Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 903 insertions, 0 deletions

diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/hrt/PixelGen_SysBlock_defs.h b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/PixelGen_SysBlock_defs.h
new file mode 100644
index 000000000..ae471dd51
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/PixelGen_SysBlock_defs.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _PixelGen_SysBlock_defs_h
+#define _PixelGen_SysBlock_defs_h
+
+/* Parematers and User_Parameters for HSS */
+#define _PXG_PPC                       Ppc
+#define _PXG_PIXEL_BITS                PixelWidth
+#define _PXG_MAX_NOF_SID               MaxNofSids
+#define _PXG_DATA_BITS                 DataWidth
+#define _PXG_CNT_BITS                  CntWidth
+#define _PXG_FIFODEPTH                 FifoDepth
+#define _PXG_DBG                       Dbg_device_not_included
+
+/* ID's and Address */
+#define _PXG_ADRRESS_ALIGN_REG         4
+
+#define _PXG_COM_ENABLE_REG_IDX        0
+#define _PXG_PRBS_RSTVAL_REG0_IDX      1
+#define _PXG_PRBS_RSTVAL_REG1_IDX      2
+#define _PXG_SYNG_SID_REG_IDX          3
+#define _PXG_SYNG_FREE_RUN_REG_IDX     4
+#define _PXG_SYNG_PAUSE_REG_IDX        5
+#define _PXG_SYNG_NOF_FRAME_REG_IDX    6
+#define _PXG_SYNG_NOF_PIXEL_REG_IDX    7
+#define _PXG_SYNG_NOF_LINE_REG_IDX     8
+#define _PXG_SYNG_HBLANK_CYC_REG_IDX   9
+#define _PXG_SYNG_VBLANK_CYC_REG_IDX  10
+#define _PXG_SYNG_STAT_HCNT_REG_IDX   11
+#define _PXG_SYNG_STAT_VCNT_REG_IDX   12
+#define _PXG_SYNG_STAT_FCNT_REG_IDX   13
+#define _PXG_SYNG_STAT_DONE_REG_IDX   14
+#define _PXG_TPG_MODE_REG_IDX         15
+#define _PXG_TPG_HCNT_MASK_REG_IDX    16
+#define _PXG_TPG_VCNT_MASK_REG_IDX    17
+#define _PXG_TPG_XYCNT_MASK_REG_IDX   18
+#define _PXG_TPG_HCNT_DELTA_REG_IDX   19
+#define _PXG_TPG_VCNT_DELTA_REG_IDX   20
+#define _PXG_TPG_R1_REG_IDX           21
+#define _PXG_TPG_G1_REG_IDX           22
+#define _PXG_TPG_B1_REG_IDX           23
+#define _PXG_TPG_R2_REG_IDX           24
+#define _PXG_TPG_G2_REG_IDX           25
+#define _PXG_TPG_B2_REG_IDX           26
+/* */
+#define _PXG_SYNG_PAUSE_CYCLES        0
+/* Subblock ID's */
+#define _PXG_DISABLE_IDX              0
+#define _PXG_PRBS_IDX                 0
+#define _PXG_TPG_IDX                  1
+#define _PXG_SYNG_IDX                 2
+#define _PXG_SMUX_IDX                 3
+/* Register Widths */
+#define _PXG_COM_ENABLE_REG_WIDTH     2
+#define _PXG_COM_SRST_REG_WIDTH       4
+#define _PXG_PRBS_RSTVAL_REG0_WIDTH  31
+#define _PXG_PRBS_RSTVAL_REG1_WIDTH  31
+
+#define _PXG_SYNG_SID_REG_WIDTH        3
+
+#define _PXG_SYNG_FREE_RUN_REG_WIDTH   1
+#define _PXG_SYNG_PAUSE_REG_WIDTH      1
+/*
+#define _PXG_SYNG_NOF_FRAME_REG_WIDTH  <sync_gen_cnt_width>
+#define _PXG_SYNG_NOF_PIXEL_REG_WIDTH  <sync_gen_cnt_width>
+#define _PXG_SYNG_NOF_LINE_REG_WIDTH   <sync_gen_cnt_width>
+#define _PXG_SYNG_HBLANK_CYC_REG_WIDTH <sync_gen_cnt_width>
+#define _PXG_SYNG_VBLANK_CYC_REG_WIDTH <sync_gen_cnt_width>
+#define _PXG_SYNG_STAT_HCNT_REG_WIDTH  <sync_gen_cnt_width>
+#define _PXG_SYNG_STAT_VCNT_REG_WIDTH  <sync_gen_cnt_width>
+#define _PXG_SYNG_STAT_FCNT_REG_WIDTH  <sync_gen_cnt_width>
+*/
+#define _PXG_SYNG_STAT_DONE_REG_WIDTH  1
+#define _PXG_TPG_MODE_REG_WIDTH        2
+/*
+#define _PXG_TPG_HCNT_MASK_REG_WIDTH   <sync_gen_cnt_width>
+#define _PXG_TPG_VCNT_MASK_REG_WIDTH   <sync_gen_cnt_width>
+#define _PXG_TPG_XYCNT_MASK_REG_WIDTH  <pixle_width>
+*/
+#define _PXG_TPG_HCNT_DELTA_REG_WIDTH  4
+#define _PXG_TPG_VCNT_DELTA_REG_WIDTH  4
+/*
+#define _PXG_TPG_R1_REG_WIDTH          <pixle_width>
+#define _PXG_TPG_G1_REG_WIDTH          <pixle_width>
+#define _PXG_TPG_B1_REG_WIDTH          <pixle_width>
+#define _PXG_TPG_R2_REG_WIDTH          <pixle_width>
+#define _PXG_TPG_G2_REG_WIDTH          <pixle_width>
+#define _PXG_TPG_B2_REG_WIDTH          <pixle_width>
+*/
+#define _PXG_FIFO_DEPTH                2
+/* MISC */
+#define _PXG_ENABLE_REG_VAL            1
+#define _PXG_PRBS_ENABLE_REG_VAL       1
+#define _PXG_TPG_ENABLE_REG_VAL        2
+#define _PXG_SYNG_ENABLE_REG_VAL       4
+#define _PXG_FIFO_ENABLE_REG_VAL       8
+#define _PXG_PXL_BITS                 14
+#define _PXG_INVALID_FLAG              0xDEADBEEF
+#define _PXG_CAFE_FLAG                 0xCAFEBABE
+
+#endif /* _PixelGen_SysBlock_defs_h */
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/hrt/ibuf_cntrl_defs.h b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/ibuf_cntrl_defs.h
new file mode 100644
index 000000000..374466e6b
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/ibuf_cntrl_defs.h
@@ -0,0 +1,135 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _ibuf_cntrl_defs_h_
+#define _ibuf_cntrl_defs_h_
+
+#include <stream2mmio_defs.h>
+#include <dma_v2_defs.h>
+
+#define _IBUF_CNTRL_REG_ALIGN 4
+/* alignment of register banks, first bank are shared configuration and status registers: */
+#define _IBUF_CNTRL_PROC_REG_ALIGN        32
+
+/* the actual amount of configuration registers per proc: */
+#define _IBUF_CNTRL_CONFIG_REGS_PER_PROC 18
+/* the actual amount of shared configuration registers: */
+#define _IBUF_CNTRL_CONFIG_REGS_NO_PROC  0
+
+/* the actual amount of status registers per proc */
+#define _IBUF_CNTRL_STATUS_REGS_PER_PROC (_IBUF_CNTRL_CONFIG_REGS_PER_PROC + 10)
+/* the actual amount shared status registers */
+#define _IBUF_CNTRL_STATUS_REGS_NO_PROC  (_IBUF_CNTRL_CONFIG_REGS_NO_PROC + 2)
+
+/* time out bits, maximum time out value is 2^_IBUF_CNTRL_TIME_OUT_BITS - 1 */
+#define _IBUF_CNTRL_TIME_OUT_BITS         5
+
+/* command token definition */
+#define _IBUF_CNTRL_CMD_TOKEN_LSB          0
+#define _IBUF_CNTRL_CMD_TOKEN_MSB          1
+
+/* Str2MMIO defines */
+#define _IBUF_CNTRL_STREAM2MMIO_CMD_TOKEN_MSB        _STREAM2MMIO_CMD_TOKEN_CMD_MSB
+#define _IBUF_CNTRL_STREAM2MMIO_CMD_TOKEN_LSB        _STREAM2MMIO_CMD_TOKEN_CMD_LSB
+#define _IBUF_CNTRL_STREAM2MMIO_NUM_ITEMS_BITS       _STREAM2MMIO_PACK_NUM_ITEMS_BITS
+#define _IBUF_CNTRL_STREAM2MMIO_ACK_EOF_BIT          _STREAM2MMIO_PACK_ACK_EOF_BIT
+#define _IBUF_CNTRL_STREAM2MMIO_ACK_TOKEN_VALID_BIT  _STREAM2MMIO_ACK_TOKEN_VALID_BIT
+
+/* acknowledge token definition */
+#define _IBUF_CNTRL_ACK_TOKEN_STORES_IDX    0
+#define _IBUF_CNTRL_ACK_TOKEN_STORES_BITS   15
+#define _IBUF_CNTRL_ACK_TOKEN_ITEMS_IDX     (_IBUF_CNTRL_ACK_TOKEN_STORES_BITS + _IBUF_CNTRL_ACK_TOKEN_STORES_IDX)
+#define _IBUF_CNTRL_ACK_TOKEN_ITEMS_BITS    _STREAM2MMIO_PACK_NUM_ITEMS_BITS
+#define _IBUF_CNTRL_ACK_TOKEN_LSB          _IBUF_CNTRL_ACK_TOKEN_STORES_IDX
+#define _IBUF_CNTRL_ACK_TOKEN_MSB          (_IBUF_CNTRL_ACK_TOKEN_ITEMS_BITS + _IBUF_CNTRL_ACK_TOKEN_ITEMS_IDX - 1)
+/* bit 31 indicates a valid ack: */
+#define _IBUF_CNTRL_ACK_TOKEN_VALID_BIT    (_IBUF_CNTRL_ACK_TOKEN_ITEMS_BITS + _IBUF_CNTRL_ACK_TOKEN_ITEMS_IDX)
+
+/*shared registers:*/
+#define _IBUF_CNTRL_RECALC_WORDS_STATUS     0
+#define _IBUF_CNTRL_ARBITERS_STATUS         1
+
+#define _IBUF_CNTRL_SET_CRUN                2 /* NO PHYSICAL REGISTER!! Only used in HSS model */
+
+/*register addresses for each proc: */
+#define _IBUF_CNTRL_CMD                   0
+#define _IBUF_CNTRL_ACK                   1
+
+/* number of items (packets or words) per frame: */
+#define _IBUF_CNTRL_NUM_ITEMS_PER_STORE   2
+
+/* number of stores (packets or words) per store/buffer: */
+#define _IBUF_CNTRL_NUM_STORES_PER_FRAME  3
+
+/* the channel and command in the DMA */
+#define _IBUF_CNTRL_DMA_CHANNEL           4
+#define _IBUF_CNTRL_DMA_CMD               5
+
+/* the start address and stride of the buffers */
+#define _IBUF_CNTRL_BUFFER_START_ADDRESS  6
+#define _IBUF_CNTRL_BUFFER_STRIDE         7
+#define _IBUF_CNTRL_BUFFER_END_ADDRESS    8
+
+/* destination start address, stride and end address; should be the same as in the DMA */
+#define _IBUF_CNTRL_DEST_START_ADDRESS    9
+#define _IBUF_CNTRL_DEST_STRIDE           10
+#define _IBUF_CNTRL_DEST_END_ADDRESS      11
+
+/* send a frame sync or not, default 1 */
+#define _IBUF_CNTRL_SYNC_FRAME            12
+
+/* str2mmio cmds */
+#define _IBUF_CNTRL_STR2MMIO_SYNC_CMD     13
+#define _IBUF_CNTRL_STR2MMIO_STORE_CMD    14
+
+/* num elems p word*/
+#define _IBUF_CNTRL_SHIFT_ITEMS           15
+#define _IBUF_CNTRL_ELEMS_P_WORD_IBUF     16
+#define _IBUF_CNTRL_ELEMS_P_WORD_DEST     17
+
+/* STATUS */
+/* current frame and stores in buffer */
+#define _IBUF_CNTRL_CUR_STORES            18
+#define _IBUF_CNTRL_CUR_ACKS              19
+
+/* current buffer and destination address for DMA cmd's */
+#define _IBUF_CNTRL_CUR_S2M_IBUF_ADDR     20
+#define _IBUF_CNTRL_CUR_DMA_IBUF_ADDR     21
+#define _IBUF_CNTRL_CUR_DMA_DEST_ADDR     22
+#define _IBUF_CNTRL_CUR_ISP_DEST_ADDR     23
+
+#define _IBUF_CNTRL_CUR_NR_DMA_CMDS_SEND  24
+
+#define _IBUF_CNTRL_MAIN_CNTRL_STATE      25
+#define _IBUF_CNTRL_DMA_SYNC_STATE        26
+#define _IBUF_CNTRL_ISP_SYNC_STATE        27
+
+/*Commands: */
+#define _IBUF_CNTRL_CMD_STORE_FRAME_IDX     0
+#define _IBUF_CNTRL_CMD_ONLINE_IDX          1
+
+/* initialize, copy st_addr to cur_addr etc */
+#define _IBUF_CNTRL_CMD_INITIALIZE          0
+
+/* store an online frame (sync with ISP, use end cfg start, stride and end address: */
+#define _IBUF_CNTRL_CMD_STORE_ONLINE_FRAME  ((1 << _IBUF_CNTRL_CMD_STORE_FRAME_IDX) | (1 << _IBUF_CNTRL_CMD_ONLINE_IDX))
+
+/* store an offline frame (don't sync with ISP, requires start address as 2nd token, no end address: */
+#define _IBUF_CNTRL_CMD_STORE_OFFLINE_FRAME  BIT(_IBUF_CNTRL_CMD_STORE_FRAME_IDX)
+
+/* false command token, should be different then commands. Use online bit, not store frame: */
+#define _IBUF_CNTRL_FALSE_ACK               2
+
+#endif
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/hrt/mipi_backend_common_defs.h b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/mipi_backend_common_defs.h
new file mode 100644
index 000000000..ac8be2d49
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/mipi_backend_common_defs.h
@@ -0,0 +1,206 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _css_receiver_2400_common_defs_h_
+#define _css_receiver_2400_common_defs_h_
+#ifndef _mipi_backend_common_defs_h_
+#define _mipi_backend_common_defs_h_
+
+#define _HRT_CSS_RECEIVER_2400_GEN_SHORT_DATA_WIDTH     16
+#define _HRT_CSS_RECEIVER_2400_GEN_SHORT_CH_ID_WIDTH     2
+#define _HRT_CSS_RECEIVER_2400_GEN_SHORT_FMT_TYPE_WIDTH  3
+#define _HRT_CSS_RECEIVER_2400_GEN_SHORT_STR_REAL_WIDTH (_HRT_CSS_RECEIVER_2400_GEN_SHORT_DATA_WIDTH + _HRT_CSS_RECEIVER_2400_GEN_SHORT_CH_ID_WIDTH + _HRT_CSS_RECEIVER_2400_GEN_SHORT_FMT_TYPE_WIDTH)
+#define _HRT_CSS_RECEIVER_2400_GEN_SHORT_STR_WIDTH      32 /* use 32 to be compatibel with streaming monitor !, MSB's of interface are tied to '0' */
+
+/* Definition of data format ID at the interface CSS_receiver capture/acquisition units */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV420_8          24   /* 01 1000 YUV420 8-bit                                        */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV420_10         25   /* 01 1001  YUV420 10-bit                                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV420_8L         26   /* 01 1010   YUV420 8-bit legacy                               */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV422_8          30   /* 01 1110   YUV422 8-bit                                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV422_10         31   /* 01 1111   YUV422 10-bit                                     */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RGB444            32   /* 10 0000   RGB444                                            */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RGB555            33   /* 10 0001   RGB555                                            */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RGB565            34   /* 10 0010   RGB565                                            */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RGB666            35   /* 10 0011   RGB666                                            */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RGB888            36   /* 10 0100   RGB888                                            */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW6              40   /* 10 1000   RAW6                                              */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW7              41   /* 10 1001   RAW7                                              */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW8              42   /* 10 1010   RAW8                                              */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW10             43   /* 10 1011   RAW10                                             */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW12             44   /* 10 1100   RAW12                                             */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW14             45   /* 10 1101   RAW14                                             */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_1         48   /* 11 0000    JPEG [User Defined 8-bit Data Type 1]            */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_2         49   /* 11 0001    User Defined 8-bit Data Type 2                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_3         50   /* 11 0010    User Defined 8-bit Data Type 3                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_4         51   /* 11 0011    User Defined 8-bit Data Type 4                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_5         52   /* 11 0100    User Defined 8-bit Data Type 5                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_6         53   /* 11 0101    User Defined 8-bit Data Type 6                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_7         54   /* 11 0110    User Defined 8-bit Data Type 7                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_USR_DEF_8         55   /* 11 0111    User Defined 8-bit Data Type 8                   */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_Emb               18   /* 01 0010    embedded eight bit non image data                */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_SOF                0   /* 00 0000    frame start                                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_EOF                1   /* 00 0001    frame end                                        */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_SOL                2   /* 00 0010    line start                                       */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_EOL                3   /* 00 0011    line end                                         */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH1            8   /* 00 1000  Generic Short Packet Code 1                        */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH2            9   /* 00 1001    Generic Short Packet Code 2                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH3           10   /* 00 1010    Generic Short Packet Code 3                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH4           11   /* 00 1011    Generic Short Packet Code 4                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH5           12   /* 00 1100    Generic Short Packet Code 5                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH6           13   /* 00 1101    Generic Short Packet Code 6                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH7           14   /* 00 1110    Generic Short Packet Code 7                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_GEN_SH8           15   /* 00 1111    Generic Short Packet Code 8                      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV420_8_CSPS     28   /* 01 1100   YUV420 8-bit (Chroma Shifted Pixel Sampling)      */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_YUV420_10_CSPS    29   /* 01 1101   YUV420 10-bit (Chroma Shifted Pixel Sampling)     */
+/* used reserved mipi positions for these */
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW16             46
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW18             47
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW18_2           37
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_RAW18_3           38
+
+//_HRT_CSS_RECEIVER_2400_FMT_TYPE_CUSTOM 63
+#define _HRT_MIPI_BACKEND_FMT_TYPE_CUSTOM                       63
+
+#define _HRT_CSS_RECEIVER_2400_DATA_FORMAT_ID_WIDTH              6
+
+/* Definition of format_types at the interface CSS --> input_selector*/
+/* !! Changes here should be copied to systems/isp/isp_css/bin/conv_transmitter_cmd.tcl !! */
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RGB888           0  // 36 'h24
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RGB555           1  // 33 'h
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RGB444           2  // 32
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RGB565           3  // 34
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RGB666           4  // 35
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW8             5  // 42
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW10            6  // 43
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW6             7  // 40
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW7             8  // 41
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW12            9  // 43
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW14           10  // 45
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV420_8        11  // 30
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV420_10       12  // 25
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV422_8        13  // 30
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV422_10       14  // 31
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_1       15  // 48
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV420_8L       16  // 26
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_Emb             17  // 18
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_2       18  // 49
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_3       19  // 50
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_4       20  // 51
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_5       21  // 52
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_6       22  // 53
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_7       23  // 54
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_USR_DEF_8       24  // 55
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV420_8_CSPS   25  // 28
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_YUV420_10_CSPS  26  // 29
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW16           27  // ?
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW18           28  // ?
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW18_2         29  // ? Option 2 for depacketiser
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_RAW18_3         30  // ? Option 3 for depacketiser
+#define _HRT_CSS_RECEIVER_2400_FMT_TYPE_CUSTOM          31  // to signal custom decoding
+
+/* definition for state machine of data FIFO for decode different type of data */
+#define _HRT_CSS_RECEIVER_2400_YUV420_8_REPEAT_PTN                 1
+#define _HRT_CSS_RECEIVER_2400_YUV420_10_REPEAT_PTN                5
+#define _HRT_CSS_RECEIVER_2400_YUV420_8L_REPEAT_PTN                1
+#define _HRT_CSS_RECEIVER_2400_YUV422_8_REPEAT_PTN                 1
+#define _HRT_CSS_RECEIVER_2400_YUV422_10_REPEAT_PTN                5
+#define _HRT_CSS_RECEIVER_2400_RGB444_REPEAT_PTN                   2
+#define _HRT_CSS_RECEIVER_2400_RGB555_REPEAT_PTN                   2
+#define _HRT_CSS_RECEIVER_2400_RGB565_REPEAT_PTN                   2
+#define _HRT_CSS_RECEIVER_2400_RGB666_REPEAT_PTN                   9
+#define _HRT_CSS_RECEIVER_2400_RGB888_REPEAT_PTN                   3
+#define _HRT_CSS_RECEIVER_2400_RAW6_REPEAT_PTN                     3
+#define _HRT_CSS_RECEIVER_2400_RAW7_REPEAT_PTN                     7
+#define _HRT_CSS_RECEIVER_2400_RAW8_REPEAT_PTN                     1
+#define _HRT_CSS_RECEIVER_2400_RAW10_REPEAT_PTN                    5
+#define _HRT_CSS_RECEIVER_2400_RAW12_REPEAT_PTN                    3
+#define _HRT_CSS_RECEIVER_2400_RAW14_REPEAT_PTN                    7
+
+#define _HRT_CSS_RECEIVER_2400_MAX_REPEAT_PTN                      _HRT_CSS_RECEIVER_2400_RGB666_REPEAT_PTN
+
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_FMT_IDX                     0
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_FMT_WIDTH                   3
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_PRED_IDX                    3
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_PRED_WIDTH                  1
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_USD_BITS                    4  /* bits per USD type */
+
+#define _HRT_CSS_RECEIVER_2400_BE_RAW16_DATAID_IDX                 0
+#define _HRT_CSS_RECEIVER_2400_BE_RAW16_EN_IDX                     6
+#define _HRT_CSS_RECEIVER_2400_BE_RAW18_DATAID_IDX                 0
+#define _HRT_CSS_RECEIVER_2400_BE_RAW18_OPTION_IDX                 6
+#define _HRT_CSS_RECEIVER_2400_BE_RAW18_EN_IDX                     8
+
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_NO_COMP                     0
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_10_6_10                     1
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_10_7_10                     2
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_10_8_10                     3
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_12_6_12                     4
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_12_7_12                     5
+#define _HRT_CSS_RECEIVER_2400_BE_COMP_12_8_12                     6
+
+/* packet bit definition */
+#define _HRT_CSS_RECEIVER_2400_PKT_SOP_IDX                        32
+#define _HRT_CSS_RECEIVER_2400_PKT_SOP_BITS                        1
+#define _HRT_CSS_RECEIVER_2400_PKT_CH_ID_IDX                      22
+#define _HRT_CSS_RECEIVER_2400_PKT_CH_ID_BITS                      2
+#define _HRT_CSS_RECEIVER_2400_PKT_FMT_ID_IDX                     16
+#define _HRT_CSS_RECEIVER_2400_PKT_FMT_ID_BITS                     6
+#define _HRT_CSS_RECEIVER_2400_PH_DATA_FIELD_IDX                   0
+#define _HRT_CSS_RECEIVER_2400_PH_DATA_FIELD_BITS                 16
+#define _HRT_CSS_RECEIVER_2400_PKT_PAYLOAD_IDX                     0
+#define _HRT_CSS_RECEIVER_2400_PKT_PAYLOAD_BITS                   32
+
+/*************************************************************************************************/
+/* Custom Decoding                                                                               */
+/* These Custom Defs are defined based on design-time config in "mipi_backend_pixel_formatter.chdl" !! */
+/*************************************************************************************************/
+/*
+#define BE_CUST_EN_IDX                     0     // 2bits
+#define BE_CUST_EN_DATAID_IDX              2     // 6bits MIPI DATA ID
+#define BE_CUST_EN_WIDTH                   8
+#define BE_CUST_MODE_ALL                   1     // Enable Custom Decoding for all DATA IDs
+#define BE_CUST_MODE_ONE                   3     // Enable Custom Decoding for ONE DATA ID, programmed in CUST_EN_DATA_ID
+
+// Data State config = {get_bits(6bits), valid(1bit)}  //
+#define BE_CUST_DATA_STATE_S0_IDX          0     // 7bits
+#define BE_CUST_DATA_STATE_S1_IDX          8 //7      // 7bits
+#define BE_CUST_DATA_STATE_S2_IDX          16//14    // 7bits /
+#define BE_CUST_DATA_STATE_WIDTH           24//21
+#define BE_CUST_DATA_STATE_VALID_IDX       0     // 1bits
+#define BE_CUST_DATA_STATE_GETBITS_IDX     1     // 6bits
+
+// Pixel Extractor config
+#define BE_CUST_PIX_EXT_DATA_ALIGN_IDX     0     // 6bits
+#define BE_CUST_PIX_EXT_PIX_ALIGN_IDX      6//5     // 5bits
+#define BE_CUST_PIX_EXT_PIX_MASK_IDX       11//10    // 18bits
+#define BE_CUST_PIX_EXT_PIX_EN_IDX         29 //28    // 1bits
+
+#define BE_CUST_PIX_EXT_WIDTH              30//29
+
+// Pixel Valid & EoP config = {[eop,valid](especial), [eop,valid](normal)}
+#define BE_CUST_PIX_VALID_EOP_P0_IDX        0    // 4bits
+#define BE_CUST_PIX_VALID_EOP_P1_IDX        4    // 4bits
+#define BE_CUST_PIX_VALID_EOP_P2_IDX        8    // 4bits
+#define BE_CUST_PIX_VALID_EOP_P3_IDX        12   // 4bits
+#define BE_CUST_PIX_VALID_EOP_WIDTH         16
+#define BE_CUST_PIX_VALID_EOP_NOR_VALID_IDX 0    // Normal (NO less get_bits case) Valid - 1bits
+#define BE_CUST_PIX_VALID_EOP_NOR_EOP_IDX   1    // Normal (NO less get_bits case) EoP - 1bits
+#define BE_CUST_PIX_VALID_EOP_ESP_VALID_IDX 2    // Especial (less get_bits case) Valid - 1bits
+#define BE_CUST_PIX_VALID_EOP_ESP_EOP_IDX   3    // Especial (less get_bits case) EoP - 1bits
+
+*/
+
+#endif /* _mipi_backend_common_defs_h_ */
+#endif /* _css_receiver_2400_common_defs_h_ */
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/hrt/mipi_backend_defs.h b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/mipi_backend_defs.h
new file mode 100644
index 000000000..6fae1c262
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/mipi_backend_defs.h
@@ -0,0 +1,209 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _mipi_backend_defs_h
+#define _mipi_backend_defs_h
+
+#include "mipi_backend_common_defs.h"
+
+#define MIPI_BACKEND_REG_ALIGN                    4 // assuming 32 bit control bus width
+
+#define _HRT_MIPI_BACKEND_NOF_IRQS                         3 // sid_lut
+
+// SH Backend Register IDs
+#define _HRT_MIPI_BACKEND_ENABLE_REG_IDX                   0
+#define _HRT_MIPI_BACKEND_STATUS_REG_IDX                   1
+//#define _HRT_MIPI_BACKEND_HIGH_PREC_REG_IDX                2
+#define _HRT_MIPI_BACKEND_COMP_FORMAT_REG0_IDX             2
+#define _HRT_MIPI_BACKEND_COMP_FORMAT_REG1_IDX             3
+#define _HRT_MIPI_BACKEND_COMP_FORMAT_REG2_IDX             4
+#define _HRT_MIPI_BACKEND_COMP_FORMAT_REG3_IDX             5
+#define _HRT_MIPI_BACKEND_RAW16_CONFIG_REG_IDX             6
+#define _HRT_MIPI_BACKEND_RAW18_CONFIG_REG_IDX             7
+#define _HRT_MIPI_BACKEND_FORCE_RAW8_REG_IDX               8
+#define _HRT_MIPI_BACKEND_IRQ_STATUS_REG_IDX               9
+#define _HRT_MIPI_BACKEND_IRQ_CLEAR_REG_IDX               10
+////
+#define _HRT_MIPI_BACKEND_CUST_EN_REG_IDX                 11
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_REG_IDX         12
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S0P0_REG_IDX       13
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S0P1_REG_IDX       14
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S0P2_REG_IDX       15
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S0P3_REG_IDX       16
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S1P0_REG_IDX       17
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S1P1_REG_IDX       18
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S1P2_REG_IDX       19
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S1P3_REG_IDX       20
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S2P0_REG_IDX       21
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S2P1_REG_IDX       22
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S2P2_REG_IDX       23
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_S2P3_REG_IDX       24
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_REG_IDX      25
+////
+#define _HRT_MIPI_BACKEND_GLOBAL_LUT_DISREGARD_REG_IDX    26
+#define _HRT_MIPI_BACKEND_PKT_STALL_STATUS_REG_IDX        27
+//#define _HRT_MIPI_BACKEND_SP_LUT_ENABLE_REG_IDX           28
+#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_0_REG_IDX          28
+#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_1_REG_IDX          29
+#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_2_REG_IDX          30
+#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_3_REG_IDX          31
+
+#define _HRT_MIPI_BACKEND_NOF_REGISTERS                   32 // excluding the LP LUT entries
+
+#define _HRT_MIPI_BACKEND_LP_LUT_ENTRY_0_REG_IDX          32
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+#define _HRT_MIPI_BACKEND_ENABLE_REG_WIDTH                 1
+#define _HRT_MIPI_BACKEND_STATUS_REG_WIDTH                 1
+//#define _HRT_MIPI_BACKEND_HIGH_PREC_REG_WIDTH              1
+#define _HRT_MIPI_BACKEND_COMP_FORMAT_REG_WIDTH           32
+#define _HRT_MIPI_BACKEND_RAW16_CONFIG_REG_WIDTH           7
+#define _HRT_MIPI_BACKEND_RAW18_CONFIG_REG_WIDTH           9
+#define _HRT_MIPI_BACKEND_FORCE_RAW8_REG_WIDTH             8
+#define _HRT_MIPI_BACKEND_IRQ_STATUS_REG_WIDTH            _HRT_MIPI_BACKEND_NOF_IRQS
+#define _HRT_MIPI_BACKEND_IRQ_CLEAR_REG_WIDTH              0
+#define _HRT_MIPI_BACKEND_GLOBAL_LUT_DISREGARD_REG_WIDTH   1
+#define _HRT_MIPI_BACKEND_PKT_STALL_STATUS_REG_WIDTH       1 + 2 + 6
+//#define _HRT_MIPI_BACKEND_SP_LUT_ENABLE_REG_WIDTH          1
+//#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_0_REG_WIDTH         7
+//#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_1_REG_WIDTH         7
+//#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_2_REG_WIDTH         7
+//#define _HRT_MIPI_BACKEND_SP_LUT_ENTRY_3_REG_WIDTH         7
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#define _HRT_MIPI_BACKEND_NOF_SP_LUT_ENTRIES               4
+
+//#define _HRT_MIPI_BACKEND_MAX_NOF_LP_LUT_ENTRIES           16  // to satisfy hss model static array declaration
+
+#define _HRT_MIPI_BACKEND_CHANNEL_ID_WIDTH                 2
+#define _HRT_MIPI_BACKEND_FORMAT_TYPE_WIDTH                6
+#define _HRT_MIPI_BACKEND_PACKET_ID_WIDTH                  _HRT_MIPI_BACKEND_CHANNEL_ID_WIDTH + _HRT_MIPI_BACKEND_FORMAT_TYPE_WIDTH
+
+#define _HRT_MIPI_BACKEND_STREAMING_PIX_A_LSB                 0
+#define _HRT_MIPI_BACKEND_STREAMING_PIX_A_MSB(pix_width)     (_HRT_MIPI_BACKEND_STREAMING_PIX_A_LSB + (pix_width) - 1)
+#define _HRT_MIPI_BACKEND_STREAMING_PIX_A_VAL_BIT(pix_width) (_HRT_MIPI_BACKEND_STREAMING_PIX_A_MSB(pix_width) + 1)
+#define _HRT_MIPI_BACKEND_STREAMING_PIX_B_LSB(pix_width)     (_HRT_MIPI_BACKEND_STREAMING_PIX_A_VAL_BIT(pix_width) + 1)
+#define _HRT_MIPI_BACKEND_STREAMING_PIX_B_MSB(pix_width)     (_HRT_MIPI_BACKEND_STREAMING_PIX_B_LSB(pix_width) + (pix_width) - 1)
+#define _HRT_MIPI_BACKEND_STREAMING_PIX_B_VAL_BIT(pix_width) (_HRT_MIPI_BACKEND_STREAMING_PIX_B_MSB(pix_width) + 1)
+#define _HRT_MIPI_BACKEND_STREAMING_SOP_BIT(pix_width)       (_HRT_MIPI_BACKEND_STREAMING_PIX_B_VAL_BIT(pix_width) + 1)
+#define _HRT_MIPI_BACKEND_STREAMING_EOP_BIT(pix_width)       (_HRT_MIPI_BACKEND_STREAMING_SOP_BIT(pix_width) + 1)
+#define _HRT_MIPI_BACKEND_STREAMING_WIDTH(pix_width)         (_HRT_MIPI_BACKEND_STREAMING_EOP_BIT(pix_width) + 1)
+
+/*************************************************************************************************/
+/* Custom Decoding                                                                               */
+/* These Custom Defs are defined based on design-time config in "mipi_backend_pixel_formatter.chdl" !! */
+/*************************************************************************************************/
+#define _HRT_MIPI_BACKEND_CUST_EN_IDX                     0     /* 2bits */
+#define _HRT_MIPI_BACKEND_CUST_EN_DATAID_IDX              2     /* 6bits MIPI DATA ID */
+#define _HRT_MIPI_BACKEND_CUST_EN_HIGH_PREC_IDX           8     // 1 bit
+#define _HRT_MIPI_BACKEND_CUST_EN_WIDTH                   9
+#define _HRT_MIPI_BACKEND_CUST_MODE_ALL                   1     /* Enable Custom Decoding for all DATA IDs */
+#define _HRT_MIPI_BACKEND_CUST_MODE_ONE                   3     /* Enable Custom Decoding for ONE DATA ID, programmed in CUST_EN_DATA_ID */
+
+#define _HRT_MIPI_BACKEND_CUST_EN_OPTION_IDX              1
+
+/* Data State config = {get_bits(6bits), valid(1bit)}  */
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_S0_IDX          0     /* 7bits */
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_S1_IDX          8     /* 7bits */
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_S2_IDX          16    /* was 14 7bits */
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_WIDTH           24    /* was 21*/
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_VALID_IDX       0     /* 1bits */
+#define _HRT_MIPI_BACKEND_CUST_DATA_STATE_GETBITS_IDX     1     /* 6bits */
+
+/* Pixel Extractor config */
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_DATA_ALIGN_IDX     0     /* 6bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_PIX_ALIGN_IDX      6     /* 5bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_PIX_MASK_IDX       11    /* was 10 18bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_PIX_EN_IDX         29    /* was 28 1bits */
+
+#define _HRT_MIPI_BACKEND_CUST_PIX_EXT_WIDTH              30    /* was 29 */
+
+/* Pixel Valid & EoP config = {[eop,valid](especial), [eop,valid](normal)} */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_P0_IDX        0    /* 4bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_P1_IDX        4    /* 4bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_P2_IDX        8    /* 4bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_P3_IDX        12   /* 4bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_WIDTH         16
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_NOR_VALID_IDX 0    /* Normal (NO less get_bits case) Valid - 1bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_NOR_EOP_IDX   1    /* Normal (NO less get_bits case) EoP - 1bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_ESP_VALID_IDX 2    /* Especial (less get_bits case) Valid - 1bits */
+#define _HRT_MIPI_BACKEND_CUST_PIX_VALID_EOP_ESP_EOP_IDX   3    /* Especial (less get_bits case) EoP - 1bits */
+
+/*************************************************************************************************/
+/* MIPI backend output streaming interface definition                                            */
+/* These parameters define the fields within the streaming bus. These should also be used by the */
+/* subsequent block, ie stream2mmio.                                                             */
+/*************************************************************************************************/
+/* The pipe backend - stream2mmio should be design time configurable in                          */
+/*   PixWidth - Number of bits per pixel                                                         */
+/*   PPC      - Pixel per Clocks                                                                 */
+/*   NumSids  - Max number of source Ids (ifc's)  and derived from that:                         */
+/*   SidWidth - Number of bits required for the sid parameter                                    */
+/* In order to keep this configurability, below Macro's have these as a parameter                */
+/*************************************************************************************************/
+
+#define HRT_MIPI_BACKEND_STREAM_EOP_BIT                      0
+#define HRT_MIPI_BACKEND_STREAM_SOP_BIT                      1
+#define HRT_MIPI_BACKEND_STREAM_EOF_BIT                      2
+#define HRT_MIPI_BACKEND_STREAM_SOF_BIT                      3
+#define HRT_MIPI_BACKEND_STREAM_CHID_LS_BIT                  4
+#define HRT_MIPI_BACKEND_STREAM_CHID_MS_BIT(sid_width)      (HRT_MIPI_BACKEND_STREAM_CHID_LS_BIT + (sid_width) - 1)
+#define HRT_MIPI_BACKEND_STREAM_PIX_VAL_BIT(sid_width, p)    (HRT_MIPI_BACKEND_STREAM_CHID_MS_BIT(sid_width) + 1 + p)
+
+#define HRT_MIPI_BACKEND_STREAM_PIX_LS_BIT(sid_width, ppc, pix_width, p) (HRT_MIPI_BACKEND_STREAM_PIX_VAL_BIT(sid_width, ppc) + ((pix_width) * p))
+#define HRT_MIPI_BACKEND_STREAM_PIX_MS_BIT(sid_width, ppc, pix_width, p) (HRT_MIPI_BACKEND_STREAM_PIX_LS_BIT(sid_width, ppc, pix_width, p) + (pix_width) - 1)
+
+#if 0
+//#define HRT_MIPI_BACKEND_STREAM_PIX_BITS                    14
+//#define HRT_MIPI_BACKEND_STREAM_CHID_BITS                    4
+//#define HRT_MIPI_BACKEND_STREAM_PPC                          4
+#endif
+
+#define HRT_MIPI_BACKEND_STREAM_BITS(sid_width, ppc, pix_width)         (HRT_MIPI_BACKEND_STREAM_PIX_MS_BIT(sid_width, ppc, pix_width, (ppc - 1)) + 1)
+
+/* SP and LP LUT BIT POSITIONS */
+#define HRT_MIPI_BACKEND_LUT_PKT_DISREGARD_BIT              0                                                                                           // 0
+#define HRT_MIPI_BACKEND_LUT_SID_LS_BIT                     HRT_MIPI_BACKEND_LUT_PKT_DISREGARD_BIT + 1                                                  // 1
+#define HRT_MIPI_BACKEND_LUT_SID_MS_BIT(sid_width)          (HRT_MIPI_BACKEND_LUT_SID_LS_BIT + (sid_width) - 1)                                             // 1 + (4) - 1 = 4
+#define HRT_MIPI_BACKEND_LUT_MIPI_CH_ID_LS_BIT(sid_width)   HRT_MIPI_BACKEND_LUT_SID_MS_BIT(sid_width) + 1                                              // 5
+#define HRT_MIPI_BACKEND_LUT_MIPI_CH_ID_MS_BIT(sid_width)   HRT_MIPI_BACKEND_LUT_MIPI_CH_ID_LS_BIT(sid_width) + _HRT_MIPI_BACKEND_CHANNEL_ID_WIDTH - 1  // 6
+#define HRT_MIPI_BACKEND_LUT_MIPI_FMT_LS_BIT(sid_width)     HRT_MIPI_BACKEND_LUT_MIPI_CH_ID_MS_BIT(sid_width) + 1                                       // 7
+#define HRT_MIPI_BACKEND_LUT_MIPI_FMT_MS_BIT(sid_width)     HRT_MIPI_BACKEND_LUT_MIPI_FMT_LS_BIT(sid_width) + _HRT_MIPI_BACKEND_FORMAT_TYPE_WIDTH - 1   // 12
+
+/* #define HRT_MIPI_BACKEND_SP_LUT_BITS(sid_width)             HRT_MIPI_BACKEND_LUT_MIPI_CH_ID_MS_BIT(sid_width) + 1                                       // 7          */
+
+#define HRT_MIPI_BACKEND_SP_LUT_BITS(sid_width)             HRT_MIPI_BACKEND_LUT_SID_MS_BIT(sid_width) + 1
+#define HRT_MIPI_BACKEND_LP_LUT_BITS(sid_width)             HRT_MIPI_BACKEND_LUT_MIPI_FMT_MS_BIT(sid_width) + 1                                         // 13
+
+// temp solution
+//#define HRT_MIPI_BACKEND_STREAM_PIXA_VAL_BIT                HRT_MIPI_BACKEND_STREAM_CHID_MS_BIT  + 1                                    // 8
+//#define HRT_MIPI_BACKEND_STREAM_PIXB_VAL_BIT                HRT_MIPI_BACKEND_STREAM_PIXA_VAL_BIT + 1                                    // 9
+//#define HRT_MIPI_BACKEND_STREAM_PIXC_VAL_BIT                HRT_MIPI_BACKEND_STREAM_PIXB_VAL_BIT + 1                                    // 10
+//#define HRT_MIPI_BACKEND_STREAM_PIXD_VAL_BIT                HRT_MIPI_BACKEND_STREAM_PIXC_VAL_BIT + 1                                    // 11
+//#define HRT_MIPI_BACKEND_STREAM_PIXA_LS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXD_VAL_BIT + 1                                    // 12
+//#define HRT_MIPI_BACKEND_STREAM_PIXA_MS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXA_LS_BIT  + HRT_MIPI_BACKEND_STREAM_PIX_BITS - 1 // 25
+//#define HRT_MIPI_BACKEND_STREAM_PIXB_LS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXA_MS_BIT + 1                                     // 26
+//#define HRT_MIPI_BACKEND_STREAM_PIXB_MS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXB_LS_BIT  + HRT_MIPI_BACKEND_STREAM_PIX_BITS - 1 // 39
+//#define HRT_MIPI_BACKEND_STREAM_PIXC_LS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXB_MS_BIT + 1                                     // 40
+//#define HRT_MIPI_BACKEND_STREAM_PIXC_MS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXC_LS_BIT  + HRT_MIPI_BACKEND_STREAM_PIX_BITS - 1 // 53
+//#define HRT_MIPI_BACKEND_STREAM_PIXD_LS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXC_MS_BIT + 1                                     // 54
+//#define HRT_MIPI_BACKEND_STREAM_PIXD_MS_BIT                 HRT_MIPI_BACKEND_STREAM_PIXD_LS_BIT  + HRT_MIPI_BACKEND_STREAM_PIX_BITS - 1 // 67
+
+// vc hidden in pixb data (passed as raw12 the pipe)
+#define HRT_MIPI_BACKEND_STREAM_VC_LS_BIT(sid_width, ppc, pix_width)  HRT_MIPI_BACKEND_STREAM_PIX_LS_BIT(sid_width, ppc, pix_width, 1) + 10  //HRT_MIPI_BACKEND_STREAM_PIXB_LS_BIT + 10 // 36
+#define HRT_MIPI_BACKEND_STREAM_VC_MS_BIT(sid_width, ppc, pix_width)  HRT_MIPI_BACKEND_STREAM_VC_LS_BIT(sid_width, ppc, pix_width) + 1    // 37
+
+#endif /* _mipi_backend_defs_h */
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/hrt/rx_csi_defs.h b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/rx_csi_defs.h
new file mode 100644
index 000000000..d0e5b54d1
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/rx_csi_defs.h
@@ -0,0 +1,170 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _csi_rx_defs_h
+#define _csi_rx_defs_h
+
+//#include "rx_csi_common_defs.h"
+
+#define MIPI_PKT_DATA_WIDTH                         32
+//#define CLK_CROSSING_FIFO_DEPTH                     16
+#define _CSI_RX_REG_ALIGN                            4
+
+//define number of IRQ (see below for definition of each IRQ bits)
+#define CSI_RX_NOF_IRQS_BYTE_DOMAIN                11
+#define CSI_RX_NOF_IRQS_ISP_DOMAIN                 15 // CSI_RX_NOF_IRQS_BYTE_DOMAIN + remaining from Dphy_rx already on ISP clock domain
+
+// REGISTER DESCRIPTION
+//#define _HRT_CSI_RX_SOFTRESET_REG_IDX                0
+#define _HRT_CSI_RX_ENABLE_REG_IDX                   0
+#define _HRT_CSI_RX_NOF_ENABLED_LANES_REG_IDX        1
+#define _HRT_CSI_RX_ERROR_HANDLING_REG_IDX           2
+#define _HRT_CSI_RX_STATUS_REG_IDX                   3
+#define _HRT_CSI_RX_STATUS_DLANE_HS_REG_IDX          4
+#define _HRT_CSI_RX_STATUS_DLANE_LP_REG_IDX          5
+//#define _HRT_CSI_RX_IRQ_CONFIG_REG_IDX               6
+#define _HRT_CSI_RX_DLY_CNT_TERMEN_CLANE_REG_IDX     6
+#define _HRT_CSI_RX_DLY_CNT_SETTLE_CLANE_REG_IDX     7
+#define _HRT_CSI_RX_DLY_CNT_TERMEN_DLANE_REG_IDX(lane_idx)    (8 + (2 * lane_idx))
+#define _HRT_CSI_RX_DLY_CNT_SETTLE_DLANE_REG_IDX(lane_idx)    (8 + (2 * lane_idx) + 1)
+
+#define _HRT_CSI_RX_NOF_REGISTERS(nof_dlanes)      (8 + 2 * (nof_dlanes))
+
+//#define _HRT_CSI_RX_SOFTRESET_REG_WIDTH              1
+#define _HRT_CSI_RX_ENABLE_REG_WIDTH                 1
+#define _HRT_CSI_RX_NOF_ENABLED_LANES_REG_WIDTH      3
+#define _HRT_CSI_RX_ERROR_HANDLING_REG_WIDTH         4
+#define _HRT_CSI_RX_STATUS_REG_WIDTH                 1
+#define _HRT_CSI_RX_STATUS_DLANE_HS_REG_WIDTH        8
+#define _HRT_CSI_RX_STATUS_DLANE_LP_REG_WIDTH        24
+#define _HRT_CSI_RX_IRQ_CONFIG_REG_WIDTH             (CSI_RX_NOF_IRQS_ISP_DOMAIN)
+#define _HRT_CSI_RX_DLY_CNT_REG_WIDTH                24
+//#define _HRT_CSI_RX_IRQ_STATUS_REG_WIDTH            NOF_IRQS
+//#define _HRT_CSI_RX_IRQ_CLEAR_REG_WIDTH             0
+
+#define ONE_LANE_ENABLED                             0
+#define TWO_LANES_ENABLED                            1
+#define THREE_LANES_ENABLED                          2
+#define FOUR_LANES_ENABLED                           3
+
+// Error handling reg bit positions
+#define ERR_DECISION_BIT      0
+#define DISC_RESERVED_SP_BIT  1
+#define DISC_RESERVED_LP_BIT  2
+#define DIS_INCOMP_PKT_CHK_BIT	3
+
+#define _HRT_CSI_RX_IRQ_CONFIG_REG_VAL_POSEDGE      0
+#define _HRT_CSI_RX_IRQ_CONFIG_REG_VAL_ORIGINAL     1
+
+// Interrupt bits
+#define _HRT_RX_CSI_IRQ_SINGLE_PH_ERROR_CORRECTED   0
+#define _HRT_RX_CSI_IRQ_MULTIPLE_PH_ERROR_DETECTED  1
+#define _HRT_RX_CSI_IRQ_PAYLOAD_CHECKSUM_ERROR      2
+#define _HRT_RX_CSI_IRQ_FIFO_FULL_ERROR             3
+#define _HRT_RX_CSI_IRQ_RESERVED_SP_DETECTED        4
+#define _HRT_RX_CSI_IRQ_RESERVED_LP_DETECTED        5
+//#define _HRT_RX_CSI_IRQ_PREMATURE_SOP               6
+#define _HRT_RX_CSI_IRQ_INCOMPLETE_PACKET           6
+#define _HRT_RX_CSI_IRQ_FRAME_SYNC_ERROR            7
+#define _HRT_RX_CSI_IRQ_LINE_SYNC_ERROR             8
+#define _HRT_RX_CSI_IRQ_DLANE_HS_SOT_ERROR          9
+#define _HRT_RX_CSI_IRQ_DLANE_HS_SOT_SYNC_ERROR    10
+
+#define _HRT_RX_CSI_IRQ_DLANE_ESC_ERROR            11
+#define _HRT_RX_CSI_IRQ_DLANE_TRIGGERESC           12
+#define _HRT_RX_CSI_IRQ_DLANE_ULPSESC              13
+#define _HRT_RX_CSI_IRQ_CLANE_ULPSCLKNOT           14
+
+/* OLD ARASAN FRONTEND IRQs
+#define _HRT_RX_CSI_IRQ_OVERRUN_BIT                0
+#define _HRT_RX_CSI_IRQ_RESERVED_BIT               1
+#define _HRT_RX_CSI_IRQ_SLEEP_MODE_ENTRY_BIT       2
+#define _HRT_RX_CSI_IRQ_SLEEP_MODE_EXIT_BIT        3
+#define _HRT_RX_CSI_IRQ_ERR_SOT_HS_BIT             4
+#define _HRT_RX_CSI_IRQ_ERR_SOT_SYNC_HS_BIT        5
+#define _HRT_RX_CSI_IRQ_ERR_CONTROL_BIT            6
+#define _HRT_RX_CSI_IRQ_ERR_ECC_DOUBLE_BIT         7
+#define _HRT_RX_CSI_IRQ_ERR_ECC_CORRECTED_BIT      8
+#define _HRT_RX_CSI_IRQ_ERR_ECC_NO_CORRECTION_BIT  9
+#define _HRT_RX_CSI_IRQ_ERR_CRC_BIT               10
+#define _HRT_RX_CSI_IRQ_ERR_ID_BIT                11
+#define _HRT_RX_CSI_IRQ_ERR_FRAME_SYNC_BIT        12
+#define _HRT_RX_CSI_IRQ_ERR_FRAME_DATA_BIT        13
+#define _HRT_RX_CSI_IRQ_DATA_TIMEOUT_BIT          14
+#define _HRT_RX_CSI_IRQ_ERR_ESCAPE_BIT            15
+#define _HRT_RX_CSI_IRQ_ERR_LINE_SYNC_BIT         16
+*/
+
+////Bit Description for reg _HRT_CSI_RX_STATUS_DLANE_HS_REG_IDX
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_ERR_LANE0        0
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_ERR_LANE1        1
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_ERR_LANE2        2
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_ERR_LANE3        3
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_SYNC_ERR_LANE0   4
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_SYNC_ERR_LANE1   5
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_SYNC_ERR_LANE2   6
+#define _HRT_CSI_RX_STATUS_DLANE_HS_SOT_SYNC_ERR_LANE3   7
+
+////Bit Description for reg _HRT_CSI_RX_STATUS_DLANE_LP_REG_IDX
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ESC_ERR_LANE0        0
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ESC_ERR_LANE1        1
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ESC_ERR_LANE2        2
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ESC_ERR_LANE3        3
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC0_LANE0    4
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC1_LANE0    5
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC2_LANE0    6
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC3_LANE0    7
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC0_LANE1    8
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC1_LANE1    9
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC2_LANE1    10
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC3_LANE1    11
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC0_LANE2    12
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC1_LANE2    13
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC2_LANE2    14
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC3_LANE2    15
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC0_LANE3    16
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC1_LANE3    17
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC2_LANE3    18
+#define _HRT_CSI_RX_STATUS_DLANE_LP_TRIGGERESC3_LANE3    19
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ULPSESC_LANE0        20
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ULPSESC_LANE1        21
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ULPSESC_LANE2        22
+#define _HRT_CSI_RX_STATUS_DLANE_LP_ULPSESC_LANE3        23
+
+/*********************************************************/
+/*** Relevant declarations from rx_csi_common_defs.h *****/
+/*********************************************************/
+/* packet bit definition */
+#define _HRT_RX_CSI_PKT_SOP_BITPOS                       32
+#define _HRT_RX_CSI_PKT_EOP_BITPOS                       33
+#define _HRT_RX_CSI_PKT_PAYLOAD_BITPOS                    0
+#define _HRT_RX_CSI_PH_CH_ID_BITPOS                      22
+#define _HRT_RX_CSI_PH_FMT_ID_BITPOS                     16
+#define _HRT_RX_CSI_PH_DATA_FIELD_BITPOS                  0
+
+#define _HRT_RX_CSI_PKT_SOP_BITS                          1
+#define _HRT_RX_CSI_PKT_EOP_BITS                          1
+#define _HRT_RX_CSI_PKT_PAYLOAD_BITS                     32
+#define _HRT_RX_CSI_PH_CH_ID_BITS                         2
+#define _HRT_RX_CSI_PH_FMT_ID_BITS                        6
+#define _HRT_RX_CSI_PH_DATA_FIELD_BITS                   16
+
+/* Definition of data format ID at the interface CSS_receiver units */
+#define _HRT_RX_CSI_DATA_FORMAT_ID_SOF                0   /* 00 0000    frame start                                      */
+#define _HRT_RX_CSI_DATA_FORMAT_ID_EOF                1   /* 00 0001    frame end                                        */
+#define _HRT_RX_CSI_DATA_FORMAT_ID_SOL                2   /* 00 0010    line start                                       */
+#define _HRT_RX_CSI_DATA_FORMAT_ID_EOL                3   /* 00 0011    line end                                         */
+
+#endif /* _csi_rx_defs_h */
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/hrt/stream2mmio_defs.h b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/stream2mmio_defs.h
new file mode 100644
index 000000000..e17783f96
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/hrt/stream2mmio_defs.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _STREAM2MMMIO_DEFS_H
+#define _STREAM2MMMIO_DEFS_H
+
+#include <mipi_backend_defs.h>
+
+#define _STREAM2MMIO_REG_ALIGN                  4
+
+#define _STREAM2MMIO_COMMAND_REG_ID             0
+#define _STREAM2MMIO_ACKNOWLEDGE_REG_ID         1
+#define _STREAM2MMIO_PIX_WIDTH_ID_REG_ID        2
+#define _STREAM2MMIO_START_ADDR_REG_ID          3      /* master port address,NOT Byte */
+#define _STREAM2MMIO_END_ADDR_REG_ID            4      /* master port address,NOT Byte */
+#define _STREAM2MMIO_STRIDE_REG_ID              5      /* stride in master port words, increment is per packet for long sids, stride is not used for short sid's*/
+#define _STREAM2MMIO_NUM_ITEMS_REG_ID           6      /* number of packets for store packets cmd, number of words for store_words cmd */
+#define _STREAM2MMIO_BLOCK_WHEN_NO_CMD_REG_ID   7      /* if this register is 1, input will be stalled if there is no pending command for this sid */
+#define _STREAM2MMIO_REGS_PER_SID               8
+
+#define _STREAM2MMIO_SID_REG_OFFSET             8
+#define _STREAM2MMIO_MAX_NOF_SIDS              64      /* value used in hss model */
+
+/* command token definition     */
+#define _STREAM2MMIO_CMD_TOKEN_CMD_LSB          0      /* bits 1-0 is for the command field */
+#define _STREAM2MMIO_CMD_TOKEN_CMD_MSB          1
+
+#define _STREAM2MMIO_CMD_TOKEN_WIDTH           (_STREAM2MMIO_CMD_TOKEN_CMD_MSB + 1 - _STREAM2MMIO_CMD_TOKEN_CMD_LSB)
+
+#define _STREAM2MMIO_CMD_TOKEN_STORE_WORDS              0      /* command for storing a number of output words indicated by reg _STREAM2MMIO_NUM_ITEMS */
+#define _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS            1      /* command for storing a number of packets indicated by reg _STREAM2MMIO_NUM_ITEMS      */
+#define _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME               2      /* command for waiting for a frame start                                                */
+
+/* acknowledges from packer module */
+/* fields: eof   - indicates whether last (short) packet received was an eof packet */
+/*         eop   - indicates whether command has ended due to packet end or due to no of words requested has been received */
+/*         count - indicates number of words stored */
+#define _STREAM2MMIO_PACK_NUM_ITEMS_BITS        16
+#define _STREAM2MMIO_PACK_ACK_EOP_BIT           _STREAM2MMIO_PACK_NUM_ITEMS_BITS
+#define _STREAM2MMIO_PACK_ACK_EOF_BIT           (_STREAM2MMIO_PACK_ACK_EOP_BIT + 1)
+
+/* acknowledge token definition */
+#define _STREAM2MMIO_ACK_TOKEN_NUM_ITEMS_LSB    0      /* bits 3-0 is for the command field */
+#define _STREAM2MMIO_ACK_TOKEN_NUM_ITEMS_MSB   (_STREAM2MMIO_PACK_NUM_ITEMS_BITS - 1)
+#define _STREAM2MMIO_ACK_TOKEN_EOP_BIT         _STREAM2MMIO_PACK_ACK_EOP_BIT
+#define _STREAM2MMIO_ACK_TOKEN_EOF_BIT         _STREAM2MMIO_PACK_ACK_EOF_BIT
+#define _STREAM2MMIO_ACK_TOKEN_VALID_BIT       (_STREAM2MMIO_ACK_TOKEN_EOF_BIT + 1)      /* this bit indicates a valid ack    */
+/* if there is no valid ack, a read  */
+/* on the ack register returns 0     */
+#define _STREAM2MMIO_ACK_TOKEN_WIDTH           (_STREAM2MMIO_ACK_TOKEN_VALID_BIT + 1)
+
+/* commands for packer module */
+#define _STREAM2MMIO_PACK_CMD_STORE_WORDS        0
+#define _STREAM2MMIO_PACK_CMD_STORE_LONG_PACKET  1
+#define _STREAM2MMIO_PACK_CMD_STORE_SHORT_PACKET 2
+
+#endif /* _STREAM2MMIO_DEFS_H */