forked from Minki/linux
50d8260276
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
128 lines
3.0 KiB
C
128 lines
3.0 KiB
C
/*
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Mantis PCI bridge driver
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Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "mantis_common.h"
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#include "mantis_link.h"
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#include "mantis_hif.h"
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static int mantis_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long parg)
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{
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return 0;
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}
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static int mantis_ca_open(struct inode *inode, struct file *file)
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{
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return 0;
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}
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static int mantis_ca_release(struct inode *inode, struct file *file)
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{
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return 0;
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}
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static ssize_t mantis_ca_read(struct file *file, char __user *buffer, size_t count, loff_t *ofset)
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{
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struct dvb_device *dvbdev = file->private_data;
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struct mantis_ca *ca = dvbdev->priv;
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int status;
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return 0;
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error:
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return status;
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}
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static ssize_t mantis_ca_write(struct file *file, const char __user *buffer, size_t count, loff_t *offset)
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{
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struct dvb_device *dvbdev = file->private_data;
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struct mantis_ca *ca = dvbdev->priv;
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int status;
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return 0;
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error:
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return status;
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}
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static struct file_operations mantis_fops = {
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.owner = THIS_MODULE,
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.ioctl = mantis_ca_ioctl,
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.open = mantis_ca_open,
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.release = mantis_ca_release,
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.read = mantis_ca_read,
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.write = mantis_ca_write,
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};
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static struct dvb_device mantis_ca = {
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.priv = NULL,
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.users = 1,
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.readers = 1,
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.writers = 1,
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.fops = &mantis_fops,
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};
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struct dvb_device *mantis_ca_init(struct mantis_pci *mantis)
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{
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int ret;
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struct dvb_device *dvbdev;
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struct dvb_adapter *dvb_adapter = &mantis->dvb_adapter;
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struct mantis_ca *ca;
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if (!(ca = kzalloc(sizeof (struct mantis_ca), GFP_KERNEL))) {
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dprintk(verbose, MANTIS_ERROR, 1, "Out of memory!, exiting ..");
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return NULL;
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}
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ca->ca_priv = mantis;
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mantis->mantis_ca = ca;
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mantis_evmgr_init(ca);
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dprintk(verbose, MANTIS_ERROR, 0, "CA: Registering Mantis Adapter(%d) Slot(0)\n", mantis->num);
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if (dvb_register_device(dvb_adapter, &dvbdev, &mantis_ca, ca, DVB_DEVICE_CA) == 0) {
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ca->ca_dev = dvbdev;
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return ca->ca_dev;
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}
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return 0;
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error:
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if (ca != NULL) {
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dprintk(verbose, MANTIS_ERROR, 1, "Error ..");
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if (ca->ca_dev != NULL)
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dvb_unregister_device(ca->ca_dev);
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kfree(ca);
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}
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return NULL;
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}
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void mantis_ca_exit(struct mantis_pci *mantis)
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{
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struct mantis_ca *ca = mantis->mantis_ca;
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mantis_evmgr_exit(ca);
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dprintk(verbose, MANTIS_ERROR, 0, "CA: Unregister Mantis Adapter(%d) Slot(0)\n", mantis->num);
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if (ca->ca_dev)
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dvb_unregister_device(ca->ca_dev);
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kfree(ca);
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}
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