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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Copyright (C) 2020 Aleksander Morgado <aleksander@aleksander.es>
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include "ModemManager.h"
#include "mm-log.h"
#include "mm-broadband-modem-qmi-qcom-soc.h"
G_DEFINE_TYPE (MMBroadbandModemQmiQcomSoc, mm_broadband_modem_qmi_qcom_soc, MM_TYPE_BROADBAND_MODEM_QMI)
/*****************************************************************************/
static const QmiSioPort sio_port_per_port_number[] = {
QMI_SIO_PORT_A2_MUX_RMNET0,
QMI_SIO_PORT_A2_MUX_RMNET1,
QMI_SIO_PORT_A2_MUX_RMNET2,
QMI_SIO_PORT_A2_MUX_RMNET3,
QMI_SIO_PORT_A2_MUX_RMNET4,
QMI_SIO_PORT_A2_MUX_RMNET5,
QMI_SIO_PORT_A2_MUX_RMNET6,
QMI_SIO_PORT_A2_MUX_RMNET7
};
static MMPortQmi *
peek_port_qmi_for_data_bam_dmux (MMBroadbandModemQmi *self,
MMPort *data,
QmiSioPort *out_sio_port,
GError **error)
{
GList *rpmsg_qmi_ports;
MMPortQmi *found = NULL;
MMKernelDevice *net_port;
gint net_port_number;
net_port = mm_port_peek_kernel_device (data);
/* The dev_port notified by the bam-dmux driver indicates which SIO port we should be using */
net_port_number = mm_kernel_device_get_attribute_as_int (net_port, "dev_port");
if (net_port_number < 0 || net_port_number >= (gint) G_N_ELEMENTS (sio_port_per_port_number)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_NOT_FOUND,
"Couldn't find SIO port number for 'net/%s'",
mm_port_get_device (data));
return NULL;
}
/* Find one QMI port, we don't care which one */
rpmsg_qmi_ports = mm_base_modem_find_ports (MM_BASE_MODEM (self),
MM_PORT_SUBSYS_RPMSG,
MM_PORT_TYPE_QMI);
if (!rpmsg_qmi_ports) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_NOT_FOUND,
"Couldn't find any QMI port for 'net/%s'",
mm_port_get_device (data));
return NULL;
}
/* Set outputs */
if (out_sio_port)
*out_sio_port = sio_port_per_port_number[net_port_number];
found = MM_PORT_QMI (rpmsg_qmi_ports->data);
g_list_free_full (rpmsg_qmi_ports, g_object_unref);
return found;
}
static MMPortQmi *
peek_port_qmi_for_data_ipa (MMBroadbandModemQmi *self,
MMPort *data,
QmiSioPort *out_sio_port,
GError **error)
{
MMPortQmi *found = NULL;
/* when using IPA, we have a master network interface that will be multiplexed
* to create link interfaces. We can assume any of the available QMI ports is
* able to manage that. */
found = mm_broadband_modem_qmi_peek_port_qmi (self);
if (!found)
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_NOT_FOUND,
"Couldn't find any QMI port for 'net/%s'",
mm_port_get_device (data));
else if (out_sio_port)
*out_sio_port = QMI_SIO_PORT_NONE;
return found;
}
static MMPortQmi *
peek_port_qmi_for_data (MMBroadbandModemQmi *self,
MMPort *data,
QmiSioPort *out_sio_port,
GError **error)
{
MMKernelDevice *net_port;
const gchar *net_port_driver;
g_assert (MM_IS_BROADBAND_MODEM_QMI (self));
g_assert (mm_port_get_subsys (data) == MM_PORT_SUBSYS_NET);
net_port = mm_port_peek_kernel_device (data);
net_port_driver = mm_kernel_device_get_driver (net_port);
if (g_strcmp0 (net_port_driver, "ipa") == 0)
return peek_port_qmi_for_data_ipa (self, data, out_sio_port, error);
if (g_strcmp0 (net_port_driver, "bam-dmux") == 0)
return peek_port_qmi_for_data_bam_dmux (self, data, out_sio_port, error);
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Unsupported QMI kernel driver for 'net/%s': %s",
mm_port_get_device (data),
net_port_driver);
return NULL;
}
/*****************************************************************************/
MMBroadbandModemQmiQcomSoc *
mm_broadband_modem_qmi_qcom_soc_new (const gchar *device,
const gchar **drivers,
const gchar *plugin,
guint16 vendor_id,
guint16 product_id)
{
return g_object_new (MM_TYPE_BROADBAND_MODEM_QMI_QCOM_SOC,
MM_BASE_MODEM_DEVICE, device,
MM_BASE_MODEM_DRIVERS, drivers,
MM_BASE_MODEM_PLUGIN, plugin,
MM_BASE_MODEM_VENDOR_ID, vendor_id,
MM_BASE_MODEM_PRODUCT_ID, product_id,
/* QMI bearer supports NET only */
MM_BASE_MODEM_DATA_NET_SUPPORTED, TRUE,
MM_BASE_MODEM_DATA_TTY_SUPPORTED, FALSE,
NULL);
}
static void
mm_broadband_modem_qmi_qcom_soc_init (MMBroadbandModemQmiQcomSoc *self)
{
}
static void
mm_broadband_modem_qmi_qcom_soc_class_init (MMBroadbandModemQmiQcomSocClass *klass)
{
MMBroadbandModemQmiClass *broadband_modem_qmi_class = MM_BROADBAND_MODEM_QMI_CLASS (klass);
broadband_modem_qmi_class->peek_port_qmi_for_data = peek_port_qmi_for_data;
}
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