.split('/')
45            if (parts[3] != 'sensors'):
46                print ("ERROR SystemManager: SENSOR only supported type")
47                intf_name = ""
48        except Exception as e:
49            print ("ERROR SystemManager: "+str(e)+" not found in lookup")
50
51        return [obj_path, intf_name]
52
53    @dbus.service.method(DBUS_NAME, in_signature='ss', out_signature='(ss)')
54    def getObjectFromId(self, category, key):
55        return self.doObjectLookup(category, key)
56
57    @dbus.service.method(DBUS_NAME, in_signature='sy', out_signature='(ss)')
58    def getObjectFromByteId(self, category, key):
59        byte = int(key)
60        return self.doObjectLookup(category, byte)
61
62    @dbus.service.method(DBUS_NAME, in_signature='s', out_signature='sis')
63    def gpioInit(self, name):
64        gpio_path = ''
65        gpio_num = -1
66        r = ['', gpio_num, '']
67        if name not in System.GPIO_CONFIG:
68            # TODO: Better error handling
69            msg = "ERROR: "+name+" not found in GPIO config table"
70            print(msg)
71            raise Exception(msg)
72        else:
73
74            gpio_num = -1
75            gpio = System.GPIO_CONFIG[name]
76            if 'gpio_num' in System.GPIO_CONFIG[name]:
77                gpio_num = gpio['gpio_num']
78            else:
79                if 'gpio_pin' in System.GPIO_CONFIG[name]:
80                    gpio_num = obmc.system.convertGpio(gpio['gpio_pin'])
81                else:
82                    msg = "ERROR: SystemManager - GPIO lookup failed for "+name
83                    print(msg)
84                    raise Exception(msg)
85
86            if (gpio_num != -1):
87                r = [obmc.enums.GPIO_DEV, gpio_num, gpio['direction']]
88        return r
89
90    @dbus.service.method(DBUS_NAME, in_signature='',
91                         out_signature='ssa(sb)a(sb)a(sbb)ssssa(sb)')
92    def getGpioConfiguration(self):
93        power_config = System.GPIO_CONFIGS.get('power_config', {})
94        power_good_in = power_config.get('power_good_in', '')
95        latch_out = power_config.get('latch_out', '')
96        power_up_outs = power_config.get('power_up_outs', [])
97        reset_outs = power_config.get('reset_outs', [])
98        pci_reset_outs = power_config.get('pci_reset_outs', [])
99        hostctl_config = System.GPIO_CONFIGS.get('hostctl_config', {})
100        fsi_data = hostctl_config.get('fsi_data', '')
101        fsi_clk = hostctl_config.get('fsi_clk', '')
102        fsi_enable = hostctl_config.get('fsi_enable', '')
103        cronus_sel = hostctl_config.get('cronus_sel', '')
104        optionals = hostctl_config.get('optionals', [])
105        r = [power_good_in, latch_out, power_up_outs, reset_outs,
106             pci_reset_outs, fsi_data, fsi_clk, fsi_enable, cronus_sel,
107             optionals]
108        print("Power GPIO config: " + str(r))
109        return r
110
111
112if __name__ == '__main__':
113    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
114    bus = get_dbus()
115    obj = SystemManager(bus, OBJ_NAME)
116    mainloop = gobject.MainLoop()
117    obj.unmask_signals()
118    name = dbus.service.BusName(DBUS_NAME, bus)
119
120    print("Running SystemManager")
121    mainloop.run()
122
123# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
124