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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-11-03 19:12:34 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-11-03 19:12:34 +0000
commit6ea7ec75d2fe0dd52bc3e86135412bfc92c3158c (patch)
tree1b900bd32ce90c62703905c460db950c7c2ba9ec /package/lqtapi/src/tapi/tapi-port.c
parent74f6f2f5a244b9ba7aec5d7114fe763f8c20e96c (diff)
[ifxmips]
* adds a rewrite of the tapi drivers + sip app. this is the result of lars' gsoc 2010 project, Thanks ! git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23840 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/lqtapi/src/tapi/tapi-port.c')
-rw-r--r--package/lqtapi/src/tapi/tapi-port.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/package/lqtapi/src/tapi/tapi-port.c b/package/lqtapi/src/tapi/tapi-port.c
new file mode 100644
index 000000000..0ef955567
--- /dev/null
+++ b/package/lqtapi/src/tapi/tapi-port.c
@@ -0,0 +1,82 @@
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include <linux/tapi/tapi.h>
+#include <linux/tapi/tapi-ioctl.h>
+
+static inline struct tapi_port *tapi_char_device_to_port(struct tapi_char_device *chrdev)
+{
+ return container_of(chrdev, struct tapi_port, chrdev);
+}
+
+static int tapi_port_open(struct inode *inode, struct file *file)
+{
+ struct tapi_device *tdev = cdev_to_tapi_char_device(inode->i_cdev)->tdev;
+
+ get_device(&tdev->dev);
+ file->private_data = cdev_to_tapi_char_device(inode->i_cdev);
+
+ return 0;
+}
+
+static int tapi_port_release(struct inode *inode, struct file *file)
+{
+ struct tapi_device *tdev = cdev_to_tapi_char_device(inode->i_cdev)->tdev;
+
+ put_device(&tdev->dev);
+
+ return 0;
+}
+
+static long tapi_port_ioctl_get_endpoint(struct tapi_device *tdev,
+ struct tapi_port *port, unsigned long arg)
+{
+ return port->ep.id;
+}
+
+static long tapi_port_ioctl_set_ring(struct tapi_device *tdev,
+ struct tapi_port *port, unsigned long arg)
+{
+ tapi_port_set_ring(tdev, port, arg);
+ return 0;
+}
+
+static long tapi_port_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+ struct tapi_char_device *tchrdev = file->private_data;
+ struct tapi_device *tdev = tchrdev->tdev;
+ struct tapi_port *port = tapi_char_device_to_port(tchrdev);
+
+ switch (cmd) {
+ case TAPI_PORT_IOCTL_GET_ENDPOINT:
+ ret = tapi_port_ioctl_get_endpoint(tdev, port, arg);
+ break;
+ case TAPI_PORT_IOCTL_SET_RING:
+ ret = tapi_port_ioctl_set_ring(tdev, port, arg);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static const struct file_operations tapi_port_file_ops = {
+ .owner = THIS_MODULE,
+ .open = tapi_port_open,
+ .release = tapi_port_release,
+ .unlocked_ioctl = tapi_port_ioctl,
+};
+
+int tapi_register_port_device(struct tapi_device* tdev, struct tapi_port *port)
+{
+ dev_set_name(&port->chrdev.dev, "tapi%uP%u", tdev->id, port->id);
+ return tapi_char_device_register(tdev, &port->chrdev, &tapi_port_file_ops);
+}