LXR linux/drivers/staging/media/atomisp/pci/isp2400_input_system

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Support for Intel Camera Imaging ISP subsystem.
   4 * Copyright (c) 2015, Intel Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 */
  15
  16#include <type_support.h>
  17
  18//CSI reveiver has 3 ports.
  19#define         N_CSI_PORTS (3)
  20//AM: Use previous define for this.
  21
  22//MIPI allows upto 4 channels.
  23#define         N_CHANNELS  (4)
  24// 12KB = 256bit x 384 words
  25#define         IB_CAPACITY_IN_WORDS (384)
  26
  27typedef enum {
  28        MIPI_0LANE_CFG = 0,
  29        MIPI_1LANE_CFG = 1,
  30        MIPI_2LANE_CFG = 2,
  31        MIPI_3LANE_CFG = 3,
  32        MIPI_4LANE_CFG = 4
  33} mipi_lane_cfg_t;
  34
  35typedef enum {
  36        INPUT_SYSTEM_SOURCE_SENSOR = 0,
  37        INPUT_SYSTEM_SOURCE_FIFO,
  38        INPUT_SYSTEM_SOURCE_TPG,
  39        INPUT_SYSTEM_SOURCE_PRBS,
  40        INPUT_SYSTEM_SOURCE_MEMORY,
  41        N_INPUT_SYSTEM_SOURCE
  42} input_system_source_t;
  43
  44/* internal routing configuration */
  45typedef enum {
  46        INPUT_SYSTEM_DISCARD_ALL = 0,
  47        INPUT_SYSTEM_CSI_BACKEND = 1,
  48        INPUT_SYSTEM_INPUT_BUFFER = 2,
  49        INPUT_SYSTEM_MULTICAST = 3,
  50        N_INPUT_SYSTEM_CONNECTION
  51} input_system_connection_t;
  52
  53typedef enum {
  54        INPUT_SYSTEM_MIPI_PORT0,
  55        INPUT_SYSTEM_MIPI_PORT1,
  56        INPUT_SYSTEM_MIPI_PORT2,
  57        INPUT_SYSTEM_ACQUISITION_UNIT,
  58        N_INPUT_SYSTEM_MULTIPLEX
  59} input_system_multiplex_t;
  60
  61typedef enum {
  62        INPUT_SYSTEM_SINK_MEMORY = 0,
  63        INPUT_SYSTEM_SINK_ISP,
  64        INPUT_SYSTEM_SINK_SP,
  65        N_INPUT_SYSTEM_SINK
  66} input_system_sink_t;
  67
  68typedef enum {
  69        INPUT_SYSTEM_FIFO_CAPTURE = 0,
  70        INPUT_SYSTEM_FIFO_CAPTURE_WITH_COUNTING,
  71        INPUT_SYSTEM_SRAM_BUFFERING,
  72        INPUT_SYSTEM_XMEM_BUFFERING,
  73        INPUT_SYSTEM_XMEM_CAPTURE,
  74        INPUT_SYSTEM_XMEM_ACQUIRE,
  75        N_INPUT_SYSTEM_BUFFERING_MODE
  76} buffering_mode_t;
  77
  78typedef struct isp2400_input_system_cfg_s       input_system_cfg_t;
  79typedef struct sync_generator_cfg_s     sync_generator_cfg_t;
  80typedef struct tpg_cfg_s                        tpg_cfg_t;
  81typedef struct prbs_cfg_s                       prbs_cfg_t;
  82
  83/* MW: uint16_t should be sufficient */
  84struct isp2400_input_system_cfg_s {
  85        u32     no_side_band;
  86        u32     fmt_type;
  87        u32     ch_id;
  88        u32     input_mode;
  89};
  90
  91struct sync_generator_cfg_s {
  92        u32     width;
  93        u32     height;
  94        u32     hblank_cycles;
  95        u32     vblank_cycles;
  96};
  97
  98/* MW: tpg & prbs are exclusive */
  99struct tpg_cfg_s {
 100        u32     x_mask;
 101        u32     y_mask;
 102        u32     x_delta;
 103        u32     y_delta;
 104        u32     xy_mask;
 105        sync_generator_cfg_t sync_gen_cfg;
 106};
 107
 108struct prbs_cfg_s {
 109        u32     seed;
 110        sync_generator_cfg_t sync_gen_cfg;
 111};
 112
 113struct gpfifo_cfg_s {
 114// TBD.
 115        sync_generator_cfg_t sync_gen_cfg;
 116};
 117
 118typedef struct gpfifo_cfg_s             gpfifo_cfg_t;
 119
 120//ALX:Commented out to pass the compilation.
 121//typedef struct isp2400_input_system_cfg_s input_system_cfg_t;
 122
 123struct ib_buffer_s {
 124        u32     mem_reg_size;
 125        u32     nof_mem_regs;
 126        u32     mem_reg_addr;
 127};
 128
 129typedef struct ib_buffer_s      isp2400_ib_buffer_t;
 130
 131struct csi_cfg_s {
 132        u32                     csi_port;
 133        buffering_mode_t        buffering_mode;
 134        isp2400_ib_buffer_t     csi_buffer;
 135        isp2400_ib_buffer_t     acquisition_buffer;
 136        u32                     nof_xmem_buffers;
 137};
 138
 139typedef struct csi_cfg_s         csi_cfg_t;
 140
 141typedef enum {
 142        INPUT_SYSTEM_CFG_FLAG_RESET     = 0,
 143        INPUT_SYSTEM_CFG_FLAG_SET               = 1U << 0,
 144        INPUT_SYSTEM_CFG_FLAG_BLOCKED   = 1U << 1,
 145        INPUT_SYSTEM_CFG_FLAG_REQUIRED  = 1U << 2,
 146        INPUT_SYSTEM_CFG_FLAG_CONFLICT  = 1U << 3       // To mark a conflicting configuration.
 147} isp2400_input_system_cfg_flag_t;
 148
 149typedef u32 input_system_config_flags_t;
 150