DVB: add firesat driver

Original code written by Christian Dolzer <c.dolzer@digital-everywhere.com>

Cleaned up by Greg.

Major cleanup and reorg by Manu Abraham <manu@linuxtv.org>

Additions also by Ben Backx <ben@bbackx.com>

Cc: Christian Dolzer <c.dolzer@digital-everywhere.com>
Cc: Andreas Monitzer <andy@monitzer.com>
Cc: Manu Abraham <manu@linuxtv.org>
Cc: Fabio De Lorenzo <delorenzo.fabio@gmail.com>
Cc: Robert Berger <robert.berger@reliableembeddedsystems.com>
Signed-off-by: Ben Backx <ben@bbackx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Added missing dependency to dvb/firesat/Kconfig,
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>

Tweaked dvb/Makefile.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 95 insertions, 0 deletions

diff --git a/drivers/media/dvb/firesat/firesat-ci.c b/drivers/media/dvb/firesat/firesat-ci.c
new file mode 100644
index 000000000000..862d9553c5bc
--- /dev/null
+++ b/drivers/media/dvb/firesat/firesat-ci.c
@@ -0,0 +1,95 @@
+#include "firesat-ci.h"
+#include "firesat.h"
+#include "avc_api.h"
+
+#include <linux/dvb/ca.h>
+#include <dvbdev.h>
+/*
+static int firesat_ca_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *parg) {
+	//struct firesat *firesat = (struct firesat*)((struct dvb_device*)file->private_data)->priv;
+	int err;
+
+//	printk(KERN_INFO "%s: ioctl %d\n",__func__,cmd);
+
+	switch(cmd) {
+	case CA_RESET:
+		// TODO: Needs to be implemented with new AVC Vendor commands
+		break;
+	case CA_GET_CAP: {
+		ca_caps_t *cap=(ca_caps_t*)parg;
+		cap->slot_num = 1;
+		cap->slot_type = CA_CI_LINK;
+		cap->descr_num = 1;
+		cap->descr_type = CA_DSS;
+
+		err = 0;
+		break;
+	}
+	case CA_GET_SLOT_INFO: {
+		ca_slot_info_t *slot=(ca_slot_info_t*)parg;
+		if(slot->num == 0) {
+			slot->type = CA_CI | CA_CI_LINK | CA_DESCR;
+			slot->flags = CA_CI_MODULE_PRESENT | CA_CI_MODULE_READY;
+		} else {
+			slot->type = 0;
+			slot->flags = 0;
+		}
+		err = 0;
+		break;
+	}
+	default:
+			err=-EINVAL;
+	}
+	return err;
+}
+*/
+
+static int firesat_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) {
+	//return dvb_usercopy(inode, file, cmd, arg, firesat_ca_do_ioctl);
+	return dvb_generic_ioctl(inode, file, cmd, arg);
+}
+
+static int firesat_ca_io_open(struct inode *inode, struct file *file) {
+	printk(KERN_INFO "%s!\n",__func__);
+	return dvb_generic_open(inode, file);
+}
+
+static int firesat_ca_io_release(struct inode *inode, struct file *file) {
+	printk(KERN_INFO "%s!\n",__func__);
+	return dvb_generic_release(inode, file);
+}
+
+static unsigned int firesat_ca_io_poll(struct file *file, poll_table *wait) {
+//	printk(KERN_INFO "%s!\n",__func__);
+	return POLLIN;
+}
+
+static struct file_operations firesat_ca_fops = {
+	.owner = THIS_MODULE,
+	.read = NULL, // There is no low level read anymore
+	.write = NULL, // There is no low level write anymore
+	.ioctl = firesat_ca_ioctl,
+	.open = firesat_ca_io_open,
+	.release = firesat_ca_io_release,
+	.poll = firesat_ca_io_poll,
+};
+
+static struct dvb_device firesat_ca = {
+	.priv = NULL,
+	.users = 1,
+	.readers = 1,
+	.writers = 1,
+	.fops = &firesat_ca_fops,
+};
+
+int firesat_ca_init(struct firesat *firesat) {
+	int ret = dvb_register_device(firesat->adapter, &firesat->cadev, &firesat_ca, firesat, DVB_DEVICE_CA);
+	if(ret) return ret;
+
+	// avoid unnecessary delays, we're not talking to the CI yet anyways
+	return 0;
+}
+
+void firesat_ca_release(struct firesat *firesat) {
+	dvb_unregister_device(firesat->cadev);
+}