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/**
* Copyright © 2016 Google Inc.
* Copyright © 2016 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gpio_configs.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
gboolean read_gpios(GDBusConnection *connection, GpioConfigs *gpios)
{
GDBusProxy *proxy;
GError *error = NULL;
GVariant *value;
GVariantIter *power_up_outs_iter;
GVariantIter *reset_outs_iter;
GVariantIter *pci_reset_outs_iter;
gchar *power_up_out_name;
gchar *reset_out_name;
gchar *pci_reset_out_name;
gboolean power_up_polarity;
gboolean reset_out_polarity;
gboolean pci_reset_out_polarity;
gboolean pci_reset_out_hold;
GVariantIter *optionals_iter;
gchar *optional_name;
gboolean optional_polarity;
int i;
proxy = g_dbus_proxy_new_sync(connection,
G_DBUS_PROXY_FLAGS_NONE,
NULL, /* GDBusInterfaceInfo */
"org.openbmc.managers.System", /* name */
"/org/openbmc/managers/System", /* object path */
"org.openbmc.managers.System", /* interface */
NULL, /* GCancellable */
&error);
if(error != NULL) {
fprintf(stderr, "Unable to create proxy: %s\n", error->message);
g_error_free(error);
return FALSE;
}
value = g_dbus_proxy_call_sync(proxy,
"getGpioConfiguration",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if(error != NULL) {
fprintf(stderr, "Power GPIO: call to getGpioConfiguration failed: %s\n",
error->message);
g_error_free(error);
return FALSE;
}
g_assert(value != NULL);
memset(gpios, 0, sizeof(*gpios));
g_variant_get(
value, "(&s&sa(sb)a(sb)a(sbb)&s&s&s&sa(sb))",
&gpios->power_gpio.power_good_in.name, &gpios->power_gpio.latch_out.name,
&power_up_outs_iter, &reset_outs_iter, &pci_reset_outs_iter,
&gpios->hostctl_gpio.fsi_data.name, &gpios->hostctl_gpio.fsi_clk.name,
&gpios->hostctl_gpio.fsi_enable.name, &gpios->hostctl_gpio.cronus_sel.name,
&optionals_iter);
g_print("Power GPIO latch output: %s\n", gpios->power_gpio.latch_out.name);
if(*gpios->power_gpio.latch_out.name != '\0') { /* latch is optional */
gpios->power_gpio.latch_out.name = strdup(gpios->power_gpio.latch_out.name);
}
else {
gpios->power_gpio.latch_out.name = NULL;
}
g_print("Power GPIO power good input: %s\n", gpios->power_gpio.power_good_in.name);
gpios->power_gpio.power_good_in.name = g_strdup(gpios->power_gpio.power_good_in.name);
gpios->power_gpio.num_power_up_outs = g_variant_iter_n_children(
power_up_outs_iter);
g_print("Power GPIO %zu power_up outputs\n",
gpios->power_gpio.num_power_up_outs);
gpios->power_gpio.power_up_outs = g_malloc0_n(gpios->power_gpio.num_power_up_outs,
sizeof(GPIO));
gpios->power_gpio.power_up_pols = g_malloc0_n(gpios->power_gpio.num_power_up_outs,
sizeof(gboolean));
for(i = 0; g_variant_iter_next(power_up_outs_iter, "(&sb)",
&power_up_out_name, &power_up_polarity);
i++) {
g_print("Power GPIO power_up[%d] = %s active %s\n", i,
power_up_out_name, power_up_polarity ? "HIGH" : "LOW");
gpios->power_gpio.power_up_outs[i].name = g_strdup(power_up_out_name);
gpios->power_gpio.power_up_pols[i] = power_up_polarity;
}
gpios->power_gpio.num_reset_outs = g_variant_iter_n_children(reset_outs_iter);
g_print("Power GPIO %zu reset outputs\n", gpios->power_gpio.num_reset_outs);
gpios->power_gpio.reset_outs = g_malloc0_n(gpios->power_gpio.num_reset_outs, sizeof(GPIO));
gpios->power_gpio.reset_pols = g_malloc0_n(gpios->power_gpio.num_reset_outs,
sizeof(gboolean));
for(i = 0; g_variant_iter_next(reset_outs_iter, "(&sb)", &reset_out_name,
&reset_out_polarity); i++) {
g_print("Power GPIO reset[%d] = %s active %s\n", i, reset_out_name,
reset_out_polarity ? "HIGH" : "LOW");
gpios->power_gpio.reset_outs[i].name = g_strdup(reset_out_name);
gpios->power_gpio.reset_pols[i] = reset_out_polarity;
}
gpios->power_gpio.num_pci_reset_outs = g_variant_iter_n_children(pci_reset_outs_iter);
g_print("Power GPIO %d pci reset outputs\n", gpios->power_gpio.num_pci_reset_outs);
gpios->power_gpio.pci_reset_outs = g_malloc0_n(gpios->power_gpio.num_pci_reset_outs,
sizeof(GPIO));
gpios->power_gpio.pci_reset_pols = g_malloc0_n(gpios->power_gpio.num_pci_reset_outs,
sizeof(gboolean));
gpios->power_gpio.pci_reset_holds = g_malloc0_n(gpios->power_gpio.num_pci_reset_outs,
sizeof(gboolean));
for(i = 0; g_variant_iter_next(pci_reset_outs_iter, "(&sbb)", &pci_reset_out_name,
&pci_reset_out_polarity, &pci_reset_out_hold); i++) {
g_print("Power GPIO pci reset[%d] = %s active %s, hold - %s\n", i,
pci_reset_out_name,
pci_reset_out_polarity ? "HIGH" : "LOW",
pci_reset_out_hold ? "Yes" : "No");
gpios->power_gpio.pci_reset_outs[i].name = g_strdup(pci_reset_out_name);
gpios->power_gpio.pci_reset_pols[i] = pci_reset_out_polarity;
gpios->power_gpio.pci_reset_holds[i] = pci_reset_out_hold;
}
g_print("FSI DATA GPIO: %s\n", gpios->hostctl_gpio.fsi_data.name);
gpios->hostctl_gpio.fsi_data.name = strdup(gpios->hostctl_gpio.fsi_data.name);
g_print("FSI CLK GPIO: %s\n", gpios->hostctl_gpio.fsi_clk.name);
gpios->hostctl_gpio.fsi_clk.name = strdup(gpios->hostctl_gpio.fsi_clk.name);
g_print("FSI ENABLE GPIO: %s\n", gpios->hostctl_gpio.fsi_enable.name);
gpios->hostctl_gpio.fsi_enable.name = strdup(gpios->hostctl_gpio.fsi_enable.name);
g_print("CRONUS SEL GPIO: %s\n", gpios->hostctl_gpio.cronus_sel.name);
gpios->hostctl_gpio.cronus_sel.name = strdup(gpios->hostctl_gpio.cronus_sel.name);
gpios->hostctl_gpio.num_optionals = g_variant_iter_n_children(optionals_iter);
g_print("Hostctl GPIO optionals: %zu\n", gpios->hostctl_gpio.num_optionals);
gpios->hostctl_gpio.optionals = g_malloc0_n(gpios->hostctl_gpio.num_optionals, sizeof(GPIO));
gpios->hostctl_gpio.optional_pols = g_malloc0_n(gpios->hostctl_gpio.num_optionals, sizeof(gboolean));
for (i = 0; g_variant_iter_next(optionals_iter, "(&sb)", &optional_name, &optional_polarity); ++i) {
g_print("Hostctl optional GPIO[%d] = %s active %s\n", i, optional_name, optional_polarity ? "HIGH" : "LOW");
gpios->hostctl_gpio.optionals[i].name = g_strdup(optional_name);
gpios->hostctl_gpio.optional_pols[i] = optional_polarity;
}
g_variant_iter_free(power_up_outs_iter);
g_variant_iter_free(reset_outs_iter);
g_variant_iter_free(pci_reset_outs_iter);
g_variant_iter_free(optionals_iter);
g_variant_unref(value);
return TRUE;
}
void free_gpios(GpioConfigs *gpios) {
int i;
g_free(gpios->power_gpio.latch_out.name);
g_free(gpios->power_gpio.power_good_in.name);
for(i = 0; i < gpios->power_gpio.num_power_up_outs; i++) {
g_free(gpios->power_gpio.power_up_outs[i].name);
}
g_free(gpios->power_gpio.power_up_outs);
g_free(gpios->power_gpio.power_up_pols);
for(i = 0; i < gpios->power_gpio.num_reset_outs; i++) {
g_free(gpios->power_gpio.reset_outs[i].name);
}
g_free(gpios->power_gpio.reset_outs);
g_free(gpios->power_gpio.reset_pols);
for(i = 0; i < gpios->power_gpio.num_pci_reset_outs; i++) {
g_free(gpios->power_gpio.pci_reset_outs[i].name);
}
g_free(gpios->power_gpio.pci_reset_outs);
g_free(gpios->power_gpio.pci_reset_pols);
g_free(gpios->power_gpio.pci_reset_holds);
g_free(gpios->hostctl_gpio.fsi_data.name);
g_free(gpios->hostctl_gpio.fsi_clk.name);
g_free(gpios->hostctl_gpio.fsi_enable.name);
g_free(gpios->hostctl_gpio.cronus_sel.name);
for (i = 0; i < gpios->hostctl_gpio.num_optionals; ++i) {
g_free(gpios->hostctl_gpio.optionals[i].name);
}
}
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