+++ /dev/null
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/list.h>
-
-#include <linux/cdev.h>
-#include <linux/err.h>
-
-#include <linux/tapi/tapi.h>
-
-
-void tapi_alloc_input(struct tapi_device *tdev, struct tapi_port *port);
-int tapi_register_port_device(struct tapi_device* tdev, struct tapi_port *port);
-int tapi_register_stream_device(struct tapi_device* tdev);
-int tapi_register_control_device(struct tapi_device* tdev);
-
-static struct class *tapi_class;
-static int tapi_major;
-
-#define TAPI_MAX_MINORS 255
-
-static bool tapi_minors[TAPI_MAX_MINORS];
-
-static int tapi_get_free_minor(void)
-{
- int i;
- for (i = 0; i < TAPI_MAX_MINORS; ++i) {
- if (!tapi_minors[i]) {
- tapi_minors[i] = true;
- return i;
- }
- }
-
- return -1;
-}
-
-/*
-int tapi_port_send_dtmf_events(struct tapi_device *tdev, unsigned int port, struct tapi_dtmf *, size_t num_events, unsigned int dealy)
-{
-}
-EXPORT_SYMBOL_GPL(tapi_port_send_dtmf_events);
-*/
-
-void tapi_report_hook_event(struct tapi_device *tdev, struct tapi_port *port,
- bool on)
-{
- struct tapi_event event;
- event.type = TAPI_EVENT_TYPE_HOOK;
- event.port = port->id;
- event.hook.on = on;
-
- tapi_report_event(tdev, &event);
-}
-EXPORT_SYMBOL_GPL(tapi_report_hook_event);
-
-void tapi_report_dtmf_event(struct tapi_device *tdev, struct tapi_port *port,
- unsigned char code)
-{
- struct tapi_event event;
- event.type = TAPI_EVENT_TYPE_DTMF;
- event.port = port->id;
- event.dtmf.code = code;
-
- tapi_report_event(tdev, &event);
-}
-EXPORT_SYMBOL_GPL(tapi_report_dtmf_event);
-
-struct tapi_stream *tapi_stream_alloc(struct tapi_device *tdev)
-{
- struct tapi_stream *stream;
- printk("tdev %p\n", tdev);
-
- if (!tdev->ops || !tdev->ops->stream_alloc)
- return ERR_PTR(-ENOSYS);
-
- stream = tdev->ops->stream_alloc(tdev);
- printk("stream %p\n", stream);
- if (IS_ERR(stream))
- return stream;
-
- stream->id = atomic_inc_return(&tdev->stream_id) - 1;
- stream->ep.id = stream->id;
-
-/* mutex_lock(&tdev->lock);*/
- list_add_tail(&stream->head, &tdev->streams);
-/* mutex_unlock(&tdev->lock);*/
-
- return stream;
-}
-EXPORT_SYMBOL_GPL(tapi_stream_alloc);
-
-void tapi_stream_free(struct tapi_device *tdev, struct tapi_stream *stream)
-{
- mutex_lock(&tdev->lock);
- list_del(&stream->head);
- mutex_unlock(&tdev->lock);
-
- tdev->ops->stream_free(tdev, stream);
-}
-EXPORT_SYMBOL_GPL(tapi_stream_free);
-
-struct tapi_link *tapi_link_alloc(struct tapi_device *tdev,
- struct tapi_endpoint *ep1, struct tapi_endpoint *ep2)
-{
- struct tapi_link *link;
-
- if (!tdev->ops || !tdev->ops->link_alloc)
- return ERR_PTR(-ENOSYS);
-
- link = tdev->ops->link_alloc(tdev, ep1, ep2);
- if (IS_ERR(link))
- return link;
-
- link->id = atomic_inc_return(&tdev->link_id) - 1;
-
-/*
- mutex_lock(&tdev->lock);
- list_add_tail(&link->head, &tdev->links);
- mutex_unlock(&tdev->lock);
-*/
- return link;
-}
-EXPORT_SYMBOL_GPL(tapi_link_alloc);
-
-void tapi_link_free(struct tapi_device *tdev, struct tapi_link *link)
-{
-/*
- mutex_lock(&tdev->lock);
- list_del(&link->head);
- mutex_unlock(&tdev->lock);
-*/
- tdev->ops->link_free(tdev, link);
-}
-EXPORT_SYMBOL_GPL(tapi_link_free);
-
-int tapi_char_device_register(struct tapi_device *tdev,
- struct tapi_char_device *tchrdev, const struct file_operations *fops)
-{
- int ret;
- struct device *dev = &tchrdev->dev;
- dev_t devt;
- int minor = tapi_get_free_minor();
-
- devt = MKDEV(tapi_major, minor);
-
- dev->devt = devt;
- dev->class = tapi_class;
- dev->parent = &tdev->dev;
-
- tchrdev->tdev = tdev;
-
- cdev_init(&tchrdev->cdev, fops);
- tchrdev->cdev.owner = THIS_MODULE;
- ret = cdev_add(&tchrdev->cdev, devt, 1);
- if (ret)
- return ret;
-
- ret = device_register(&tchrdev->dev);
- if (ret)
- goto err_cdev_del;
-
- return 0;
-
-err_cdev_del:
- cdev_del(&tchrdev->cdev);
-
- return ret;
-}
-
-int tapi_device_register(struct tapi_device *tdev, const char *name,
- struct device *parent)
-{
- static atomic_t tapi_device_id = ATOMIC_INIT(0);
- int ret, i;
-
- tdev->dev.class = tapi_class;
- tdev->dev.parent = parent;
- dev_set_name(&tdev->dev, "%s", name);
-
- ret = device_register(&tdev->dev);
- if (ret)
- return ret;
-
- tdev->id = atomic_inc_return(&tapi_device_id) - 1;
-
- mutex_init(&tdev->lock);
- INIT_LIST_HEAD(&tdev->streams);
- INIT_LIST_HEAD(&tdev->links);
- atomic_set(&tdev->link_id, 0);
- atomic_set(&tdev->stream_id, tdev->num_ports);
-
- tapi_register_stream_device(tdev);
- tapi_register_control_device(tdev);
-
- for (i = 0; i < tdev->num_ports; ++i) {
- tapi_port_alloc(tdev, i);
- tapi_alloc_input(tdev, &tdev->ports[i]);
- tapi_register_port_device(tdev, &tdev->ports[i]);
- tdev->ports[i].id = i;
- tdev->ports[i].ep.id = i;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(tapi_device_register);
-
-void tapi_device_unregister(struct tapi_device *tdev)
-{
- device_unregister(&tdev->dev);
-}
-EXPORT_SYMBOL_GPL(tapi_device_unregister);
-
-static int __init tapi_class_init(void)
-{
- int ret;
- dev_t dev;
-
- tapi_class = class_create(THIS_MODULE, "tapi");
-
- if (IS_ERR(tapi_class)) {
- ret = PTR_ERR(tapi_class);
- printk(KERN_ERR "tapi: Failed to create device class: %d\n", ret);
- goto err;
- }
-
- ret = alloc_chrdev_region(&dev, 0, TAPI_MAX_MINORS, "tapi");
- if (ret) {
- printk(KERN_ERR "tapi: Failed to allocate chrdev region: %d\n", ret);
- goto err_class_destory;
- }
- tapi_major = MAJOR(dev);
-
- return 0;
-err_class_destory:
- class_destroy(tapi_class);
-err:
- return ret;
-}
-subsys_initcall(tapi_class_init);
-
-static void __exit tapi_class_exit(void)
-{
- unregister_chrdev_region(MKDEV(tapi_major, 0), TAPI_MAX_MINORS);
- class_destroy(tapi_class);
-}
-module_exit(tapi_class_exit);
-
-MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
-MODULE_DESCRIPTION("TAPI class");
-MODULE_LICENSE("GPL");
projects / openwrt / svn-archive / archive.git / blobdiff