85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*! \file reader_pcsc.c
|
|
* Card reader driver core */
|
|
/*
|
|
* (C) 2018 by Harald Welte <laforge@gnumonks.org>
|
|
*
|
|
* All Rights Reserved
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <talloc.h>
|
|
#include <osmocom/core/linuxlist.h>
|
|
|
|
#include "internal.h"
|
|
|
|
static LLIST_HEAD(g_card_reader_drivers);
|
|
static LLIST_HEAD(g_card_readers);
|
|
|
|
struct card_reader *card_reader_alloc(void *ctx, const char *name,
|
|
const struct card_reader_driver *drv, void *drv_handle)
|
|
{
|
|
struct card_reader *cr = talloc_zero(ctx, struct card_reader);
|
|
if (!cr)
|
|
return NULL;
|
|
|
|
cr->name = talloc_strdup(ctx, name);
|
|
cr->drv = drv;
|
|
cr->drv_handle = drv_handle;
|
|
INIT_LLIST_HEAD(&cr->slots);
|
|
|
|
llist_add(&cr->list, &g_card_readers);
|
|
|
|
printf("allocated reader '%s'\n", cr->name);
|
|
|
|
return cr;
|
|
}
|
|
|
|
/* allocate a new slot in the given reader */
|
|
struct card_reader_slot *card_reader_slot_alloc(struct card_reader *cr, unsigned int slot_num)
|
|
{
|
|
struct card_reader_slot *cs = talloc_zero(cr, struct card_reader_slot);
|
|
if (!cs)
|
|
return NULL;
|
|
|
|
cs->reader = cr;
|
|
llist_add(&cr->list, &cr->slots);
|
|
cs->num = slot_num;
|
|
|
|
return cs;
|
|
}
|
|
|
|
|
|
/* register a driver with the core, should typcially be called at start-up */
|
|
void card_reader_driver_register(struct card_reader_driver *drv)
|
|
{
|
|
llist_add_tail(&drv->list, &g_card_reader_drivers);
|
|
}
|
|
|
|
/* probe all readers on all drivers */
|
|
void card_readers_probe(void *ctx)
|
|
{
|
|
struct card_reader_driver *drv;
|
|
|
|
llist_for_each_entry(drv, &g_card_reader_drivers, list) {
|
|
printf("probing driver '%s' for drivers\n", drv->name);
|
|
drv->ops->probe(ctx);
|
|
}
|
|
}
|