path: root/drivers/media/dvb/siano/smscoreapi.c

/*
 *  Siano core API module
 *
 *  This file contains implementation for the interface to sms core component
 *
 *  author: Anatoly Greenblat
 *
 *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3 as
 *  published by the Free Software Foundation;
 *
 *  Software distributed under the License is distributed on an "AS IS"
 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
 *
 *  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.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/io.h>

#include <linux/firmware.h>

#include "smscoreapi.h"
#include "sms-cards.h"

int sms_debug;
module_param_named(debug, sms_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");

struct smscore_device_notifyee_t {
	struct list_head entry;
	hotplug_t hotplug;
};

struct smscore_idlist_t {
	struct list_head entry;
	int		id;
	int		data_type;
};

struct smscore_client_t {
	struct list_head entry;
	struct smscore_device_t *coredev;
	void			*context;
	struct list_head 	idlist;
	onresponse_t	onresponse_handler;
	onremove_t		onremove_handler;
};

struct smscore_device_t {
	struct list_head entry;

	struct list_head clients;
	struct list_head subclients;
	spinlock_t		clientslock;

	struct list_head buffers;
	spinlock_t		bufferslock;
	int				num_buffers;

	void			*common_buffer;
	int				common_buffer_size;
	dma_addr_t		common_buffer_phys;

	void			*context;
	struct device	*device;

	char			devpath[32];
	unsigned long	device_flags;

	setmode_t		setmode_handler;
	detectmode_t	detectmode_handler;
	sendrequest_t	sendrequest_handler;
	preload_t		preload_handler;
	postload_t		postload_handler;

	int				mode, modes_supported;

	struct completion version_ex_done, data_download_done, trigger_done;
	struct completion init_device_done, reload_start_done, resume_done;

	int board_id;
};

void smscore_set_board_id(struct smscore_device_t *core, int id)
{
	core->board_id = id;
}

int smscore_get_board_id(struct smscore_device_t *core)
{
	return core->board_id;
}

struct smscore_registry_entry_t {
	struct list_head entry;
	char			devpath[32];
	int				mode;
	enum sms_device_type_st	type;
};

static struct list_head g_smscore_notifyees;
static struct list_head g_smscore_devices;
static struct mutex g_smscore_deviceslock;

static struct list_head g_smscore_registry;
static struct mutex g_smscore_registrylock;

static int default_mode = 4;

module_param(default_mode, int, 0644);