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Diffstat (limited to 'v4l_experimental/firesat/firesat-ci.c')
-rw-r--r--v4l_experimental/firesat/firesat-ci.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/v4l_experimental/firesat/firesat-ci.c b/v4l_experimental/firesat/firesat-ci.c
new file mode 100644
index 000000000..1fd96cf63
--- /dev/null
+++ b/v4l_experimental/firesat/firesat-ci.c
@@ -0,0 +1,124 @@
+#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",__FUNCTION__,cmd);
+
+ switch(cmd) {
+ case CA_RESET:
+ err = AVCResetTPDU(firesat);
+// if(err==0)
+ mdelay(3000);
+ 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; // ### peter fragen!
+
+ 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);
+}
+
+static ssize_t firesat_ca_io_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) {
+ struct firesat *firesat = (struct firesat*)((struct dvb_device*)file->private_data)->priv;
+ char *data=kmalloc(count,GFP_KERNEL);
+// printk(KERN_INFO "%s: count = %d\n",__FUNCTION__, count);
+ copy_from_user(data,buf,count);
+ int r=AVCWriteTPDU(firesat, data, count);
+ kfree(data);
+ if(!r)
+ return count;
+ printk("%s: failed writing data\n",__FUNCTION__);
+ return 0;
+}
+
+static ssize_t firesat_ca_io_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) {
+ struct firesat *firesat = (struct firesat*)((struct dvb_device*)file->private_data)->priv;
+ char *data=kmalloc(count,GFP_KERNEL);
+// printk(KERN_INFO "%s: count = %d\n",__FUNCTION__,count);
+ int r=AVCReadTPDU(firesat, data, &count);
+ if(!r) {
+ copy_to_user(buf,data,count);
+ kfree(data);
+ return count;
+ }
+ kfree(data);
+ return 0;
+}
+
+static int firesat_ca_io_open(struct inode *inode, struct file *file) {
+ printk(KERN_INFO "%s!\n",__FUNCTION__);
+ return dvb_generic_open(inode, file);
+}
+
+static int firesat_ca_io_release(struct inode *inode, struct file *file) {
+ printk(KERN_INFO "%s!\n",__FUNCTION__);
+ return dvb_generic_release(inode, file);
+}
+
+static unsigned int firesat_ca_io_poll(struct file *file, poll_table *wait) {
+// printk(KERN_INFO "%s!\n",__FUNCTION__);
+ return POLLIN;
+}
+
+static struct file_operations firesat_ca_fops = {
+ .owner = THIS_MODULE,
+ .read = firesat_ca_io_read,
+ .write = firesat_ca_io_write,
+ .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;
+ AVCResetTPDU(firesat);
+ // 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);
+}
+