| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 280 | 99.29% | 3 | 75.00% | |
| 2 | 0.71% | 1 | 25.00% | |
| Total | 282 | 4 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mike Isely | 280 | 99.29% | 3 | 75.00% |
| Thomas Gleixner | 2 | 0.71% | 1 | 25.00% |
| Total | 282 | 4 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (C) 2005 Mike Isely <isely@pobox.com> */ #ifndef __PVRUSB2_IO_H #define __PVRUSB2_IO_H #include <linux/usb.h> #include <linux/list.h> typedef void (*pvr2_stream_callback)(void *); enum pvr2_buffer_state { pvr2_buffer_state_none = 0, // Not on any list pvr2_buffer_state_idle = 1, // Buffer is ready to be used again pvr2_buffer_state_queued = 2, // Buffer has been queued for filling pvr2_buffer_state_ready = 3, // Buffer has data available }; struct pvr2_stream; struct pvr2_buffer; struct pvr2_stream_stats { unsigned int buffers_in_queue; unsigned int buffers_in_idle; unsigned int buffers_in_ready; unsigned int buffers_processed; unsigned int buffers_failed; unsigned int bytes_processed; }; /* Initialize / tear down stream structure */ struct pvr2_stream *pvr2_stream_create(void); void pvr2_stream_destroy(struct pvr2_stream *); void pvr2_stream_setup(struct pvr2_stream *, struct usb_device *dev,int endpoint, unsigned int tolerance); void pvr2_stream_set_callback(struct pvr2_stream *, pvr2_stream_callback func, void *data); void pvr2_stream_get_stats(struct pvr2_stream *, struct pvr2_stream_stats *, int zero_counts); /* Query / set the nominal buffer count */ int pvr2_stream_get_buffer_count(struct pvr2_stream *); int pvr2_stream_set_buffer_count(struct pvr2_stream *,unsigned int); /* Get a pointer to a buffer that is either idle, ready, or is specified named. */ struct pvr2_buffer *pvr2_stream_get_idle_buffer(struct pvr2_stream *); struct pvr2_buffer *pvr2_stream_get_ready_buffer(struct pvr2_stream *); struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp,int id); /* Find out how many buffers are idle or ready */ int pvr2_stream_get_ready_count(struct pvr2_stream *); /* Kill all pending buffers and throw away any ready buffers as well */ void pvr2_stream_kill(struct pvr2_stream *); /* Set up the actual storage for a buffer */ int pvr2_buffer_set_buffer(struct pvr2_buffer *,void *ptr,unsigned int cnt); /* Find out size of data in the given ready buffer */ unsigned int pvr2_buffer_get_count(struct pvr2_buffer *); /* Retrieve completion code for given ready buffer */ int pvr2_buffer_get_status(struct pvr2_buffer *); /* Retrieve ID of given buffer */ int pvr2_buffer_get_id(struct pvr2_buffer *); /* Start reading into given buffer (kill it if needed) */ int pvr2_buffer_queue(struct pvr2_buffer *); #endif /* __PVRUSB2_IO_H */