drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/fifo_monitor_local.h

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2010-2015, 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 __FIFO_MONITOR_LOCAL_H_INCLUDED__
  16 #define __FIFO_MONITOR_LOCAL_H_INCLUDED__
  17
  18 #include <type_support.h>
  19 #include "fifo_monitor_global.h"
  20
  21 #include "hive_isp_css_defs.h"  /* ISP_STR_MON_PORT_SND_SP, ... */
  22
  23 #define _hive_str_mon_valid_offset   0
  24 #define _hive_str_mon_accept_offset  1
  25
  26 #define FIFO_CHANNEL_SP_VALID_MASK              0x55555555
  27 #define FIFO_CHANNEL_SP_VALID_B_MASK    0x00000055
  28 #define FIFO_CHANNEL_ISP_VALID_MASK             0x15555555
  29 #define FIFO_CHANNEL_MOD_VALID_MASK             0x55555555
  30
  31 typedef enum fifo_switch {
  32         FIFO_SWITCH_IF,
  33         FIFO_SWITCH_GDC0,
  34         FIFO_SWITCH_GDC1,
  35         N_FIFO_SWITCH
  36 } fifo_switch_t;
  37
  38 typedef enum fifo_channel {
  39         FIFO_CHANNEL_ISP0_TO_SP0,
  40         FIFO_CHANNEL_SP0_TO_ISP0,
  41         FIFO_CHANNEL_ISP0_TO_IF0,
  42         FIFO_CHANNEL_IF0_TO_ISP0,
  43         FIFO_CHANNEL_ISP0_TO_IF1,
  44         FIFO_CHANNEL_IF1_TO_ISP0,
  45         FIFO_CHANNEL_ISP0_TO_DMA0,
  46         FIFO_CHANNEL_DMA0_TO_ISP0,
  47         FIFO_CHANNEL_ISP0_TO_GDC0,
  48         FIFO_CHANNEL_GDC0_TO_ISP0,
  49         FIFO_CHANNEL_ISP0_TO_GDC1,
  50         FIFO_CHANNEL_GDC1_TO_ISP0,
  51         FIFO_CHANNEL_ISP0_TO_HOST0,
  52         FIFO_CHANNEL_HOST0_TO_ISP0,
  53         FIFO_CHANNEL_SP0_TO_IF0,
  54         FIFO_CHANNEL_IF0_TO_SP0,
  55         FIFO_CHANNEL_SP0_TO_IF1,
  56         FIFO_CHANNEL_IF1_TO_SP0,
  57         FIFO_CHANNEL_SP0_TO_IF2,
  58         FIFO_CHANNEL_IF2_TO_SP0,
  59         FIFO_CHANNEL_SP0_TO_DMA0,
  60         FIFO_CHANNEL_DMA0_TO_SP0,
  61         FIFO_CHANNEL_SP0_TO_GDC0,
  62         FIFO_CHANNEL_GDC0_TO_SP0,
  63         FIFO_CHANNEL_SP0_TO_GDC1,
  64         FIFO_CHANNEL_GDC1_TO_SP0,
  65         FIFO_CHANNEL_SP0_TO_HOST0,
  66         FIFO_CHANNEL_HOST0_TO_SP0,
  67         FIFO_CHANNEL_SP0_TO_STREAM2MEM0,
  68         FIFO_CHANNEL_STREAM2MEM0_TO_SP0,
  69         FIFO_CHANNEL_SP0_TO_INPUT_SYSTEM0,
  70         FIFO_CHANNEL_INPUT_SYSTEM0_TO_SP0,
  71 /*
  72  * No clue what this is
  73  *
  74         FIFO_CHANNEL_SP0_TO_IRQ0,
  75         FIFO_CHANNEL_IRQ0_TO_SP0,
  76  */
  77         N_FIFO_CHANNEL
  78 } fifo_channel_t;
  79
  80 struct fifo_channel_state_s {
  81         bool    src_valid;
  82         bool    fifo_accept;
  83         bool    fifo_valid;
  84         bool    sink_accept;
  85 };
  86
  87 /* The switch is tri-state */
  88 struct fifo_switch_state_s {
  89         bool    is_none;
  90         bool    is_isp;
  91         bool    is_sp;
  92 };
  93
  94 struct fifo_monitor_state_s {
  95         struct fifo_channel_state_s     fifo_channels[N_FIFO_CHANNEL];
  96         struct fifo_switch_state_s      fifo_switches[N_FIFO_SWITCH];
  97 };
  98
  99 #endif /* __FIFO_MONITOR_LOCAL_H_INCLUDED__ */