drivers/staging/media/atomisp/pci/hive_isp_css_common/gdc_global.h

   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 #ifndef __GDC_GLOBAL_H_INCLUDED__
  17 #define __GDC_GLOBAL_H_INCLUDED__
  18
  19 #define IS_GDC_VERSION_2
  20
  21 #include <type_support.h>
  22 #include "gdc_v2_defs.h"
  23
  24 /*
  25  * Storage addresses for packed data transfer
  26  */
  27 #define GDC_PARAM_ICX_LEFT_ROUNDED_IDX            0
  28 #define GDC_PARAM_OXDIM_FLOORED_IDX               1
  29 #define GDC_PARAM_OXDIM_LAST_IDX                  2
  30 #define GDC_PARAM_WOIX_LAST_IDX                   3
  31 #define GDC_PARAM_IY_TOPLEFT_IDX                  4
  32 #define GDC_PARAM_CHUNK_CNT_IDX                   5
  33 /*#define GDC_PARAM_ELEMENTS_PER_XMEM_ADDR_IDX    6 */          /* Derived from bpp */
  34 #define GDC_PARAM_BPP_IDX                         6
  35 #define GDC_PARAM_BLOCK_HEIGHT_IDX                7
  36 /*#define GDC_PARAM_DMA_CHANNEL_STRIDE_A_IDX      8*/           /* The DMA stride == the GDC buffer stride */
  37 #define GDC_PARAM_WOIX_IDX                        8
  38 #define GDC_PARAM_DMA_CHANNEL_STRIDE_B_IDX        9
  39 #define GDC_PARAM_DMA_CHANNEL_WIDTH_A_IDX        10
  40 #define GDC_PARAM_DMA_CHANNEL_WIDTH_B_IDX        11
  41 #define GDC_PARAM_VECTORS_PER_LINE_IN_IDX        12
  42 #define GDC_PARAM_VECTORS_PER_LINE_OUT_IDX       13
  43 #define GDC_PARAM_VMEM_IN_DIMY_IDX               14
  44 #define GDC_PARAM_COMMAND_IDX                    15
  45 #define N_GDC_PARAM                              16
  46
  47 /* Because of the packed parameter transfer max(params) == max(fragments) */
  48 #define N_GDC_FRAGMENTS         N_GDC_PARAM
  49
  50 /* The GDC is capable of higher internal precision than the parameter data structures */
  51 #define HRT_GDC_COORD_SCALE_BITS        6
  52 #define HRT_GDC_COORD_SCALE                     BIT(HRT_GDC_COORD_SCALE_BITS)
  53
  54 typedef enum {
  55         GDC_CH0_ID = 0,
  56         N_GDC_CHANNEL_ID
  57 } gdc_channel_ID_t;
  58
  59 typedef enum {
  60         gdc_8_bpp  = 8,
  61         gdc_10_bpp = 10,
  62         gdc_12_bpp = 12,
  63         gdc_14_bpp = 14
  64 } gdc_bits_per_pixel_t;
  65
  66 typedef struct gdc_scale_param_mem_s {
  67         u16  params[N_GDC_PARAM];
  68         u16  ipx_start_array[N_GDC_PARAM];
  69         u16  ibuf_offset[N_GDC_PARAM];
  70         u16  obuf_offset[N_GDC_PARAM];
  71 } gdc_scale_param_mem_t;
  72
  73 typedef struct gdc_warp_param_mem_s {
  74         u32      origin_x;
  75         u32      origin_y;
  76         u32      in_addr_offset;
  77         u32      in_block_width;
  78         u32      in_block_height;
  79         u32      p0_x;
  80         u32      p0_y;
  81         u32      p1_x;
  82         u32      p1_y;
  83         u32      p2_x;
  84         u32      p2_y;
  85         u32      p3_x;
  86         u32      p3_y;
  87         u32      padding[3];
  88 } gdc_warp_param_mem_t;
  89
  90 #endif /* __GDC_GLOBAL_H_INCLUDED__ */