Norman James | 26072c0 | 2015-08-25 07:14:29 -0500 | [diff] [blame] | 1 | #include <stdint.h>
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| 2 | #include <stdio.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <string.h>
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| 5 | #include <fcntl.h>
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| 6 | #include <unistd.h>
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| 7 | #include <sys/stat.h>
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| 8 | #include <sys/mman.h>
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 9 | #include "interfaces/power_control.h"
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 10 | #include "objects/openbmc_utilities.h"
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 11 |
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| 12 | /* ---------------------------------------------------------------------------------------------------- */
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Norman James | 26072c0 | 2015-08-25 07:14:29 -0500 | [diff] [blame] | 13 | static const gchar* dbus_object_path = "/org/openbmc/control/Power";
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| 14 | static const gchar* dbus_name = "org.openbmc.control.Power";
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| 15 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 16 | GPIO power_pin = (GPIO){ "POWER_PIN" };
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| 17 | GPIO pgood = (GPIO){ "PGOOD" };
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 18 |
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| 19 | static GDBusObjectManagerServer *manager = NULL;
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 20 | static ControlPower *control_power = NULL;
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 21 |
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| 22 | static gboolean
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 23 | on_set_power_state (ControlPower *pwr,
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 24 | GDBusMethodInvocation *invocation,
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| 25 | guint state,
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| 26 | gpointer user_data)
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| 27 | {
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 28 | if (state > 1)
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| 29 | {
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| 30 | g_dbus_method_invocation_return_dbus_error (invocation,
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| 31 | "org.openbmc.ControlPower.Error.Failed",
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| 32 | "Invalid power state");
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| 33 | return TRUE;
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| 34 | }
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| 35 | if (state == control_power_get_state(pwr))
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| 36 | {
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| 37 | g_dbus_method_invocation_return_dbus_error (invocation,
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| 38 | "org.openbmc.ControlPower.Error.Failed",
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| 39 | "Power Control is already at requested state");
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| 40 | return TRUE;
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| 41 | }
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 42 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 43 | //go ahead and return from method call
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| 44 | control_power_complete_set_power_state(pwr,invocation);
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| 45 |
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| 46 | g_print("Set power state: %d\n",state);
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| 47 | gpio_open(&power_pin);
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| 48 | gpio_write(&power_pin,!state);
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| 49 | gpio_close(&power_pin);
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| 50 |
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| 51 | control_power_set_state(pwr,state);
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| 52 | return TRUE;
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 53 | }
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| 54 |
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| 55 | static gboolean
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 56 | on_get_power_state (ControlPower *pwr,
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 57 | GDBusMethodInvocation *invocation,
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| 58 | gpointer user_data)
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| 59 | {
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 60 | guint pgood = control_power_get_pgood(pwr);
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| 61 | control_power_complete_get_power_state(pwr,invocation,pgood);
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| 62 | return TRUE;
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 63 | }
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| 64 |
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| 65 | static void
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| 66 | on_bus_acquired (GDBusConnection *connection,
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| 67 | const gchar *name,
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| 68 | gpointer user_data)
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| 69 | {
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 70 | ObjectSkeleton *object;
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| 71 | g_print ("Acquired a message bus connection: %s\n",name);
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 72 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 73 | manager = g_dbus_object_manager_server_new (dbus_object_path);
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| 74 | gchar *s;
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| 75 | s = g_strdup_printf ("%s/0",dbus_object_path);
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| 76 | object = object_skeleton_new (s);
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| 77 | g_free (s);
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 78 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 79 | control_power = control_power_skeleton_new ();
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| 80 | object_skeleton_set_control_power (object, control_power);
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| 81 | g_object_unref (control_power);
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 82 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 83 | //define method callbacks here
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| 84 | g_signal_connect (control_power,
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 85 | "handle-set-power-state",
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| 86 | G_CALLBACK (on_set_power_state),
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| 87 | NULL); /* user_data */
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| 88 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 89 | g_signal_connect (control_power,
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 90 | "handle-get-power-state",
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| 91 | G_CALLBACK (on_get_power_state),
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| 92 | NULL); /* user_data */
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| 93 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 94 | /* Export the object (@manager takes its own reference to @object) */
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| 95 | g_dbus_object_manager_server_export (manager, G_DBUS_OBJECT_SKELETON (object));
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| 96 | g_object_unref (object);
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 97 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 98 | /* Export all objects */
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| 99 | g_dbus_object_manager_server_set_connection (manager, connection);
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| 100 |
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| 101 | // get gpio device paths
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| 102 | gpio_init(connection,&power_pin);
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| 103 | gpio_init(connection,&pgood);
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| 104 | gpio_open(&pgood);
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 105 | }
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| 106 |
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| 107 | static void
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| 108 | on_name_acquired (GDBusConnection *connection,
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| 109 | const gchar *name,
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| 110 | gpointer user_data)
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| 111 | {
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| 112 | g_print ("Acquired the name %s\n", name);
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| 113 | }
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| 114 |
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| 115 | static void
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| 116 | on_name_lost (GDBusConnection *connection,
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| 117 | const gchar *name,
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| 118 | gpointer user_data)
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| 119 | {
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| 120 | g_print ("Lost the name %s\n", name);
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| 121 | }
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| 122 |
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| 123 | static gboolean
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| 124 | poll_pgood()
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| 125 | {
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 126 | if (pgood.fd >= 0)
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| 127 | {
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| 128 | uint8_t gpio = gpio_read(&pgood);
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 129 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 130 | //if changed, set property and emit signal
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| 131 | if (gpio != control_power_get_pgood(control_power))
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| 132 | {
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| 133 | control_power_set_pgood(control_power,gpio);
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| 134 | if (gpio==0)
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| 135 | {
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| 136 | control_power_emit_power_lost(control_power);
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| 137 | }
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| 138 | else
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| 139 | {
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| 140 | control_power_emit_power_good(control_power);
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| 141 | }
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| 142 | }
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| 143 | }
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| 144 | else
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| 145 | {
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| 146 | //TODO: error handling
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| 147 | printf("Unable to read pgood\n");
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| 148 | }
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| 149 | return TRUE;
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 150 | }
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| 151 |
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Norman James | 3f97c5d | 2015-08-26 17:44:14 -0500 | [diff] [blame^] | 152 |
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| 153 |
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| 154 | /*----------------------------------------------------------------*/
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| 155 | /* Main Event Loop */
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| 156 |
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 157 | gint
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| 158 | main (gint argc, gchar *argv[])
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| 159 | {
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| 160 | GMainLoop *loop;
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| 161 |
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| 162 | guint id;
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| 163 | //g_type_init ();
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| 164 | loop = g_main_loop_new (NULL, FALSE);
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| 165 |
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| 166 | id = g_bus_own_name (G_BUS_TYPE_SESSION,
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Norman James | 26072c0 | 2015-08-25 07:14:29 -0500 | [diff] [blame] | 167 | dbus_name,
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Norman James | e276510 | 2015-08-19 22:00:55 -0500 | [diff] [blame] | 168 | G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
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| 169 | G_BUS_NAME_OWNER_FLAGS_REPLACE,
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| 170 | on_bus_acquired,
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| 171 | on_name_acquired,
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| 172 | on_name_lost,
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| 173 | loop,
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| 174 | NULL);
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| 175 |
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| 176 | g_timeout_add(5000, poll_pgood, NULL);
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| 177 | g_main_loop_run (loop);
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| 178 |
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| 179 | g_bus_unown_name (id);
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| 180 | g_main_loop_unref (loop);
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| 181 | return 0;
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| 182 | }
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