From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- drivers/misc/mdbg/mdbg_ring.h | 54 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 drivers/misc/mdbg/mdbg_ring.h (limited to 'drivers/misc/mdbg/mdbg_ring.h') diff --git a/drivers/misc/mdbg/mdbg_ring.h b/drivers/misc/mdbg/mdbg_ring.h new file mode 100644 index 00000000..f09d3513 --- /dev/null +++ b/drivers/misc/mdbg/mdbg_ring.h @@ -0,0 +1,54 @@ +/************************************************************************************************************ */ +/*****Copyright: 2014 Spreatrum. All Right Reserved */ +/*****File: mdbg_ring.h */ +/*****Description: Marlin Debug System ring buffer definition. */ +/*****Developer: fan.kou@spreadtrum.com */ +/*****Date: 06/01/2014 */ +/************************************************************************************************************ */ + +#ifndef _MDBG_RING_H +#define _MDBG_RING_H + +/*******************************************************/ +/*********************INCLUDING********************/ +/*******************************************************/ +#include "mdbg_type.h" +#include + +/*******************************************************/ +/******************Macor Definitions****************/ +/*******************************************************/ +#define MDBG_RING_R 0 +#define MDBG_RING_W 1 + +#define MDBG_RING_MIN_SIZE (1024 * 4) + +#define MDBG_RING_LOCK_SIZE (sizeof(mdbg_ring_lock)) + + +/*******************************************************/ +/******************Type Definitions*****************/ +/*******************************************************/ +typedef struct mutex mdbg_ring_lock; + +typedef struct mdbg_ring_t { + MDBG_SIZE_T size; + char * pbuff; + char* rp; + char* wp; + char* end; + mdbg_ring_lock* plock; +}MDBG_RING_T; + +/*******************************************************/ +/***********Public Interface Declaration************/ +/*******************************************************/ +MDBG_RING_T* mdbg_ring(MDBG_SIZE_T size); +void mdbg_ring_destroy(MDBG_RING_T* pRing); +int mdbg_ring_read(MDBG_RING_T* pRing, char* buf, int len); +int mdbg_ring_write(MDBG_RING_T* pRing, char* buf, int len); +char* mdbg_ring_write_ext(MDBG_RING_T* pRing, MDBG_SIZE_T len); +bool mdbg_ring_will_full(MDBG_RING_T* pRing, int len); + +#endif + -- cgit v1.3.1