drivers/media/platform/sti/delta/delta-mjpeg-fw.h

   1 /*
   2  * Copyright (C) STMicroelectronics SA 2015
   3  * Author: Hugues Fruchet <hugues.fruchet@st.com> for STMicroelectronics.
   4  * License terms:  GNU General Public License (GPL), version 2
   5  */
   6
   7 #ifndef DELTA_MJPEG_FW_H
   8 #define DELTA_MJPEG_FW_H
   9
  10 /*
  11  * struct jpeg_decoded_buffer_address_t
  12  *
  13  * defines the addresses where the decoded picture/additional
  14  * info related to the block structures will be stored
  15  *
  16  * @display_luma_p:             address of the luma buffer
  17  * @display_chroma_p:           address of the chroma buffer
  18  */
  19 struct jpeg_decoded_buffer_address_t {
  20         u32 luma_p;
  21         u32 chroma_p;
  22 };
  23
  24 /*
  25  * struct jpeg_display_buffer_address_t
  26  *
  27  * defines the addresses (used by the Display Reconstruction block)
  28  * where the pictures to be displayed will be stored
  29  *
  30  * @struct_size:                size of the structure in bytes
  31  * @display_luma_p:             address of the luma buffer
  32  * @display_chroma_p:           address of the chroma buffer
  33  * @display_decimated_luma_p:   address of the decimated luma buffer
  34  * @display_decimated_chroma_p: address of the decimated chroma buffer
  35  */
  36 struct jpeg_display_buffer_address_t {
  37         u32 struct_size;
  38         u32 display_luma_p;
  39         u32 display_chroma_p;
  40         u32 display_decimated_luma_p;
  41         u32 display_decimated_chroma_p;
  42 };
  43
  44 /*
  45  * used for enabling main/aux outputs for both display &
  46  * reference reconstruction blocks
  47  */
  48 enum jpeg_rcn_ref_disp_enable_t {
  49         /* enable decimated (for display) reconstruction */
  50         JPEG_DISP_AUX_EN = 0x00000010,
  51         /* enable main (for display) reconstruction */
  52         JPEG_DISP_MAIN_EN = 0x00000020,
  53         /* enable both main & decimated (for display) reconstruction */
  54         JPEG_DISP_AUX_MAIN_EN = 0x00000030,
  55         /* enable only reference output(ex. for trick modes) */
  56         JPEG_REF_MAIN_EN = 0x00000100,
  57         /*
  58          * enable reference output with decimated
  59          * (for display) reconstruction
  60          */
  61         JPEG_REF_MAIN_DISP_AUX_EN = 0x00000110,
  62         /*
  63          * enable reference output with main
  64          * (for display) reconstruction
  65          */
  66         JPEG_REF_MAIN_DISP_MAIN_EN = 0x00000120,
  67         /*
  68          * enable reference output with main & decimated
  69          * (for display) reconstruction
  70          */
  71         JPEG_REF_MAIN_DISP_MAIN_AUX_EN = 0x00000130
  72 };
  73
  74 /* identifies the horizontal decimation factor */
  75 enum jpeg_horizontal_deci_factor_t {
  76         /* no resize */
  77         JPEG_HDEC_1 = 0x00000000,
  78         /* Advanced H/2 resize using improved 8-tap filters */
  79         JPEG_HDEC_ADVANCED_2 = 0x00000101,
  80         /* Advanced H/4 resize using improved 8-tap filters */
  81         JPEG_HDEC_ADVANCED_4 = 0x00000102
  82 };
  83
  84 /* identifies the vertical decimation factor */
  85 enum jpeg_vertical_deci_factor_t {
  86         /* no resize */
  87         JPEG_VDEC_1 = 0x00000000,
  88         /* V/2 , progressive resize */
  89         JPEG_VDEC_ADVANCED_2_PROG = 0x00000204,
  90         /* V/2 , interlaced resize */
  91         JPEG_VDEC_ADVANCED_2_INT = 0x000000208
  92 };
  93
  94 /* status of the decoding process */
  95 enum jpeg_decoding_error_t {
  96         JPEG_DECODER_NO_ERROR = 0,
  97         JPEG_DECODER_UNDEFINED_HUFF_TABLE = 1,
  98         JPEG_DECODER_UNSUPPORTED_MARKER = 2,
  99         JPEG_DECODER_UNABLE_ALLOCATE_MEMORY = 3,
 100         JPEG_DECODER_NON_SUPPORTED_SAMP_FACTORS = 4,
 101         JPEG_DECODER_BAD_PARAMETER = 5,
 102         JPEG_DECODER_DECODE_ERROR = 6,
 103         JPEG_DECODER_BAD_RESTART_MARKER = 7,
 104         JPEG_DECODER_UNSUPPORTED_COLORSPACE = 8,
 105         JPEG_DECODER_BAD_SOS_SPECTRAL = 9,
 106         JPEG_DECODER_BAD_SOS_SUCCESSIVE = 10,
 107         JPEG_DECODER_BAD_HEADER_LENGTH = 11,
 108         JPEG_DECODER_BAD_COUNT_VALUE = 12,
 109         JPEG_DECODER_BAD_DHT_MARKER = 13,
 110         JPEG_DECODER_BAD_INDEX_VALUE = 14,
 111         JPEG_DECODER_BAD_NUMBER_HUFFMAN_TABLES = 15,
 112         JPEG_DECODER_BAD_QUANT_TABLE_LENGTH = 16,
 113         JPEG_DECODER_BAD_NUMBER_QUANT_TABLES = 17,
 114         JPEG_DECODER_BAD_COMPONENT_COUNT = 18,
 115         JPEG_DECODER_DIVIDE_BY_ZERO_ERROR = 19,
 116         JPEG_DECODER_NOT_JPG_IMAGE = 20,
 117         JPEG_DECODER_UNSUPPORTED_ROTATION_ANGLE = 21,
 118         JPEG_DECODER_UNSUPPORTED_SCALING = 22,
 119         JPEG_DECODER_INSUFFICIENT_OUTPUTBUFFER_SIZE = 23,
 120         JPEG_DECODER_BAD_HWCFG_GP_VERSION_VALUE = 24,
 121         JPEG_DECODER_BAD_VALUE_FROM_RED = 25,
 122         JPEG_DECODER_BAD_SUBREGION_PARAMETERS = 26,
 123         JPEG_DECODER_PROGRESSIVE_DECODE_NOT_SUPPORTED = 27,
 124         JPEG_DECODER_ERROR_TASK_TIMEOUT = 28,
 125         JPEG_DECODER_ERROR_FEATURE_NOT_SUPPORTED = 29
 126 };
 127
 128 /* identifies the decoding mode */
 129 enum jpeg_decoding_mode_t {
 130         JPEG_NORMAL_DECODE = 0,
 131 };
 132
 133 enum jpeg_additional_flags_t {
 134         JPEG_ADDITIONAL_FLAG_NONE = 0,
 135         /* request firmware to return values of the CEH registers */
 136         JPEG_ADDITIONAL_FLAG_CEH = 1,
 137         /* output storage of auxiliary reconstruction in Raster format. */
 138         JPEG_ADDITIONAL_FLAG_RASTER = 64,
 139         /* output storage of auxiliary reconstruction in 420MB format. */
 140         JPEG_ADDITIONAL_FLAG_420MB = 128
 141 };
 142
 143 /*
 144  * struct jpeg_video_decode_init_params_t - initialization command parameters
 145  *
 146  * @circular_buffer_begin_addr_p:       start address of fw circular buffer
 147  * @circular_buffer_end_addr_p:         end address of fw circular buffer
 148  */
 149 struct jpeg_video_decode_init_params_t {
 150         u32 circular_buffer_begin_addr_p;
 151         u32 circular_buffer_end_addr_p;
 152         u32 reserved;
 153 };
 154
 155 /*
 156  * struct jpeg_decode_params_t - decode command parameters
 157  *
 158  * @picture_start_addr_p:       start address of jpeg picture
 159  * @picture_end_addr_p:         end address of jpeg picture
 160  * @decoded_buffer_addr:        decoded picture buffer
 161  * @display_buffer_addr:        display picture buffer
 162  * @main_aux_enable:            enable main and/or aux outputs
 163  * @horizontal_decimation_factor:horizontal decimation factor
 164  * @vertical_decimation_factor: vertical decimation factor
 165  * @xvalue0:                    the x(0) coordinate for subregion decoding
 166  * @xvalue1:                    the x(1) coordinate for subregion decoding
 167  * @yvalue0:                    the y(0) coordinate for subregion decoding
 168  * @yvalue1:                    the y(1) coordinate for subregion decoding
 169  * @decoding_mode:              decoding mode
 170  * @additional_flags:           additional flags
 171  * @field_flag:                 determines frame/field scan
 172  * @is_jpeg_image:              1 = still jpeg, 0 = motion jpeg
 173  */
 174 struct jpeg_decode_params_t {
 175         u32 picture_start_addr_p;
 176         u32 picture_end_addr_p;
 177         struct jpeg_decoded_buffer_address_t decoded_buffer_addr;
 178         struct jpeg_display_buffer_address_t display_buffer_addr;
 179         enum jpeg_rcn_ref_disp_enable_t main_aux_enable;
 180         enum jpeg_horizontal_deci_factor_t horizontal_decimation_factor;
 181         enum jpeg_vertical_deci_factor_t vertical_decimation_factor;
 182         u32 xvalue0;
 183         u32 xvalue1;
 184         u32 yvalue0;
 185         u32 yvalue1;
 186         enum jpeg_decoding_mode_t decoding_mode;
 187         u32 additional_flags;
 188         u32 field_flag;
 189         u32 reserved;
 190         u32 is_jpeg_image;
 191 };
 192
 193 /*
 194  * struct jpeg_decode_return_params_t
 195  *
 196  * status returned by firmware after decoding
 197  *
 198  * @decode_time_in_us:  decoding time in microseconds
 199  * @pm_cycles:          profiling information
 200  * @pm_dmiss:           profiling information
 201  * @pm_imiss:           profiling information
 202  * @pm_bundles:         profiling information
 203  * @pm_pft:             profiling information
 204  * @error_code:         status of the decoding process
 205  * @ceh_registers:      array where values of the Contrast Enhancement
 206  *                      Histogram (CEH) registers will be stored.
 207  *                      ceh_registers[0] correspond to register MBE_CEH_0_7,
 208  *                      ceh_registers[1] correspond to register MBE_CEH_8_15
 209  *                      ceh_registers[2] correspond to register MBE_CEH_16_23
 210  *                      Note that elements of this array will be updated only
 211  *                      if additional_flags has JPEG_ADDITIONAL_FLAG_CEH set.
 212  */
 213 struct jpeg_decode_return_params_t {
 214         /* profiling info */
 215         u32 decode_time_in_us;
 216         u32 pm_cycles;
 217         u32 pm_dmiss;
 218         u32 pm_imiss;
 219         u32 pm_bundles;
 220         u32 pm_pft;
 221         enum jpeg_decoding_error_t error_code;
 222         u32 ceh_registers[32];
 223 };
 224
 225 #endif /* DELTA_MJPEG_FW_H */