drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_shared/socket_global.h

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  */
  14
  15 #ifndef __SOCKET_GLOBAL_H_INCLUDED__
  16 #define __SOCKET_GLOBAL_H_INCLUDED__
  17
  18 #include "stream_buffer.h"
  19
  20 /* define the socket port direction */
  21 typedef enum {
  22         SOCKET_PORT_DIRECTION_NULL,
  23         SOCKET_PORT_DIRECTION_IN,
  24         SOCKET_PORT_DIRECTION_OUT
  25 } socket_port_direction_t;
  26
  27 /* pointer to the port's callout function */
  28 typedef void (*socket_port_callout_fp)(void);
  29 typedef struct socket_port_s socket_port_t;
  30 typedef struct socket_s socket_t;
  31
  32 /* data structure of the socket port */
  33 struct socket_port_s {
  34         unsigned                                channel;        /* the port entity */
  35         socket_port_direction_t direction;      /* the port direction */
  36         socket_port_callout_fp  callout;        /* the port callout function */
  37
  38         socket_t                                *socket;        /* point to the socket */
  39
  40         struct {
  41                 unsigned data;
  42         } buf;                                                          /* the buffer at the port */
  43 };
  44
  45 /* data structure of the socket */
  46 struct socket_s {
  47         socket_port_t   *in;    /* the in-direction port */
  48         socket_port_t   *out;   /* the out-direction port */
  49         stream_buffer_t buf;    /* the buffer between in-ports and out-ports */
  50 };
  51
  52 #endif /* __SOCKET_GLOBAL_H_INCLUDED__ */
  53