include/s5p_fimc_v4l2.h

   1 /* Copyright(c) 2011 Samsung Electronics Co, Ltd.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 as
   5  * published by the Free Software Foundation.
   6  *
   7  * Alternatively, Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18 */
  19
  20 #ifndef _S5P_FIMC_H_
  21 #define _S5P_FIMC_H_
  22
  23 #include <linux/videodev2.h>
  24 #include <linux/videodev2_exynos_media.h>
  25
  26 /*
  27  * G E N E R A L S
  28  *
  29 */
  30
  31 /*
  32  * P I X E L   F O R M A T   G U I D E
  33  *
  34  * The 'x' means 'DO NOT CARE'
  35  * The '*' means 'FIMC SPECIFIC'
  36  * For some fimc formats, we couldn't find equivalent format in the V4L2 FOURCC.
  37  *
  38  * FIMC TYPE    PLANES  ORDER       V4L2_PIX_FMT
  39  * ---------------------------------------------------------
  40  * RGB565   x   x       V4L2_PIX_FMT_RGB565
  41  * RGB888   x   x       V4L2_PIX_FMT_RGB24
  42  * YUV420   2   LSB_CBCR    V4L2_PIX_FMT_NV12
  43  * YUV420   2   LSB_CRCB    V4L2_PIX_FMT_NV21
  44  * YUV420   2   MSB_CBCR    V4L2_PIX_FMT_NV21X*
  45  * YUV420   2   MSB_CRCB    V4L2_PIX_FMT_NV12X*
  46  * YUV420   3   x       V4L2_PIX_FMT_YUV420
  47  * YUV422   1   YCBYCR      V4L2_PIX_FMT_YUYV
  48  * YUV422   1   YCRYCB      V4L2_PIX_FMT_YVYU
  49  * YUV422   1   CBYCRY      V4L2_PIX_FMT_UYVY
  50  * YUV422   1   CRYCBY      V4L2_PIX_FMT_VYUY*
  51  * YUV422   2   LSB_CBCR    V4L2_PIX_FMT_NV16*
  52  * YUV422   2   LSB_CRCB    V4L2_PIX_FMT_NV61*
  53  * YUV422   2   MSB_CBCR    V4L2_PIX_FMT_NV16X*
  54  * YUV422   2   MSB_CRCB    V4L2_PIX_FMT_NV61X*
  55  * YUV422   3   x       V4L2_PIX_FMT_YUV422P
  56  *
  57 */
  58
  59 /*
  60  * V 4 L 2   F I M C   E X T E N S I O N S
  61  *
  62 */
  63 /* FOURCC for FIMC specific */
  64 #define V4L2_PIX_FMT_NV12X      v4l2_fourcc('N', '1', '2', 'X')
  65 #define V4L2_PIX_FMT_NV21X      v4l2_fourcc('N', '2', '1', 'X')
  66 #define V4L2_PIX_FMT_NV16X      v4l2_fourcc('N', '1', '6', 'X')
  67 #define V4L2_PIX_FMT_NV61X      v4l2_fourcc('N', '6', '1', 'X')
  68
  69 /* CID extensions */
  70 #define V4L2_CID_ROTATION       (V4L2_CID_PRIVATE_BASE + 0)
  71 #define V4L2_CID_OVLY_MODE              (V4L2_CID_PRIVATE_BASE + 9)
  72 #define V4L2_CID_GET_PHY_SRC_YADDR  (V4L2_CID_PRIVATE_BASE + 12)
  73 #define V4L2_CID_GET_PHY_SRC_CADDR  (V4L2_CID_PRIVATE_BASE + 13)
  74 #define V4L2_CID_RESERVED_MEM_BASE_ADDR (V4L2_CID_PRIVATE_BASE + 20)
  75 #define V4L2_CID_FIMC_VERSION       (V4L2_CID_PRIVATE_BASE + 21)
  76
  77 /*
  78  * U S E R   D E F I N E D   T Y P E S
  79  *
  80 */
  81 #define FIMC1_RESERVED_SIZE 32768
  82
  83 enum fimc_overlay_mode {
  84     FIMC_OVLY_NOT_FIXED       = 0x0,    /* Overlay mode isn't fixed. */
  85     FIMC_OVLY_FIFO            = 0x1,    /* Non-destructive Overlay with FIFO */
  86     FIMC_OVLY_DMA_AUTO        = 0x2,    /* Non-destructive Overlay with DMA */
  87     FIMC_OVLY_DMA_MANUAL      = 0x3,    /* Non-destructive Overlay with DMA */
  88     FIMC_OVLY_NONE_SINGLE_BUF = 0x4,    /* Destructive Overlay with DMA single destination buffer */
  89     FIMC_OVLY_NONE_MULTI_BUF  = 0x5,    /* Destructive Overlay with DMA multiple dstination buffer */
  90 };
  91
  92 typedef unsigned int dma_addr_t;
  93
  94 struct fimc_buf {
  95     dma_addr_t  base[3];
  96     size_t      size[3];
  97     int         planes;
  98 };
  99
 100 struct fimc_buffer {
 101     void    *virt_addr;
 102     void    *phys_addr;
 103     size_t  length;
 104 };
 105
 106 struct yuv_fmt_list {
 107     const char      *name;
 108     const char      *desc;
 109     unsigned int    fmt;
 110     int             bpp;
 111     int             planes;
 112 };
 113
 114 struct img_offset {
 115     int y_h;
 116     int y_v;
 117     int cb_h;
 118     int cb_v;
 119     int cr_h;
 120     int cr_v;
 121 };
 122
 123 //------------ STRUCT ---------------------------------------------------------//
 124
 125 typedef struct
 126 {
 127     unsigned int full_width;            // Source Image Full Width (Virtual screen size)
 128     unsigned int full_height;           // Source Image Full Height (Virtual screen size)
 129     unsigned int start_x;               // Source Image Start width offset
 130     unsigned int start_y;               // Source Image Start height offset
 131     unsigned int width;                 // Source Image Width
 132     unsigned int height;                // Source Image Height
 133     unsigned int buf_addr_phy_rgb_y;    // Base Address of the Source Image (RGB or Y): Physical Address
 134     unsigned int buf_addr_phy_cb;       // Base Address of the Source Image (CB Component) : Physical Address
 135     unsigned int buf_addr_phy_cr;       // Base Address of the Source Image (CR Component) : Physical Address
 136     unsigned int color_space;           // Color Space of the Source Image
 137     unsigned int planes;                // number of planes for the Image
 138 } s5p_fimc_img_info;
 139
 140 typedef struct
 141 {
 142     s5p_fimc_img_info   src;
 143     s5p_fimc_img_info   dst;
 144 } s5p_fimc_params_t;
 145
 146 typedef struct _s5p_fimc_t {
 147     int                 dev_fd;
 148     struct fimc_buffer  out_buf;
 149
 150     s5p_fimc_params_t   params;
 151
 152     int                 use_ext_out_mem;
 153 } s5p_fimc_t;
 154
 155 #endif