V4L/DVB (13737): [Mantis] Register the CA device, dummy functions for now

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 127 insertions, 0 deletions

diff --git a/drivers/media/dvb/mantis/mantis_ca.c b/drivers/media/dvb/mantis/mantis_ca.c
new file mode 100644
index 0000000..6e440d3
--- /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);
+}