1 files changed, 231 insertions, 0 deletions

diff --git a/package/lqtapi/src/include/linux/tapi/tapi.h b/package/lqtapi/src/include/linux/tapi/tapi.h
new file mode 100644
index 000000000..410655d4c
--- /dev/null
+++ b/package/lqtapi/src/include/linux/tapi/tapi.h
@@ -0,0 +1,231 @@
+#ifndef __LINUX_TAPI_H__
+#define __LINUX_TAPI_H__
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+
+#include <linux/input.h>
+
+#include <asm/atomic.h>
+#include <linux/list.h>
+
+#include <linux/cdev.h>
+
+#include <linux/skbuff.h>
+#include <linux/wait.h>
+
+#include <linux/tapi/tapi-event.h>
+
+struct tapi_device;
+
+struct tapi_char_device {
+	struct tapi_device *tdev;
+	struct device dev;
+	struct cdev cdev;
+};
+
+static inline struct tapi_char_device *cdev_to_tapi_char_device(struct cdev *cdev)
+{
+	return container_of(cdev, struct tapi_char_device, cdev);
+}
+
+int tapi_char_device_register(struct tapi_device *tdev,
+	struct tapi_char_device *tchrdev, const struct file_operations *fops);
+
+
+struct tapi_endpoint {
+	unsigned int id;
+	void *data;
+};
+
+static inline void tapi_endpoint_set_data(struct tapi_endpoint *ep, void *data)
+{
+	ep->data = data;
+}
+
+static inline void *tapi_endpoint_get_data(struct tapi_endpoint *ep)
+{
+	return ep->data;
+}
+
+struct tapi_port {
+	unsigned int id;
+	struct tapi_endpoint ep;
+	struct input_dev *input;
+	struct tapi_char_device chrdev;
+};
+
+struct tapi_stream {
+	unsigned int id;
+	struct list_head head;
+	struct tapi_endpoint ep;
+
+	struct sk_buff_head recv_queue;
+	wait_queue_head_t recv_wait;
+	struct sk_buff_head send_queue;
+};
+
+struct tapi_link {
+	unsigned int id;
+	struct list_head head;
+};
+
+enum tapi_codec {
+	TAPI_CODEC_L16,
+};
+
+struct tapi_stream_config {
+	enum tapi_codec codec;
+	unsigned int buffer_size;
+};
+
+struct tapi_ops {
+	int (*send_dtmf_events)(struct tapi_device *, struct tapi_port *port,
+		struct tapi_dtmf_event *, size_t num_events, unsigned int dealy);
+	int (*send_dtmf_event)(struct tapi_device *, struct tapi_port *port,
+		struct tapi_dtmf_event *);
+	int (*ring)(struct tapi_device *, struct tapi_port *port, bool ring);
+
+	struct tapi_stream *(*stream_alloc)(struct tapi_device *);
+	void (*stream_free)(struct tapi_device *, struct tapi_stream *);
+	int (*stream_configure)(struct tapi_device *, struct tapi_stream *,
+		struct tapi_stream_config *);
+	int (*stream_start)(struct tapi_device *, struct tapi_stream *);
+	int (*stream_stop)(struct tapi_device *, struct tapi_stream *);
+	int (*stream_send)(struct tapi_device *, struct tapi_stream *,
+		struct sk_buff *);
+
+	struct tapi_link *(*link_alloc)(struct tapi_device *,
+		struct tapi_endpoint *ep1, struct tapi_endpoint *ep2);
+	void (*link_free)(struct tapi_device *, struct tapi_link *);
+	int (*link_enable)(struct tapi_device *, struct tapi_link *);
+	int (*link_disable)(struct tapi_device *, struct tapi_link *);
+
+	int (*sync)(struct tapi_device *);
+};
+
+int tapi_stream_recv(struct tapi_device *, struct tapi_stream *, struct sk_buff *);
+
+struct tapi_device {
+	unsigned int id;
+
+	const struct tapi_ops *ops;
+	unsigned int num_ports;
+
+	struct device dev;
+
+	struct mutex lock;
+
+	struct tapi_port *ports;
+	struct list_head streams;
+	struct list_head links;
+	atomic_t stream_id;
+	atomic_t link_id;
+
+	struct tapi_char_device stream_dev;
+	struct tapi_char_device control_dev;
+};
+
+static inline struct tapi_device *dev_to_tapi(struct device *dev)
+{
+	return container_of(dev, struct tapi_device, dev);
+}
+
+static inline struct tapi_stream *tapi_stream_from_id(struct tapi_device *tdev,
+	unsigned int id)
+{
+	struct tapi_stream *stream;
+
+	mutex_lock(&tdev->lock);
+
+	list_for_each_entry(stream, &tdev->streams, head) {
+		if (stream->id == id)
+			goto out;
+	}
+	stream = NULL;
+
+out:
+	mutex_unlock(&tdev->lock);
+	return stream;
+}
+
+struct tapi_link *tapi_link_alloc(struct tapi_device *, struct tapi_endpoint *,
+	struct tapi_endpoint *);
+void tapi_link_free(struct tapi_device *, struct tapi_link *);
+
+struct tapi_stream *tapi_stream_alloc(struct tapi_device *tdev);
+void tapi_stream_free(struct tapi_device *tdev, struct tapi_stream *stream);
+
+static inline int tapi_sync(struct tapi_device *tdev)
+{
+	if (!tdev->ops || !tdev->ops->sync)
+		return 0;
+
+	return tdev->ops->sync(tdev);
+}
+
+static inline int tapi_link_enable(struct tapi_device *tdev,
+	struct tapi_link *link)
+{
+	if (!tdev->ops || !tdev->ops->link_enable)
+		return 0;
+
+	return tdev->ops->link_enable(tdev, link);
+}
+
+static inline int tapi_link_disable(struct tapi_device *tdev,
+	struct tapi_link *link)
+{
+	if (!tdev->ops || !tdev->ops->link_disable)
+		return 0;
+
+	return tdev->ops->link_disable(tdev, link);
+}
+
+static inline int tapi_port_send_dtmf(struct tapi_device *tdev,
+	struct tapi_port *port,	struct tapi_dtmf_event *dtmf)
+{
+	if (!tdev->ops || !tdev->ops->send_dtmf_event)
+		return -ENOSYS;
+
+	return tdev->ops->send_dtmf_event(tdev, port, dtmf);
+}
+
+static inline int tapi_port_set_ring(struct tapi_device *tdev,
+	struct tapi_port *port, bool ring)
+{
+	if (!tdev->ops || !tdev->ops->ring)
+		return -ENOSYS;
+
+	return tdev->ops->ring(tdev, port, ring);
+}
+
+static inline int tapi_stream_start(struct tapi_device *tdev,
+struct tapi_stream *stream)
+{
+	if (!tdev->ops || !tdev->ops->stream_start)
+		return -ENOSYS;
+
+	return tdev->ops->stream_start(tdev, stream);
+}
+
+static inline int tapi_stream_stop(struct tapi_device *tdev,
+struct tapi_stream *stream)
+{
+	if (!tdev->ops || !tdev->ops->stream_stop)
+		return -ENOSYS;
+
+	return tdev->ops->stream_stop(tdev, stream);
+}
+
+int tapi_device_register(struct tapi_device *tdev, const char *name,
+	struct device *parent);
+void tapi_device_unregister(struct tapi_device *tdev);
+
+struct tapi_sysfs_port;
+
+struct tapi_sysfs_port *tapi_port_alloc(struct tapi_device *tdev, unsigned int id);
+void tapi_port_delete(struct tapi_sysfs_port *);
+
+#endif