From 50d82602760c99d2c954c33360990c00146532cd Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:06:38 -0300 Subject: V4L/DVB (13737): [Mantis] Register the CA device, dummy functions for now Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_ca.c | 127 +++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 drivers/media/dvb/mantis/mantis_ca.c (limited to 'drivers/media/dvb/mantis/mantis_ca.c') diff --git a/drivers/media/dvb/mantis/mantis_ca.c b/drivers/media/dvb/mantis/mantis_ca.c new file mode 100644 index 000000000000..6e440d31b79b --- /dev/null +++ b/drivers/media/dvb/mantis/mantis_ca.c @@ -0,0 +1,127 @@ +/* + Mantis PCI bridge driver + + Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com) + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "mantis_common.h" +#include "mantis_link.h" +#include "mantis_hif.h" + + +static int mantis_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long parg) +{ + return 0; +} + +static int mantis_ca_open(struct inode *inode, struct file *file) +{ + return 0; +} + +static int mantis_ca_release(struct inode *inode, struct file *file) +{ + return 0; +} + +static ssize_t mantis_ca_read(struct file *file, char __user *buffer, size_t count, loff_t *ofset) +{ + struct dvb_device *dvbdev = file->private_data; + struct mantis_ca *ca = dvbdev->priv; + + int status; + + return 0; +error: + return status; +} + +static ssize_t mantis_ca_write(struct file *file, const char __user *buffer, size_t count, loff_t *offset) +{ + struct dvb_device *dvbdev = file->private_data; + struct mantis_ca *ca = dvbdev->priv; + + int status; + + return 0; +error: + return status; +} + +static struct file_operations mantis_fops = { + .owner = THIS_MODULE, + .ioctl = mantis_ca_ioctl, + .open = mantis_ca_open, + .release = mantis_ca_release, + .read = mantis_ca_read, + .write = mantis_ca_write, +}; + +static struct dvb_device mantis_ca = { + .priv = NULL, + .users = 1, + .readers = 1, + .writers = 1, + .fops = &mantis_fops, +}; + +struct dvb_device *mantis_ca_init(struct mantis_pci *mantis) +{ + int ret; + + struct dvb_device *dvbdev; + struct dvb_adapter *dvb_adapter = &mantis->dvb_adapter; + struct mantis_ca *ca; + + if (!(ca = kzalloc(sizeof (struct mantis_ca), GFP_KERNEL))) { + dprintk(verbose, MANTIS_ERROR, 1, "Out of memory!, exiting .."); + return NULL; + } + + ca->ca_priv = mantis; + mantis->mantis_ca = ca; + mantis_evmgr_init(ca); + + dprintk(verbose, MANTIS_ERROR, 0, "CA: Registering Mantis Adapter(%d) Slot(0)\n", mantis->num); + if (dvb_register_device(dvb_adapter, &dvbdev, &mantis_ca, ca, DVB_DEVICE_CA) == 0) { + ca->ca_dev = dvbdev; + return ca->ca_dev; + } + return 0; + +error: + if (ca != NULL) { + dprintk(verbose, MANTIS_ERROR, 1, "Error .."); + if (ca->ca_dev != NULL) + dvb_unregister_device(ca->ca_dev); + + kfree(ca); + } + return NULL; +} + +void mantis_ca_exit(struct mantis_pci *mantis) +{ + struct mantis_ca *ca = mantis->mantis_ca; + + mantis_evmgr_exit(ca); + dprintk(verbose, MANTIS_ERROR, 0, "CA: Unregister Mantis Adapter(%d) Slot(0)\n", mantis->num); + if (ca->ca_dev) + dvb_unregister_device(ca->ca_dev); + + kfree(ca); +} -- cgit v1.2.2