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/**
* @file mesubdevice.c
*
* @brief Subdevice base class implemention.
* @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
* @author Guenter Gebhardt
*/
/*
* This file 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __KERNEL__
# define __KERNEL__
#endif
#include <linux/slab.h>
#include "medefines.h"
#include "meerror.h"
#include "medebug.h"
#include "mesubdevice.h"
static int me_subdevice_io_irq_start(struct me_subdevice *subdevice,
struct file *filep,
int channel,
int irq_source,
int irq_edge, int irq_arg, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_irq_wait(struct me_subdevice *subdevice,
struct file *filep,
int channel,
int *irq_count,
int *value, int time_out, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_irq_stop(struct me_subdevice *subdevice,
struct file *filep, int channel, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_reset_subdevice(struct me_subdevice *subdevice,
struct file *filep, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_single_config(struct me_subdevice *subdevice,
struct file *filep,
int channel,
int single_config,
int ref,
int trig_chan,
int trig_type,
int trig_edge, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_single_read(struct me_subdevice *subdevice,
struct file *filep,
int channel,
int *value, int time_out, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_single_write(struct me_subdevice *subdevice,
struct file *filep,
int channel,
int value, int time_out, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_config(struct me_subdevice *subdevice,
struct file *filep,
meIOStreamConfig_t *config_list,
int count,
meIOStreamTrigger_t *trigger,
int fifo_irq_threshold, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_new_values(struct me_subdevice *subdevice,
struct file *filep,
int time_out,
int *count, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_read(struct me_subdevice *subdevice,
struct file *filep,
int read_mode,
int *values, int *count, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_start(struct me_subdevice *subdevice,
struct file *filep,
int start_mode, int time_out, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_status(struct me_subdevice *subdevice,
struct file *filep,
int wait,
int *status, int *count, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_stop(struct me_subdevice *subdevice,
struct file *filep,
int stop_mode, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_io_stream_write(struct me_subdevice *subdevice,
struct file *filep,
int write_mode,
int *values, int *count, int flags)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_lock_subdevice(me_subdevice_t *subdevice,
struct file *filep, int lock, int flags)
{
PDEBUG("executed.\n");
return me_slock_lock(&subdevice->lock, filep, lock);
}
static int me_subdevice_query_number_channels(struct me_subdevice *subdevice,
int *number)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_query_number_ranges(struct me_subdevice *subdevice,
int unit, int *count)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_query_range_by_min_max(struct me_subdevice *subdevice,
int unit,
int *min,
int *max,
int *maxdata, int *range)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_query_range_info(struct me_subdevice *subdevice,
int range,
int *unit,
int *min, int *max, int *maxdata)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_query_subdevice_type(struct me_subdevice *subdevice,
int *type, int *subtype)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_query_subdevice_caps(struct me_subdevice *subdevice,
int *caps)
{
PDEBUG("executed.\n");
*caps = 0;
return ME_ERRNO_SUCCESS;
}
static int me_subdevice_query_subdevice_caps_args(struct me_subdevice
*subdevice, int cap,
int *args, int count)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_query_timer(struct me_subdevice *subdevice,
int timer,
int *base_frequency,
long long *min_ticks, long long *max_ticks)
{
PDEBUG("executed.\n");
return ME_ERRNO_NOT_SUPPORTED;
}
static int me_subdevice_config_load(struct me_subdevice *subdevice,
me_cfg_device_entry_t *config)
{
PDEBUG("executed.\n");
return ME_ERRNO_SUCCESS;
}
static void me_subdevice_destructor(struct me_subdevice *subdevice)
{
PDEBUG("executed.\n");
me_subdevice_deinit(subdevice);
kfree(subdevice);
}
int me_subdevice_init(me_subdevice_t *subdevice)
{
int err;
PDEBUG("executed.\n");
/* Init list head */
INIT_LIST_HEAD(&subdevice->list);
/* Initialize the subdevice lock instance */
err = me_slock_init(&subdevice->lock);
if (err) {
PERROR("Cannot initialize subdevice lock instance.\n");
return 1;
}
/* Subdevice base class methods */
subdevice->me_subdevice_io_irq_start = me_subdevice_io_irq_start;
subdevice->me_subdevice_io_irq_wait = me_subdevice_io_irq_wait;
subdevice->me_subdevice_io_irq_stop = me_subdevice_io_irq_stop;
subdevice->me_subdevice_io_reset_subdevice =
me_subdevice_io_reset_subdevice;
subdevice->me_subdevice_io_single_config =
me_subdevice_io_single_config;
subdevice->me_subdevice_io_single_read = me_subdevice_io_single_read;
subdevice->me_subdevice_io_single_write = me_subdevice_io_single_write;
subdevice->me_subdevice_io_stream_config =
me_subdevice_io_stream_config;
subdevice->me_subdevice_io_stream_new_values =
me_subdevice_io_stream_new_values;
subdevice->me_subdevice_io_stream_read = me_subdevice_io_stream_read;
subdevice->me_subdevice_io_stream_start = me_subdevice_io_stream_start;
subdevice->me_subdevice_io_stream_status =
me_subdevice_io_stream_status;
subdevice->me_subdevice_io_stream_stop = me_subdevice_io_stream_stop;
subdevice->me_subdevice_io_stream_write = me_subdevice_io_stream_write;
subdevice->me_subdevice_lock_subdevice = me_subdevice_lock_subdevice;
subdevice->me_subdevice_query_number_channels =
me_subdevice_query_number_channels;
subdevice->me_subdevice_query_number_ranges =
me_subdevice_query_number_ranges;
subdevice->me_subdevice_query_range_by_min_max =
me_subdevice_query_range_by_min_max;
subdevice->me_subdevice_query_range_info =
me_subdevice_query_range_info;
subdevice->me_subdevice_query_subdevice_type =
me_subdevice_query_subdevice_type;
subdevice->me_subdevice_query_subdevice_caps =
me_subdevice_query_subdevice_caps;
subdevice->me_subdevice_query_subdevice_caps_args =
me_subdevice_query_subdevice_caps_args;
subdevice->me_subdevice_query_timer = me_subdevice_query_timer;
subdevice->me_subdevice_config_load = me_subdevice_config_load;
subdevice->me_subdevice_destructor = me_subdevice_destructor;
return 0;
}
void me_subdevice_deinit(me_subdevice_t *subdevice)
{
PDEBUG("executed.\n");
me_subdevice_io_reset_subdevice(subdevice, NULL,
ME_IO_RESET_SUBDEVICE_NO_FLAGS);
me_slock_deinit(&subdevice->lock);
}
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