make sim switch board specific

the simtrace board uses a bus switch not used on qmod and owhw to
switch the SIM between physical and virtual

Change-Id: Ieaf2ed4761fc3e04f33f9aac5c04a768c9a6f71e
This commit is contained in:
Kévin Redon
2019-05-14 23:39:36 +02:00
committed by Eric Wild
parent 2d0d1e8cb3
commit c5635780bb
4 changed files with 161 additions and 0 deletions

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@@ -14,5 +14,13 @@
*/
#pragma once
/** switch card lines to use physical or emulated card
* @param[in] nr card interface number (i.e. slot)
* @param[in] physical which physical interface to switch to (e.g. 0: physical, 1: virtual)
* @return 0 on success, negative else
*/
int sim_switch_use_physical(unsigned int nr, int physical);
/** initialise card switching capabilities
* @return number of switchable card interfaces
*/
int sim_switch_init(void);

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@@ -0,0 +1,90 @@
/* Code to switch between local (physical) and remote (emulated) SIM
*
* (C) 2015-2017 by Harald Welte <hwelte@hmw-consulting.de>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
*/
#include "board.h"
#include "trace.h"
#include "led.h"
#include "sim_switch.h"
#ifdef PIN_SIM_SWITCH1
static const Pin pin_conn_usim1 = {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
#ifdef PIN_SIM_SWITCH2
static const Pin pin_conn_usim2 = {PIO_PA28, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
static int initialized = 0;
int sim_switch_use_physical(unsigned int nr, int physical)
{
const Pin *pin;
enum led led;
if (!initialized) {
TRACE_ERROR("Somebody forgot to call sim_switch_init()\r\n");
sim_switch_init();
}
TRACE_INFO("Modem %d: %s SIM\n\r", nr,
physical ? "physical" : "virtual");
switch (nr) {
#ifdef PIN_SIM_SWITCH1
case 0:
pin = &pin_conn_usim1;
led = LED_USIM1;
break;
#endif
#ifdef PIN_SIM_SWITCH2
case 1:
pin = &pin_conn_usim2;
led = LED_USIM2;
break;
#endif
default:
TRACE_ERROR("Invalid SIM%u\n\r", nr);
return -1;
}
if (physical) {
TRACE_INFO("%u: Use local/physical SIM\r\n", nr);
PIO_Clear(pin);
led_blink(led, BLINK_ALWAYS_ON);
} else {
TRACE_INFO("%u: Use remote/emulated SIM\r\n", nr);
PIO_Set(pin);
led_blink(led, BLINK_ALWAYS_OFF);
}
return 0;
}
int sim_switch_init(void)
{
int num_switch = 0;
#ifdef PIN_SIM_SWITCH1
PIO_Configure(&pin_conn_usim1, 1);
num_switch++;
#endif
#ifdef PIN_SIM_SWITCH2
PIO_Configure(&pin_conn_usim2, 1);
num_switch++;
#endif
initialized = 1;
return num_switch;
}

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@@ -0,0 +1,63 @@
/* Code to switch between local (physical) and remote (emulated) SIM
*
* (C) 2015-2017 by Harald Welte <hwelte@hmw-consulting.de>
* (C) 2018, sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.de>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
*/
#include "board.h"
#include "trace.h"
#include "led.h"
#include "sim_switch.h"
#ifdef PIN_SIM_SWITCH1
static const Pin pin_conn_usim1 = {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
#ifdef PIN_SIM_SWITCH2
static const Pin pin_conn_usim2 = {PIO_PA28, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
static int initialized = 0;
int sim_switch_use_physical(unsigned int nr, int physical)
{
const Pin pin_sc = PIN_SC_SW_DEFAULT; // pin to control bus switch for VCC/RST/CLK signals
const Pin pin_io = PIN_IO_SW_DEFAULT; // pin to control bus switch for I/O signal
if (nr > 0) {
TRACE_ERROR("SIM interface for Modem %d can't be switched\r\n", nr);
return -1;
}
TRACE_INFO("Modem %u: %s SIM\n\r", nr, physical ? "physical" : "virtual");
if (physical) {
TRACE_INFO("%u: Use local/physical SIM\r\n", nr);
PIO_Set(&pin_sc);
PIO_Set(&pin_io);
} else {
TRACE_INFO("%u: Use remote/emulated SIM\r\n", nr);
PIO_Clear(&pin_sc);
PIO_Clear(&pin_io);
}
return 0;
}
int sim_switch_init(void)
{
// the bus switch is already initialised
return 1; // SIMtrace hardware has only one switchable interface
}