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 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);
+}