diff options
Diffstat (limited to 'drivers/media/isdbt/fc8150/fci_ringbuffer.h')
-rw-r--r-- | drivers/media/isdbt/fc8150/fci_ringbuffer.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/drivers/media/isdbt/fc8150/fci_ringbuffer.h b/drivers/media/isdbt/fc8150/fci_ringbuffer.h deleted file mode 100644 index 0d1a2cc..0000000 --- a/drivers/media/isdbt/fc8150/fci_ringbuffer.h +++ /dev/null @@ -1,89 +0,0 @@ -/***************************************************************************** - Copyright(c) 2010 FCI Inc. All Rights Reserved - - File name : fci_ringbuffer.h - - Description : - - History : - ---------------------------------------------------------------------- - 2010/11/25 aslan.cho initial -*******************************************************************************/ - -#ifndef __FCI_RINGBUFFER_H__ -#define __FCI_RINGBUFFER_H__ - -#ifdef __cplusplus -extern "C" { -#endif - -#include <linux/spinlock.h> -#include <linux/wait.h> - -struct fci_ringbuffer { - u8 *data; - ssize_t size; - ssize_t pread; - ssize_t pwrite; - int error; - - wait_queue_head_t queue; - spinlock_t lock; -}; - -#define FCI_RINGBUFFER_PKTHDRSIZE 3 - -extern void fci_ringbuffer_init(struct fci_ringbuffer *rbuf - , void *data, size_t len); - -extern int fci_ringbuffer_empty(struct fci_ringbuffer *rbuf); - -extern ssize_t fci_ringbuffer_free(struct fci_ringbuffer *rbuf); - -extern ssize_t fci_ringbuffer_avail(struct fci_ringbuffer *rbuf); - -extern void fci_ringbuffer_reset(struct fci_ringbuffer *rbuf); - -extern void fci_ringbuffer_flush(struct fci_ringbuffer *rbuf); - -extern void fci_ringbuffer_flush_spinlock_wakeup(struct fci_ringbuffer *rbuf); - -#define FCI_RINGBUFFER_PEEK(rbuf, offs) \ - ((rbuf)->data[((rbuf)->pread+(offs)) % (rbuf)->size]) - -#define FCI_RINGBUFFER_SKIP(rbuf, num) \ - ((rbuf)->pread = ((rbuf)->pread+(num)) % (rbuf)->size) - -extern ssize_t fci_ringbuffer_read_user(struct fci_ringbuffer *rbuf -, u8 __user *buf, size_t len); - -extern void fci_ringbuffer_read(struct fci_ringbuffer *rbuf - , u8 *buf, size_t len); - - -#define FCI_RINGBUFFER_WRITE_BYTE(rbuf, byte) \ - { (rbuf)->data[(rbuf)->pwrite] = (byte); \ - (rbuf)->pwrite = ((rbuf)->pwrite + 1) % (rbuf)->size; } - -extern ssize_t fci_ringbuffer_write(struct fci_ringbuffer *rbuf - , const u8 *buf, size_t len); - -extern ssize_t fci_ringbuffer_pkt_write(struct fci_ringbuffer *rbuf - , u8 *buf, size_t len); - -extern ssize_t fci_ringbuffer_pkt_read_user(struct fci_ringbuffer *rbuf - , size_t idx, int offset, u8 __user *buf, size_t len); - -extern ssize_t fci_ringbuffer_pkt_read(struct fci_ringbuffer *rbuf - , size_t idx, int offset, u8 *buf, size_t len); - -extern void fci_ringbuffer_pkt_dispose(struct fci_ringbuffer *rbuf, size_t idx); - -extern ssize_t fci_ringbuffer_pkt_next(struct fci_ringbuffer *rbuf - , size_t idx, size_t *pktlen); - -#ifdef __cplusplus -} -#endif - -#endif |