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author | John Crispin <john@openwrt.org> | 2010-11-03 19:12:34 +0000 |
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committer | John Crispin <john@openwrt.org> | 2010-11-03 19:12:34 +0000 |
commit | a8b2a07f375edefec242de9f20d4aefafa927517 (patch) | |
tree | d15f5bb696bfa9dfd9555788d411e0ba59b99a65 /package/lqtapi/src/tapi/tapi-port.c | |
parent | 72ae8452cda47d6e18e664097a4adbc0eee3fc7b (diff) | |
download | master-31e0f0ae-a8b2a07f375edefec242de9f20d4aefafa927517.tar.gz master-31e0f0ae-a8b2a07f375edefec242de9f20d4aefafa927517.tar.bz2 master-31e0f0ae-a8b2a07f375edefec242de9f20d4aefafa927517.zip |
* adds a rewrite of the tapi drivers + sip app. this is the result of lars' gsoc 2010 project, Thanks !
SVN-Revision: 23840
Diffstat (limited to 'package/lqtapi/src/tapi/tapi-port.c')
-rw-r--r-- | package/lqtapi/src/tapi/tapi-port.c | 82 |
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 0000000000..0ef9555676 --- /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); +} |