Introduce functions to load and install ImgU FW blobs.

Signed-off-by: Yong Zhi <yong....@intel.com>
---
 drivers/media/pci/intel/ipu3/ipu3-abi.h    | 1888 ++++++++++++++++++++++++++++
 drivers/media/pci/intel/ipu3/ipu3-css-fw.c |  261 ++++
 drivers/media/pci/intel/ipu3/ipu3-css-fw.h |  198 +++
 3 files changed, 2347 insertions(+)
 create mode 100644 drivers/media/pci/intel/ipu3/ipu3-abi.h
 create mode 100644 drivers/media/pci/intel/ipu3/ipu3-css-fw.c
 create mode 100644 drivers/media/pci/intel/ipu3/ipu3-css-fw.h

diff --git a/drivers/media/pci/intel/ipu3/ipu3-abi.h 
b/drivers/media/pci/intel/ipu3/ipu3-abi.h
new file mode 100644
index 000000000000..24102647a89e
--- /dev/null
+++ b/drivers/media/pci/intel/ipu3/ipu3-abi.h
@@ -0,0 +1,1888 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018 Intel Corporation */
+
+#ifndef __IPU3_ABI_H
+#define __IPU3_ABI_H
+
+#include <uapi/linux/intel-ipu3.h>
+
+/******************* IMGU Hardware information *******************/
+
+typedef __u32 imgu_addr_t;
+
+#define IMGU_ISP_VMEM_ALIGN                    128
+#define IMGU_DVS_BLOCK_W                       64
+#define IMGU_DVS_BLOCK_H                       32
+#define IMGU_GDC_BUF_X                         (2 * IMGU_DVS_BLOCK_W)
+#define IMGU_GDC_BUF_Y                         IMGU_DVS_BLOCK_H
+/* n = 0..1 */
+#define IMGU_SP_PMEM_BASE(n)                   (0x20000 + (n) * 0x4000)
+#define IMGU_MAX_BQ_GRID_WIDTH                 80
+#define IMGU_MAX_BQ_GRID_HEIGHT                        60
+#define IMGU_OBGRID_TILE_SIZE                  16
+#define IMGU_PIXELS_PER_WORD                   50
+#define IMGU_BYTES_PER_WORD                    64
+#define IMGU_STRIPE_FIXED_HALF_OVERLAP         2
+#define IMGU_SHD_SETS                          3
+#define IMGU_BDS_MIN_CLIP_VAL                  0
+#define IMGU_BDS_MAX_CLIP_VAL                  2
+
+#define IMGU_ABI_AWB_MAX_CELLS_PER_SET         160
+#define IMGU_ABI_AF_MAX_CELLS_PER_SET          32
+#define IMGU_ABI_AWB_FR_MAX_CELLS_PER_SET      32
+
+#define IMGU_ABI_ACC_OP_IDLE                   0
+#define IMGU_ABI_ACC_OP_END_OF_ACK             1
+#define IMGU_ABI_ACC_OP_END_OF_OPS             2
+#define IMGU_ABI_ACC_OP_NO_OPS                 3
+
+#define IMGU_ABI_ACC_OPTYPE_PROCESS_LINES      0
+#define IMGU_ABI_ACC_OPTYPE_TRANSFER_DATA      1
+
+/* Register definitions */
+
+/* PM_CTRL_0_5_0_IMGHMMADR */
+#define IMGU_REG_PM_CTRL                       0x0
+#define IMGU_PM_CTRL_START                     BIT(0)
+#define IMGU_PM_CTRL_CFG_DONE                  BIT(1)
+#define IMGU_PM_CTRL_RACE_TO_HALT              BIT(2)
+#define IMGU_PM_CTRL_NACK_ALL                  BIT(3)
+#define IMGU_PM_CTRL_CSS_PWRDN                 BIT(4)
+#define IMGU_PM_CTRL_RST_AT_EOF                        BIT(5)
+#define IMGU_PM_CTRL_FORCE_HALT                        BIT(6)
+#define IMGU_PM_CTRL_FORCE_UNHALT              BIT(7)
+#define IMGU_PM_CTRL_FORCE_PWRDN               BIT(8)
+#define IMGU_PM_CTRL_FORCE_RESET               BIT(9)
+
+/* SYSTEM_REQ_0_5_0_IMGHMMADR */
+#define IMGU_REG_SYSTEM_REQ                    0x18
+#define IMGU_SYSTEM_REQ_FREQ_MASK              0x3f
+#define IMGU_SYSTEM_REQ_FREQ_DIVIDER           25
+#define IMGU_REG_INT_STATUS                    0x30
+#define IMGU_REG_INT_ENABLE                    0x34
+#define IMGU_REG_INT_CSS_IRQ                   (1 << 31)
+/* STATE_0_5_0_IMGHMMADR */
+#define IMGU_REG_STATE                         0x130
+#define IMGU_STATE_HALT_STS                    BIT(0)
+#define IMGU_STATE_IDLE_STS                    BIT(1)
+#define IMGU_STATE_POWER_UP                    BIT(2)
+#define IMGU_STATE_POWER_DOWN                  BIT(3)
+#define IMGU_STATE_CSS_BUSY_MASK               0xc0
+#define IMGU_STATE_PM_FSM_MASK                 0x180
+#define IMGU_STATE_PWRDNM_FSM_MASK             0x1E00000
+/* PM_STS_0_5_0_IMGHMMADR */
+#define IMGU_REG_PM_STS                                0x140
+
+#define IMGU_REG_BASE                          0x4000
+
+#define IMGU_REG_ISP_CTRL                      (IMGU_REG_BASE + 0x00)
+#define IMGU_CTRL_RST                          BIT(0)
+#define IMGU_CTRL_START                                BIT(1)
+#define IMGU_CTRL_BREAK                                BIT(2)
+#define IMGU_CTRL_RUN                          BIT(3)
+#define IMGU_CTRL_BROKEN                       BIT(4)
+#define IMGU_CTRL_IDLE                         BIT(5)
+#define IMGU_CTRL_SLEEPING                     BIT(6)
+#define IMGU_CTRL_STALLING                     BIT(7)
+#define IMGU_CTRL_IRQ_CLEAR                    BIT(8)
+#define IMGU_CTRL_IRQ_READY                    BIT(10)
+#define IMGU_CTRL_IRQ_SLEEPING                 BIT(11)
+#define IMGU_CTRL_ICACHE_INV                   BIT(12)
+#define IMGU_CTRL_IPREFETCH_EN                 BIT(13)
+#define IMGU_REG_ISP_START_ADDR                        (IMGU_REG_BASE + 0x04)
+#define IMGU_REG_ISP_ICACHE_ADDR               (IMGU_REG_BASE + 0x10)
+#define IMGU_REG_ISP_PC                                (IMGU_REG_BASE + 0x1c)
+
+/* SP Registers, sp = 0:SP0; 1:SP1 */
+#define IMGU_REG_SP_CTRL(sp)           (IMGU_REG_BASE + (sp) * 0x100 + 0x100)
+       /* For bits in IMGU_REG_SP_CTRL, see IMGU_CTRL_* */
+#define IMGU_REG_SP_START_ADDR(sp)     (IMGU_REG_BASE + (sp) * 0x100 + 0x104)
+#define IMGU_REG_SP_ICACHE_ADDR(sp)    (IMGU_REG_BASE + (sp) * 0x100 + 0x11c)
+#define IMGU_REG_SP_CTRL_SINK(sp)      (IMGU_REG_BASE + (sp) * 0x100 + 0x130)
+#define IMGU_REG_SP_PC(sp)             (IMGU_REG_BASE + (sp) * 0x100 + 0x134)
+
+#define IMGU_REG_TLB_INVALIDATE                (IMGU_REG_BASE + 0x300)
+#define IMGU_TLB_INVALIDATE                    1
+#define IMGU_REG_L1_PHYS               (IMGU_REG_BASE + 0x304) /* 27-bit pfn */
+
+#define IMGU_REG_CIO_GATE_BURST_STATE  (IMGU_REG_BASE + 0x404)
+#define IMGU_CIO_GATE_BURST_MASK        0x80
+
+#define IMGU_REG_GP_BUSY               (IMGU_REG_BASE + 0x500)
+#define IMGU_REG_GP_STARVING           (IMGU_REG_BASE + 0x504)
+#define IMGU_REG_GP_WORKLOAD           (IMGU_REG_BASE + 0x508)
+#define IMGU_REG_GP_IRQ(n)     (IMGU_REG_BASE + (n) * 4 + 0x50c) /* n = 0..4 */
+#define IMGU_REG_GP_SP1_STRMON_STAT    (IMGU_REG_BASE + 0x520)
+#define IMGU_REG_GP_SP2_STRMON_STAT    (IMGU_REG_BASE + 0x524)
+#define IMGU_REG_GP_ISP_STRMON_STAT    (IMGU_REG_BASE + 0x528)
+#define IMGU_REG_GP_MOD_STRMON_STAT    (IMGU_REG_BASE + 0x52c)
+
+/* Port definitions for the streaming monitors. */
+/* For each definition there is signal pair : valid [bit 0]- accept [bit 1] */
+#define IMGU_GP_STRMON_STAT_SP1_PORT_SP12DMA           BIT(0)
+#define IMGU_GP_STRMON_STAT_SP1_PORT_DMA2SP1           BIT(2)
+#define IMGU_GP_STRMON_STAT_SP1_PORT_SP12SP2           BIT(4)
+#define IMGU_GP_STRMON_STAT_SP1_PORT_SP22SP1           BIT(6)
+#define IMGU_GP_STRMON_STAT_SP1_PORT_SP12ISP           BIT(8)
+#define IMGU_GP_STRMON_STAT_SP1_PORT_ISP2SP1           BIT(10)
+
+#define IMGU_GP_STRMON_STAT_SP2_PORT_SP22DMA           BIT(0)
+#define IMGU_GP_STRMON_STAT_SP2_PORT_DMA2SP2           BIT(2)
+#define IMGU_GP_STRMON_STAT_SP2_PORT_SP22SP1           BIT(4)
+#define IMGU_GP_STRMON_STAT_SP2_PORT_SP12SP2           BIT(6)
+
+#define IMGU_GP_STRMON_STAT_ISP_PORT_ISP2DMA           BIT(0)
+#define IMGU_GP_STRMON_STAT_ISP_PORT_DMA2ISP           BIT(2)
+#define IMGU_GP_STRMON_STAT_ISP_PORT_ISP2SP1           BIT(4)
+#define IMGU_GP_STRMON_STAT_ISP_PORT_SP12ISP           BIT(6)
+
+/* Between the devices and the fifo */
+#define IMGU_GP_STRMON_STAT_MOD_PORT_SP12DMA           BIT(0)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_DMA2SP1           BIT(2)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_SP22DMA           BIT(4)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_DMA2SP2           BIT(6)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_ISP2DMA           BIT(8)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_DMA2ISP           BIT(10)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_CELLS2GDC         BIT(12)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_GDC2CELLS         BIT(14)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_CELLS2DECOMP      BIT(16)
+#define IMGU_GP_STRMON_STAT_MOD_PORT_DECOMP2CELLS      BIT(18)
+/* n = 1..6 */
+#define IMGU_GP_STRMON_STAT_MOD_PORT_S2V(n)    (1 << (((n) - 1) * 2 + 20))
+
+/* n = 1..15 */
+#define IMGU_GP_STRMON_STAT_ACCS_PORT_ACC(n)           (1 << (((n) - 1) * 2))
+
+/* After FIFO and demux before SP1, n = 1..15 */
+#define IMGU_GP_STRMON_STAT_ACCS2SP1_MON_PORT_ACC(n)   (1 << (((n) - 1) * 2))
+
+/* After FIFO and demux before SP2, n = 1..15 */
+#define IMGU_GP_STRMON_STAT_ACCS2SP2_MON_PORT_ACC(n)   (1 << (((n) - 1) * 2))
+
+#define IMGU_REG_GP_HALT                               (IMGU_REG_BASE + 0x5dc)
+
+                                       /* n = 0..2 (main ctrl, SP0, SP1) */
+#define IMGU_REG_IRQCTRL_BASE(n)       (IMGU_REG_BASE + (n) * 0x100 + 0x700)
+#define IMGU_IRQCTRL_MAIN                      0
+#define IMGU_IRQCTRL_SP0                       1
+#define IMGU_IRQCTRL_SP1                       2
+#define IMGU_IRQCTRL_NUM                       3
+#define IMGU_IRQCTRL_IRQ_SP1                   BIT(0)
+#define IMGU_IRQCTRL_IRQ_SP2                   BIT(1)
+#define IMGU_IRQCTRL_IRQ_ISP                   BIT(2)
+#define IMGU_IRQCTRL_IRQ_SP1_STREAM_MON                BIT(3)
+#define IMGU_IRQCTRL_IRQ_SP2_STREAM_MON                BIT(4)
+#define IMGU_IRQCTRL_IRQ_ISP_STREAM_MON                BIT(5)
+#define IMGU_IRQCTRL_IRQ_MOD_STREAM_MON                BIT(6)
+#define IMGU_IRQCTRL_IRQ_MOD_ISP_STREAM_MON    BIT(7)
+#define IMGU_IRQCTRL_IRQ_ACCS_STREAM_MON       BIT(8)
+#define IMGU_IRQCTRL_IRQ_ACCS_SP1_STREAM_MON   BIT(9)
+#define IMGU_IRQCTRL_IRQ_ACCS_SP2_STREAM_MON   BIT(10)
+#define IMGU_IRQCTRL_IRQ_ISP_PMEM_ERROR                BIT(11)
+#define IMGU_IRQCTRL_IRQ_ISP_BAMEM_ERROR       BIT(12)
+#define IMGU_IRQCTRL_IRQ_ISP_VMEM_ERROR                BIT(13)
+#define IMGU_IRQCTRL_IRQ_ISP_DMEM_ERROR                BIT(14)
+#define IMGU_IRQCTRL_IRQ_SP1_ICACHE_MEM_ERROR  BIT(15)
+#define IMGU_IRQCTRL_IRQ_SP1_DMEM_ERROR                BIT(16)
+#define IMGU_IRQCTRL_IRQ_SP2_ICACHE_MEM_ERROR  BIT(17)
+#define IMGU_IRQCTRL_IRQ_SP2_DMEM_ERROR                BIT(18)
+#define IMGU_IRQCTRL_IRQ_ACCS_SCRATCH_MEM_ERROR        BIT(19)
+#define IMGU_IRQCTRL_IRQ_GP_TIMER(n)           BIT(20 + (n)) /* n=0..1 */
+#define IMGU_IRQCTRL_IRQ_DMA                   BIT(22)
+#define IMGU_IRQCTRL_IRQ_SW_PIN(n)             BIT(23 + (n)) /* n=0..4 */
+#define IMGU_IRQCTRL_IRQ_ACC_SYS               BIT(28)
+#define IMGU_IRQCTRL_IRQ_OUT_FORM_IRQ_CTRL     BIT(29)
+#define IMGU_IRQCTRL_IRQ_SP1_IRQ_CTRL          BIT(30)
+#define IMGU_IRQCTRL_IRQ_SP2_IRQ_CTRL          BIT(31)
+#define IMGU_REG_IRQCTRL_EDGE(n)       (IMGU_REG_IRQCTRL_BASE(n) + 0x00)
+#define IMGU_REG_IRQCTRL_MASK(n)       (IMGU_REG_IRQCTRL_BASE(n) + 0x04)
+#define IMGU_REG_IRQCTRL_STATUS(n)     (IMGU_REG_IRQCTRL_BASE(n) + 0x08)
+#define IMGU_REG_IRQCTRL_CLEAR(n)      (IMGU_REG_IRQCTRL_BASE(n) + 0x0c)
+#define IMGU_REG_IRQCTRL_ENABLE(n)     (IMGU_REG_IRQCTRL_BASE(n) + 0x10)
+#define IMGU_REG_IRQCTRL_EDGE_NOT_PULSE(n) (IMGU_REG_IRQCTRL_BASE(n) + 0x14)
+#define IMGU_REG_IRQCTRL_STR_OUT_ENABLE(n) (IMGU_REG_IRQCTRL_BASE(n) + 0x18)
+
+#define IMGU_REG_GP_TIMER              (IMGU_REG_BASE + 0xa34)
+
+#define IMGU_REG_SP_DMEM_BASE(n)       (IMGU_REG_BASE + (n) * 0x4000 + 0x4000)
+#define IMGU_REG_ISP_DMEM_BASE         (IMGU_REG_BASE + 0xc000)
+
+#define IMGU_REG_GDC_BASE              (IMGU_REG_BASE + 0x18000)
+#define IMGU_REG_GDC_LUT_BASE          (IMGU_REG_GDC_BASE + 0x140)
+#define IMGU_GDC_LUT_MASK              ((1 << 12) - 1) /* Range -1024..+1024 */
+
+#define IMGU_SCALER_PHASES                     32
+#define IMGU_SCALER_COEFF_BITS                 24
+#define IMGU_SCALER_PHASE_COUNTER_PREC_REF     6
+#define IMGU_SCALER_MAX_EXPONENT_SHIFT         3
+#define IMGU_SCALER_FILTER_TAPS                        4
+#define IMGU_SCALER_TAPS_Y                     IMGU_SCALER_FILTER_TAPS
+#define IMGU_SCALER_TAPS_UV                    (IMGU_SCALER_FILTER_TAPS / 2)
+#define IMGU_SCALER_FIR_PHASES \
+               (IMGU_SCALER_PHASES << IMGU_SCALER_PHASE_COUNTER_PREC_REF)
+#define IMGU_OSYS_BLOCK_WIDTH                  (2 * IPU3_UAPI_ISP_VEC_ELEMS)
+#define IMGU_OSYS_BLOCK_HEIGHT                 32
+
+/******************* imgu_abi_acc_param *******************/
+
+#define IMGU_ABI_SHD_MAX_PROCESS_LINES         31
+#define IMGU_ABI_SHD_MAX_TRANSFERS             31
+#define IMGU_ABI_SHD_MAX_OPERATIONS \
+               (IMGU_ABI_SHD_MAX_PROCESS_LINES + IMGU_ABI_SHD_MAX_TRANSFERS)
+#define IMGU_ABI_SHD_MAX_CELLS_PER_SET         146
+/* largest grid is 73x56 */
+#define IMGU_ABI_SHD_MAX_CFG_SETS              (2 * 28)
+
+#define IMGU_ABI_DVS_STAT_MAX_OPERATIONS       100
+#define IMGU_ABI_DVS_STAT_MAX_PROCESS_LINES    52
+#define IMGU_ABI_DVS_STAT_MAX_TRANSFERS                52
+
+#define IMGU_ABI_AWB_FR_MAX_TRANSFERS          30
+#define IMGU_ABI_AWB_FR_MAX_PROCESS_LINES      30
+#define IMGU_ABI_AWB_FR_MAX_OPERATIONS \
+       (IMGU_ABI_AWB_FR_MAX_TRANSFERS + IMGU_ABI_AWB_FR_MAX_PROCESS_LINES)
+
+#define IMGU_ABI_AF_MAX_TRANSFERS              30
+#define IMGU_ABI_AF_MAX_PROCESS_LINES          30
+#define IMGU_ABI_AF_MAX_OPERATIONS \
+               (IMGU_ABI_AF_MAX_TRANSFERS + IMGU_ABI_AF_MAX_PROCESS_LINES)
+
+#define IMGU_ABI_AWB_MAX_PROCESS_LINES         68
+#define IMGU_ABI_AWB_MAX_TRANSFERS             68
+#define IMGU_ABI_AWB_MAX_OPERATIONS \
+               (IMGU_ABI_AWB_MAX_PROCESS_LINES + IMGU_ABI_AWB_MAX_TRANSFERS)
+
+#define IMGU_ABI_OSYS_PIN_VF                   0
+#define IMGU_ABI_OSYS_PIN_OUT                  1
+#define IMGU_ABI_OSYS_PINS                     2
+
+enum imgu_abi_frame_format {
+       IMGU_ABI_FRAME_FORMAT_NV11,     /* 12 bit YUV 411, Y, UV plane */
+       IMGU_ABI_FRAME_FORMAT_NV12,     /* 12 bit YUV 420, Y, UV plane */
+       IMGU_ABI_FRAME_FORMAT_NV12_16,  /* 16 bit YUV 420, Y, UV plane */
+       IMGU_ABI_FRAME_FORMAT_NV12_TILEY,/* 12 bit YUV 420,Intel tiled format */
+       IMGU_ABI_FRAME_FORMAT_NV16,     /* 16 bit YUV 422, Y, UV plane */
+       IMGU_ABI_FRAME_FORMAT_NV21,     /* 12 bit YUV 420, Y, VU plane */
+       IMGU_ABI_FRAME_FORMAT_NV61,     /* 16 bit YUV 422, Y, VU plane */
+       IMGU_ABI_FRAME_FORMAT_YV12,     /* 12 bit YUV 420, Y, V, U plane */
+       IMGU_ABI_FRAME_FORMAT_YV16,     /* 16 bit YUV 422, Y, V, U plane */
+       IMGU_ABI_FRAME_FORMAT_YUV420,   /* 12 bit YUV 420, Y, U, V plane */
+       IMGU_ABI_FRAME_FORMAT_YUV420_16,/* yuv420, 16 bits per subpixel */
+       IMGU_ABI_FRAME_FORMAT_YUV422,   /* 16 bit YUV 422, Y, U, V plane */
+       IMGU_ABI_FRAME_FORMAT_YUV422_16,/* yuv422, 16 bits per subpixel */
+       IMGU_ABI_FRAME_FORMAT_UYVY,     /* 16 bit YUV 422, UYVY interleaved */
+       IMGU_ABI_FRAME_FORMAT_YUYV,     /* 16 bit YUV 422, YUYV interleaved */
+       IMGU_ABI_FRAME_FORMAT_YUV444,   /* 24 bit YUV 444, Y, U, V plane */
+       IMGU_ABI_FRAME_FORMAT_YUV_LINE, /* Internal format, 2 y lines */
+                                       /* followed by a uv-interleaved line */
+       IMGU_ABI_FRAME_FORMAT_RAW,      /* RAW, 1 plane */
+       IMGU_ABI_FRAME_FORMAT_RGB565,   /* 16 bit RGB, 1 plane. Each 3 sub
+                                        * pixels are packed into one 16 bit
+                                        * value, 5 bits for R, 6 bits for G
+                                        * and 5 bits for B.
+                                        */
+       IMGU_ABI_FRAME_FORMAT_PLANAR_RGB888, /* 24 bit RGB, 3 planes */
+       IMGU_ABI_FRAME_FORMAT_RGBA888,  /* 32 bit RGBA, 1 plane, A=Alpha
+                                        * (alpha is unused)
+                                        */
+       IMGU_ABI_FRAME_FORMAT_QPLANE6,  /* Internal, for advanced ISP */
+       IMGU_ABI_FRAME_FORMAT_BINARY_8, /* byte stream, used for jpeg. For
+                                        * frames of this type, we set the
+                                        * height to 1 and the width to the
+                                        * number of allocated bytes.
+                                        */
+       IMGU_ABI_FRAME_FORMAT_MIPI,     /* MIPI frame, 1 plane */
+       IMGU_ABI_FRAME_FORMAT_RAW_PACKED,        /* RAW, 1 plane, packed */
+       IMGU_ABI_FRAME_FORMAT_CSI_MIPI_YUV420_8, /* 8 bit per Y/U/V. Y odd line
+                                                 * UYVY interleaved even line
+                                                 */
+       IMGU_ABI_FRAME_FORMAT_CSI_MIPI_LEGACY_YUV420_8, /* Legacy YUV420.
+                                                        * UY odd line;
+                                                        * VY even line
+                                                        */
+       IMGU_ABI_FRAME_FORMAT_CSI_MIPI_YUV420_10,/* 10 bit per Y/U/V. Y odd
+                                                 * line; UYVY interleaved
+                                                 * even line
+                                                 */
+       IMGU_ABI_FRAME_FORMAT_YCgCo444_16, /* Internal format for ISP2.7,
+                                           * 16 bits per plane YUV 444,
+                                           * Y, U, V plane
+                                           */
+       IMGU_ABI_FRAME_FORMAT_NUM
+};
+
+enum imgu_abi_bayer_order {
+       IMGU_ABI_BAYER_ORDER_GRBG,
+       IMGU_ABI_BAYER_ORDER_RGGB,
+       IMGU_ABI_BAYER_ORDER_BGGR,
+       IMGU_ABI_BAYER_ORDER_GBRG
+};
+
+enum imgu_abi_osys_format {
+       IMGU_ABI_OSYS_FORMAT_YUV420,
+       IMGU_ABI_OSYS_FORMAT_YV12,
+       IMGU_ABI_OSYS_FORMAT_NV12,
+       IMGU_ABI_OSYS_FORMAT_NV21,
+       IMGU_ABI_OSYS_FORMAT_YUV_LINE,
+       IMGU_ABI_OSYS_FORMAT_YUY2,      /* = IMGU_ABI_OSYS_FORMAT_YUYV */
+       IMGU_ABI_OSYS_FORMAT_NV16,
+       IMGU_ABI_OSYS_FORMAT_RGBA,
+       IMGU_ABI_OSYS_FORMAT_BGRA
+};
+
+enum imgu_abi_osys_tiling {
+       IMGU_ABI_OSYS_TILING_NONE,
+       IMGU_ABI_OSYS_TILING_Y,
+       IMGU_ABI_OSYS_TILING_YF,
+};
+
+struct imgu_abi_acc_operation {
+       /*
+        * zero means on init,
+        * others mean upon receiving an ack signal from the BC acc.
+        */
+       __u8 op_indicator;
+       __u8 op_type;
+} __packed;
+
+struct imgu_abi_acc_process_lines_cmd_data {
+       __u16 lines;
+       __u8 cfg_set;
+       __u8 __reserved;                /* Align to 4 bytes */
+} __packed;
+
+/* Bayer shading definitions */
+
+struct imgu_abi_shd_transfer_luts_set_data {
+       __u8 set_number;
+       __u8 padding[3];
+       imgu_addr_t rg_lut_ddr_addr;
+       imgu_addr_t bg_lut_ddr_addr;
+       __u32 align_dummy;
+} __packed;
+
+struct imgu_abi_shd_grid_config {
+       /* reg 0 */
+       u32 grid_width:8;
+       u32 grid_height:8;
+       u32 block_width:3;
+       u32 __reserved0:1;
+       u32 block_height:3;
+       u32 __reserved1:1;
+       u32 grid_height_per_slice:8;
+       /* reg 1 */
+       s32 x_start:13;
+       s32 __reserved2:3;
+       s32 y_start:13;
+       s32 __reserved3:3;
+} __packed;
+
+struct imgu_abi_shd_general_config {
+       u32 init_set_vrt_offst_ul:8;
+       u32 shd_enable:1;
+       /* aka 'gf' */
+       u32 gain_factor:2;
+       u32 __reserved:21;
+} __packed;
+
+struct imgu_abi_shd_black_level_config {
+       /* reg 0 */
+       s32 bl_r:12;
+       s32 __reserved0:4;
+       s32 bl_gr:12;
+       u32 __reserved1:1;
+       /* aka 'nf' */
+       u32 normalization_shift:3;
+       /* reg 1 */
+       s32 bl_gb:12;
+       s32 __reserved2:4;
+       s32 bl_b:12;
+       s32 __reserved3:4;
+} __packed;
+
+struct imgu_abi_shd_intra_frame_operations_data {
+       struct imgu_abi_acc_operation
+               operation_list[IMGU_ABI_SHD_MAX_OPERATIONS] IPU3_ALIGN;
+       struct imgu_abi_acc_process_lines_cmd_data
+               process_lines_data[IMGU_ABI_SHD_MAX_PROCESS_LINES] IPU3_ALIGN;
+       struct imgu_abi_shd_transfer_luts_set_data
+               transfer_data[IMGU_ABI_SHD_MAX_TRANSFERS] IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_shd_config {
+       struct ipu3_uapi_shd_config_static shd IMGU_ABI_PAD;
+       struct imgu_abi_shd_intra_frame_operations_data shd_ops IMGU_ABI_PAD;
+       struct ipu3_uapi_shd_lut shd_lut IMGU_ABI_PAD;
+} __packed;
+
+struct imgu_abi_stripe_input_frame_resolution {
+       __u16 width;
+       __u16 height;
+       __u32 bayer_order;              /* enum ipu3_uapi_bayer_order */
+       __u32 raw_bit_depth;
+} __packed;
+
+/* Stripe-based processing */
+
+struct imgu_abi_stripes {
+       /* offset from start of frame - measured in pixels */
+       __u16 offset;
+       /* stripe width - measured in pixels */
+       __u16 width;
+       /* stripe width - measured in pixels */
+       __u16 height;
+} __packed;
+
+struct imgu_abi_stripe_data {
+       /*
+        * number of stripes for current processing source
+        * - VLIW binary parameter we currently support 1 or 2 stripes
+        */
+       __u16 num_of_stripes;
+
+       __u8 padding[2];
+
+       /*
+        * the following data is derived from resolution-related
+        * pipe config and from num_of_stripes
+        */
+
+       /*
+        *'input-stripes' - before input cropping
+        * used by input feeder
+        */
+       struct imgu_abi_stripe_input_frame_resolution input_frame;
+
+       /*'effective-stripes' - after input cropping used dpc, bds */
+       struct imgu_abi_stripes effective_stripes[IPU3_UAPI_MAX_STRIPES];
+
+       /* 'down-scaled-stripes' - after down-scaling ONLY. used by BDS */
+       struct imgu_abi_stripes down_scaled_stripes[IPU3_UAPI_MAX_STRIPES];
+
+       /*
+        *'bds-out-stripes' - after bayer down-scaling and padding.
+        * used by all algos starting with norm up to the ref-frame for GDC
+        * (currently up to the output kernel)
+        */
+       struct imgu_abi_stripes bds_out_stripes[IPU3_UAPI_MAX_STRIPES];
+
+       /* 'bds-out-stripes (no overlap)' - used for ref kernel */
+       struct imgu_abi_stripes
+                       bds_out_stripes_no_overlap[IPU3_UAPI_MAX_STRIPES];
+
+       /*
+        * input resolution for output system (equal to bds_out - envelope)
+        * output-system input frame width as configured by user
+        */
+       __u16 output_system_in_frame_width;
+       /* output-system input frame height as configured by user */
+       __u16 output_system_in_frame_height;
+
+       /*
+        * 'output-stripes' - accounts for stiching on the output (no overlap)
+        * used by the output kernel
+        */
+       struct imgu_abi_stripes output_stripes[IPU3_UAPI_MAX_STRIPES];
+
+       /*
+        * 'block-stripes' - accounts for stiching by the output system
+        * (1 or more blocks overlap)
+        * used by DVS, TNR and the output system kernel
+        */
+       struct imgu_abi_stripes block_stripes[IPU3_UAPI_MAX_STRIPES];
+
+       __u16 effective_frame_width;    /* Needed for vertical cropping */
+       __u16 bds_frame_width;
+       __u16 out_frame_width;  /* Output frame width as configured by user */
+       __u16 out_frame_height; /* Output frame height as configured by user */
+
+       /* GDC in buffer (A.K.A delay frame,ref buffer) info */
+       __u16 gdc_in_buffer_width;      /* GDC in buffer width  */
+       __u16 gdc_in_buffer_height;     /* GDC in buffer height */
+       /* GDC in buffer first valid pixel x offset */
+       __u16 gdc_in_buffer_offset_x;
+       /* GDC in buffer first valid pixel y offset */
+       __u16 gdc_in_buffer_offset_y;
+
+       /* Display frame width as configured by user */
+       __u16 display_frame_width;
+       /* Display frame height as configured by user */
+       __u16 display_frame_height;
+       __u16 bds_aligned_frame_width;
+       /* Number of vectors to left-crop when writing stripes (not stripe 0) */
+       __u16 half_overlap_vectors;
+       /* Decimate ISP and fixed func resolutions after BDS (ir_extraction) */
+       __u16 ir_ext_decimation;
+       __u8 padding1[2];
+} __packed;
+
+/* Input feeder related structs */
+
+struct imgu_abi_input_feeder_data {
+       __u32 row_stride;                               /* row stride */
+       __u32 start_row_address;                        /* start row address */
+       __u32 start_pixel;                              /* start pixel */
+} __packed;
+
+struct imgu_abi_input_feeder_data_aligned {
+       struct imgu_abi_input_feeder_data data IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_input_feeder_data_per_stripe {
+       struct imgu_abi_input_feeder_data_aligned
+               input_feeder_data[IPU3_UAPI_MAX_STRIPES];
+} __packed;
+
+struct imgu_abi_input_feeder_config {
+       struct imgu_abi_input_feeder_data data;
+       struct imgu_abi_input_feeder_data_per_stripe data_per_stripe
+               IPU3_ALIGN;
+} __packed;
+
+/* DVS related definitions */
+
+#define IMGU_ABI_DVS_STAT_LEVELS               3
+
+struct imgu_abi_dvs_stat_grd_config {
+       __u8 grid_width;                                /* 5 bits */
+       __u8 grid_height;
+       __u8 block_width;                               /* 8 bits */
+       __u8 block_height;
+       __u16 x_start;                                  /* 12 bits */
+       __u16 y_start;
+       __u16 enable;
+       __u16 x_end;                                    /* 12 bits */
+       __u16 y_end;
+} __packed;
+
+struct imgu_abi_dvs_stat_cfg {
+       __u8 __reserved0[4];
+       struct imgu_abi_dvs_stat_grd_config
+                                       grd_config[IMGU_ABI_DVS_STAT_LEVELS];
+       __u8 __reserved1[18];
+} __packed;
+
+struct imgu_abi_dvs_stat_transfer_op_data {
+       __u8 set_number;
+} __packed;
+
+struct imgu_abi_dvs_stat_intra_frame_operations_data {
+       struct imgu_abi_acc_operation
+               ops[IMGU_ABI_DVS_STAT_MAX_OPERATIONS] IPU3_ALIGN;
+       struct imgu_abi_acc_process_lines_cmd_data
+               process_lines_data[IMGU_ABI_DVS_STAT_MAX_PROCESS_LINES]
+               IPU3_ALIGN;
+       struct imgu_abi_dvs_stat_transfer_op_data
+               transfer_data[IMGU_ABI_DVS_STAT_MAX_TRANSFERS] IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_dvs_stat_config {
+       struct imgu_abi_dvs_stat_cfg cfg IPU3_ALIGN;
+       __u8 __reserved0[128];
+       struct imgu_abi_dvs_stat_intra_frame_operations_data operations_data;
+       __u8 __reserved1[64];
+} __packed;
+
+/* Output formatter related structs */
+
+struct imgu_abi_osys_formatter_params {
+       __u32 format;
+       __u32 flip;
+       __u32 mirror;
+       __u32 tiling;
+       __u32 reduce_range;
+       __u32 alpha_blending;
+       __u32 release_inp_addr;
+       __u32 release_inp_en;
+       __u32 process_out_buf_addr;
+       __u32 image_width_vecs;
+       __u32 image_height_lines;
+       __u32 inp_buff_y_st_addr;
+       __u32 inp_buff_y_line_stride;
+       __u32 inp_buff_y_buffer_stride;
+       __u32 int_buff_u_st_addr;
+       __u32 int_buff_v_st_addr;
+       __u32 inp_buff_uv_line_stride;
+       __u32 inp_buff_uv_buffer_stride;
+       __u32 out_buff_level;
+       __u32 out_buff_nr_y_lines;
+       __u32 out_buff_u_st_offset;
+       __u32 out_buff_v_st_offset;
+       __u32 out_buff_y_line_stride;
+       __u32 out_buff_uv_line_stride;
+       __u32 hist_buff_st_addr;
+       __u32 hist_buff_line_stride;
+       __u32 hist_buff_nr_lines;
+} __packed;
+
+struct imgu_abi_osys_formatter {
+       struct imgu_abi_osys_formatter_params param IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_osys_scaler_params {
+       __u32 inp_buf_y_st_addr;
+       __u32 inp_buf_y_line_stride;
+       __u32 inp_buf_y_buffer_stride;
+       __u32 inp_buf_u_st_addr;
+       __u32 inp_buf_v_st_addr;
+       __u32 inp_buf_uv_line_stride;
+       __u32 inp_buf_uv_buffer_stride;
+       __u32 inp_buf_chunk_width;
+       __u32 inp_buf_nr_buffers;
+       /* Output buffers */
+       __u32 out_buf_y_st_addr;
+       __u32 out_buf_y_line_stride;
+       __u32 out_buf_y_buffer_stride;
+       __u32 out_buf_u_st_addr;
+       __u32 out_buf_v_st_addr;
+       __u32 out_buf_uv_line_stride;
+       __u32 out_buf_uv_buffer_stride;
+       __u32 out_buf_nr_buffers;
+       /* Intermediate buffers */
+       __u32 int_buf_y_st_addr;
+       __u32 int_buf_y_line_stride;
+       __u32 int_buf_u_st_addr;
+       __u32 int_buf_v_st_addr;
+       __u32 int_buf_uv_line_stride;
+       __u32 int_buf_height;
+       __u32 int_buf_chunk_width;
+       __u32 int_buf_chunk_height;
+       /* Context buffers */
+       __u32 ctx_buf_hor_y_st_addr;
+       __u32 ctx_buf_hor_u_st_addr;
+       __u32 ctx_buf_hor_v_st_addr;
+       __u32 ctx_buf_ver_y_st_addr;
+       __u32 ctx_buf_ver_u_st_addr;
+       __u32 ctx_buf_ver_v_st_addr;
+       /* Addresses for release-input and process-output tokens */
+       __u32 release_inp_buf_addr;
+       __u32 release_inp_buf_en;
+       __u32 release_out_buf_en;
+       __u32 process_out_buf_addr;
+       /* Settings dimensions, padding, cropping */
+       __u32 input_image_y_width;
+       __u32 input_image_y_height;
+       __u32 input_image_y_start_column;
+       __u32 input_image_uv_start_column;
+       __u32 input_image_y_left_pad;
+       __u32 input_image_uv_left_pad;
+       __u32 input_image_y_right_pad;
+       __u32 input_image_uv_right_pad;
+       __u32 input_image_y_top_pad;
+       __u32 input_image_uv_top_pad;
+       __u32 input_image_y_bottom_pad;
+       __u32 input_image_uv_bottom_pad;
+       __u32 processing_mode;
+#define IMGU_ABI_OSYS_PROCMODE_BYPASS          0
+#define IMGU_ABI_OSYS_PROCMODE_UPSCALE         1
+#define IMGU_ABI_OSYS_PROCMODE_DOWNSCALE       2
+       __u32 scaling_ratio;
+       __u32 y_left_phase_init;
+       __u32 uv_left_phase_init;
+       __u32 y_top_phase_init;
+       __u32 uv_top_phase_init;
+       __u32 coeffs_exp_shift;
+       __u32 out_y_left_crop;
+       __u32 out_uv_left_crop;
+       __u32 out_y_top_crop;
+       __u32 out_uv_top_crop;
+} __packed;
+
+struct imgu_abi_osys_scaler {
+       struct imgu_abi_osys_scaler_params param IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_osys_frame_params {
+       /* Output pins */
+       __u32 enable;
+       __u32 format;           /* enum imgu_abi_osys_format */
+       __u32 flip;
+       __u32 mirror;
+       __u32 tiling;           /* enum imgu_abi_osys_tiling */
+       __u32 width;
+       __u32 height;
+       __u32 stride;
+       __u32 scaled;
+} __packed;
+
+struct imgu_abi_osys_frame {
+       struct imgu_abi_osys_frame_params param IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_osys_stripe {
+       /* Input resolution */
+       __u32 input_width;
+       __u32 input_height;
+       /* Output Stripe */
+       __u32 output_width[IMGU_ABI_OSYS_PINS];
+       __u32 output_height[IMGU_ABI_OSYS_PINS];
+       __u32 output_offset[IMGU_ABI_OSYS_PINS];
+       __u32 buf_stride[IMGU_ABI_OSYS_PINS];
+       /* Scaler params */
+       __u32 block_width;
+       __u32 block_height;
+       /* Output Crop factor */
+       __u32 crop_top[IMGU_ABI_OSYS_PINS];
+       __u32 crop_left[IMGU_ABI_OSYS_PINS];
+} __packed;
+
+struct imgu_abi_osys_config {
+       struct imgu_abi_osys_formatter
+               formatter[IPU3_UAPI_MAX_STRIPES][IMGU_ABI_OSYS_PINS];
+       struct imgu_abi_osys_scaler scaler[IPU3_UAPI_MAX_STRIPES];
+       struct imgu_abi_osys_frame frame[IMGU_ABI_OSYS_PINS];
+       struct imgu_abi_osys_stripe stripe[IPU3_UAPI_MAX_STRIPES];
+       /* 32 packed coefficients for luma and chroma */
+       __s8 scaler_coeffs_chroma[128];
+       __s8 scaler_coeffs_luma[128];
+} __packed;
+
+/* Defect pixel correction */
+
+struct imgu_abi_dpc_config {
+       __u8 __reserved[240832];
+} __packed;
+
+/* BDS */
+
+struct imgu_abi_bds_per_stripe_data {
+       struct ipu3_uapi_bds_hor_ctrl0 hor_ctrl0;
+       struct ipu3_uapi_bds_ver_ctrl1 ver_ctrl1;
+       struct ipu3_uapi_bds_hor_ctrl1 crop;
+} __packed;
+
+struct imgu_abi_bds_per_stripe_data_aligned {
+       struct imgu_abi_bds_per_stripe_data data IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_bds_per_stripe {
+       struct imgu_abi_bds_per_stripe_data_aligned
+               aligned_data[IPU3_UAPI_MAX_STRIPES];
+} __packed;
+
+struct imgu_abi_bds_config {
+       struct ipu3_uapi_bds_hor hor IPU3_ALIGN;
+       struct ipu3_uapi_bds_ver ver IPU3_ALIGN;
+       struct imgu_abi_bds_per_stripe per_stripe IPU3_ALIGN;
+       __u32 enabled;
+} __packed;
+
+/* AF */
+
+struct imgu_abi_af_frame_size {
+       __u16 width;
+       __u16 height;
+} __packed;
+
+struct imgu_abi_af_config_s {
+       struct ipu3_uapi_af_filter_config filter_config IPU3_ALIGN;
+       struct imgu_abi_af_frame_size frame_size;
+       struct ipu3_uapi_grid_config grid_cfg IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_af_intra_frame_operations_data {
+       struct imgu_abi_acc_operation ops[IMGU_ABI_AF_MAX_OPERATIONS]
+               IPU3_ALIGN;
+       struct imgu_abi_acc_process_lines_cmd_data
+               process_lines_data[IMGU_ABI_AF_MAX_PROCESS_LINES] IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_af_stripe_config {
+       struct imgu_abi_af_frame_size frame_size IPU3_ALIGN;
+       struct ipu3_uapi_grid_config grid_cfg IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_af_config {
+       struct imgu_abi_af_config_s config;
+       struct imgu_abi_af_intra_frame_operations_data operations_data;
+       struct imgu_abi_af_stripe_config stripes[IPU3_UAPI_MAX_STRIPES];
+} __packed;
+
+/* AE */
+
+struct imgu_abi_ae_config {
+       struct ipu3_uapi_ae_grid_config grid_cfg IPU3_ALIGN;
+       struct ipu3_uapi_ae_weight_elem weights[IPU3_UAPI_AE_WEIGHTS]
+                                                               IPU3_ALIGN;
+       struct ipu3_uapi_ae_ccm ae_ccm IPU3_ALIGN;
+       struct {
+               struct ipu3_uapi_ae_grid_config grid IPU3_ALIGN;
+       } stripes[IPU3_UAPI_MAX_STRIPES];
+} __packed;
+
+/* AWB_FR */
+
+struct imgu_abi_awb_fr_intra_frame_operations_data {
+       struct imgu_abi_acc_operation ops[IMGU_ABI_AWB_FR_MAX_OPERATIONS]
+                                                               IPU3_ALIGN;
+       struct imgu_abi_acc_process_lines_cmd_data
+             process_lines_data[IMGU_ABI_AWB_FR_MAX_PROCESS_LINES] IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_awb_fr_config {
+       struct ipu3_uapi_awb_fr_config_s config;
+       struct imgu_abi_awb_fr_intra_frame_operations_data operations_data;
+       struct ipu3_uapi_awb_fr_config_s stripes[IPU3_UAPI_MAX_STRIPES];
+} __packed;
+
+struct imgu_abi_acc_transfer_op_data {
+       __u8 set_number;
+} __packed;
+
+struct IPU3_ALIGN imgu_abi_awb_intra_frame_operations_data {
+       struct imgu_abi_acc_operation ops[IMGU_ABI_AWB_MAX_OPERATIONS]
+               IPU3_ALIGN;
+       struct imgu_abi_acc_process_lines_cmd_data
+               process_lines_data[IMGU_ABI_AWB_MAX_PROCESS_LINES] IPU3_ALIGN;
+       struct imgu_abi_acc_transfer_op_data
+               transfer_data[IMGU_ABI_AWB_MAX_TRANSFERS] IPU3_ALIGN;
+} __packed;
+
+struct imgu_abi_awb_config {
+       struct ipu3_uapi_awb_config_s config IPU3_ALIGN;
+       struct imgu_abi_awb_intra_frame_operations_data operations_data;
+       struct ipu3_uapi_awb_config_s stripes[IPU3_UAPI_MAX_STRIPES];
+} __packed;
+
+struct imgu_abi_acc_param {
+       struct imgu_abi_stripe_data stripe;
+       __u8 padding[8];
+       struct imgu_abi_input_feeder_config input_feeder;
+       struct ipu3_uapi_bnr_static_config bnr;
+       struct ipu3_uapi_bnr_static_config_green_disparity green_disparity
+               IPU3_ALIGN;
+       struct ipu3_uapi_dm_config dm IPU3_ALIGN;
+       struct ipu3_uapi_ccm_mat_config ccm IPU3_ALIGN;
+       struct ipu3_uapi_gamma_config gamma IPU3_ALIGN;
+       struct ipu3_uapi_csc_mat_config csc IPU3_ALIGN;
+       struct ipu3_uapi_cds_params cds IPU3_ALIGN;
+       struct imgu_abi_shd_config shd IPU3_ALIGN;
+       struct imgu_abi_dvs_stat_config dvs_stat;
+       __u8 padding1[224];     /* reserved for lace_stat */
+       struct ipu3_uapi_yuvp1_iefd_config iefd IPU3_ALIGN;
+       struct ipu3_uapi_yuvp1_yds_config yds_c0 IPU3_ALIGN;
+       struct ipu3_uapi_yuvp1_chnr_config chnr_c0 IPU3_ALIGN;
+       struct ipu3_uapi_yuvp1_y_ee_nr_config y_ee_nr IPU3_ALIGN;
+       struct ipu3_uapi_yuvp1_yds_config yds IPU3_ALIGN;
+       struct ipu3_uapi_yuvp1_chnr_config chnr IPU3_ALIGN;
+       struct ipu3_uapi_yuvp2_y_tm_lut_static_config ytm IPU3_ALIGN;
+       struct ipu3_uapi_yuvp1_yds_config yds2 IPU3_ALIGN;
+       struct ipu3_uapi_yuvp2_tcc_static_config tcc IPU3_ALIGN;
+       struct imgu_abi_dpc_config dpc IPU3_ALIGN;
+       struct imgu_abi_bds_config bds;
+       struct ipu3_uapi_anr_config anr;
+       struct imgu_abi_awb_fr_config awb_fr;
+       struct imgu_abi_ae_config ae;
+       struct imgu_abi_af_config af;
+       struct imgu_abi_awb_config awb;
+       struct imgu_abi_osys_config osys;
+} __packed;
+
+/***** Morphing table entry *****/
+
+#define IMGU_ABI_GDC_FRAC_BITS         8
+
+struct imgu_abi_gdc_warp_param {
+       __u32 origin_x;
+       __u32 origin_y;
+       __u32 in_addr_offset;
+       __u32 in_block_width;
+       __u32 in_block_height;
+       __u32 p0_x;
+       __u32 p0_y;
+       __u32 p1_x;
+       __u32 p1_y;
+       __u32 p2_x;
+       __u32 p2_y;
+       __u32 p3_x;
+       __u32 p3_y;
+       __u32 in_block_width_a;
+       __u32 in_block_width_b;
+       __u32 padding;                  /* struct size multiple of DDR word */
+} __packed;
+
+/******************* Firmware ABI definitions *******************/
+
+/***** struct imgu_abi_sp_stage *****/
+
+#define IMGU_ABI_BINARY_MAX_OUTPUT_PORTS 2
+
+enum imgu_abi_queue_id {
+       IMGU_ABI_QUEUE_EVENT_ID = -1,
+       IMGU_ABI_QUEUE_A_ID = 0,
+       IMGU_ABI_QUEUE_B_ID,
+       IMGU_ABI_QUEUE_C_ID,
+       IMGU_ABI_QUEUE_D_ID,
+       IMGU_ABI_QUEUE_E_ID,
+       IMGU_ABI_QUEUE_F_ID,
+       IMGU_ABI_QUEUE_G_ID,
+       IMGU_ABI_QUEUE_H_ID,            /* input frame queue for skycam */
+       IMGU_ABI_QUEUE_NUM
+};
+
+enum imgu_abi_buffer_type {
+       IMGU_ABI_BUFFER_TYPE_INVALID = -1,
+       IMGU_ABI_BUFFER_TYPE_3A_STATISTICS = 0,
+       IMGU_ABI_BUFFER_TYPE_DIS_STATISTICS,
+       IMGU_ABI_BUFFER_TYPE_LACE_STATISTICS,
+       IMGU_ABI_BUFFER_TYPE_INPUT_FRAME,
+       IMGU_ABI_BUFFER_TYPE_OUTPUT_FRAME,
+       IMGU_ABI_BUFFER_TYPE_SEC_OUTPUT_FRAME,
+       IMGU_ABI_BUFFER_TYPE_VF_OUTPUT_FRAME,
+       IMGU_ABI_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME,
+       IMGU_ABI_BUFFER_TYPE_RAW_OUTPUT_FRAME,
+       IMGU_ABI_BUFFER_TYPE_CUSTOM_INPUT,
+       IMGU_ABI_BUFFER_TYPE_CUSTOM_OUTPUT,
+       IMGU_ABI_BUFFER_TYPE_METADATA,
+       IMGU_ABI_BUFFER_TYPE_PARAMETER_SET,
+       IMGU_ABI_BUFFER_TYPE_PER_FRAME_PARAMETER_SET,
+       IMGU_ABI_NUM_DYNAMIC_BUFFER_TYPE,
+       IMGU_ABI_NUM_BUFFER_TYPE
+};
+
+struct imgu_abi_crop_pos {
+       u16 x;
+       u16 y;
+} __packed;
+
+struct imgu_abi_sp_resolution {
+       u16 width;                      /* Width of valid data in pixels */
+       u16 height;                     /* Height of valid data in lines */
+} __packed;
+
+/*
+ * Frame info struct. This describes the contents of an image frame buffer.
+ */
+struct imgu_abi_frame_sp_info {
+       struct imgu_abi_sp_resolution res;
+       u16 padded_width;               /* stride of line in memory
+                                        * (in pixels)
+                                        */
+       u8 format;                      /* format of the frame data */
+       u8 raw_bit_depth;               /* number of valid bits per pixel,
+                                        * only valid for RAW bayer frames
+                                        */
+       u8 raw_bayer_order;             /* bayer order, only valid
+                                        * for RAW bayer frames
+                                        */
+       u8 raw_type;            /* To choose the proper raw frame type. for
+                                * Legacy SKC pipes/Default is set to
+                                * IMGU_ABI_RAW_TYPE_BAYER. For RGB IR sensor -
+                                * driver should set it to:
+                                * IronGr case - IMGU_ABI_RAW_TYPE_IR_ON_GR
+                                * IronGb case - IMGU_ABI_RAW_TYPE_IR_ON_GB
+                                */
+#define IMGU_ABI_RAW_TYPE_BAYER                0
+#define IMGU_ABI_RAW_TYPE_IR_ON_GR     1
+#define IMGU_ABI_RAW_TYPE_IR_ON_GB     2
+       u8 padding[2];                  /* Extend to 32 bit multiple */
+} __packed;
+
+struct imgu_abi_buffer_sp {
+       union {
+               imgu_addr_t xmem_addr;
+               s32 queue_id;   /* enum imgu_abi_queue_id */
+       } buf_src;
+       s32 buf_type;   /* enum imgu_abi_buffer_type */
+} __packed;
+
+struct imgu_abi_frame_sp_plane {
+       u32 offset;             /* offset in bytes to start of frame data */
+                               /* offset is wrt data in imgu_abi_sp_sp_frame */
+} __packed;
+
+struct imgu_abi_frame_sp_rgb_planes {
+       struct imgu_abi_frame_sp_plane r;
+       struct imgu_abi_frame_sp_plane g;
+       struct imgu_abi_frame_sp_plane b;
+} __packed;
+
+struct imgu_abi_frame_sp_yuv_planes {
+       struct imgu_abi_frame_sp_plane y;
+       struct imgu_abi_frame_sp_plane u;
+       struct imgu_abi_frame_sp_plane v;
+} __packed;
+
+struct imgu_abi_frame_sp_nv_planes {
+       struct imgu_abi_frame_sp_plane y;
+       struct imgu_abi_frame_sp_plane uv;
+} __packed;
+
+struct imgu_abi_frame_sp_plane6 {
+       struct imgu_abi_frame_sp_plane r;
+       struct imgu_abi_frame_sp_plane r_at_b;
+       struct imgu_abi_frame_sp_plane gr;
+       struct imgu_abi_frame_sp_plane gb;
+       struct imgu_abi_frame_sp_plane b;
+       struct imgu_abi_frame_sp_plane b_at_r;
+} __packed;
+
+struct imgu_abi_frame_sp_binary_plane {
+       u32 size;
+       struct imgu_abi_frame_sp_plane data;
+} __packed;
+
+struct imgu_abi_frame_sp {
+       struct imgu_abi_frame_sp_info info;
+       struct imgu_abi_buffer_sp buf_attr;
+       union {
+               struct imgu_abi_frame_sp_plane raw;
+               struct imgu_abi_frame_sp_plane rgb;
+               struct imgu_abi_frame_sp_rgb_planes planar_rgb;
+               struct imgu_abi_frame_sp_plane yuyv;
+               struct imgu_abi_frame_sp_yuv_planes yuv;
+               struct imgu_abi_frame_sp_nv_planes nv;
+               struct imgu_abi_frame_sp_plane6 plane6;
+               struct imgu_abi_frame_sp_binary_plane binary;
+       } planes;
+} __packed;
+
+struct imgu_abi_resolution {
+       u32 width;
+       u32 height;
+} __packed;
+
+struct imgu_abi_frames_sp {
+       struct imgu_abi_frame_sp in;
+       struct imgu_abi_frame_sp out[IMGU_ABI_BINARY_MAX_OUTPUT_PORTS];
+       struct imgu_abi_resolution effective_in_res;
+       struct imgu_abi_frame_sp out_vf;
+       struct imgu_abi_frame_sp_info internal_frame_info;
+       struct imgu_abi_buffer_sp s3a_buf;
+       struct imgu_abi_buffer_sp dvs_buf;
+       struct imgu_abi_buffer_sp lace_buf;
+} __packed;
+
+struct imgu_abi_uds_info {
+       u16 curr_dx;
+       u16 curr_dy;
+       u16 xc;
+       u16 yc;
+} __packed;
+
+/* Information for a single pipeline stage */
+struct imgu_abi_sp_stage {
+       /* Multiple boolean flags can be stored in an integer */
+       u8 num;                         /* Stage number */
+       u8 isp_online;
+       u8 isp_copy_vf;
+       u8 isp_copy_output;
+       u8 sp_enable_xnr;
+       u8 isp_deci_log_factor;
+       u8 isp_vf_downscale_bits;
+       u8 deinterleaved;
+       /*
+        * NOTE: Programming the input circuit can only be done at the
+        * start of a session. It is illegal to program it during execution
+        * The input circuit defines the connectivity
+        */
+       u8 program_input_circuit;
+       u8 func;
+#define IMGU_ABI_STAGE_FUNC_RAW_COPY   0
+#define IMGU_ABI_STAGE_FUNC_BIN_COPY   1
+#define IMGU_ABI_STAGE_FUNC_ISYS_COPY  2
+#define IMGU_ABI_STAGE_FUNC_NO_FUNC    3
+       u8 stage_type;                  /* The type of the pipe-stage */
+#define IMGU_ABI_STAGE_TYPE_SP         0
+#define IMGU_ABI_STAGE_TYPE_ISP                1
+       u8 num_stripes;
+       u8 isp_pipe_version;
+       struct {
+               u8 vf_output;
+               u8 s3a;
+               u8 sdis;
+               u8 dvs_stats;
+               u8 lace_stats;
+       } enable;
+
+       struct imgu_abi_crop_pos sp_out_crop_pos;
+       u8 padding[2];
+       struct imgu_abi_frames_sp frames;
+       struct imgu_abi_resolution dvs_envelope;
+       struct imgu_abi_uds_info uds;
+       imgu_addr_t isp_stage_addr;
+       imgu_addr_t xmem_bin_addr;
+       imgu_addr_t xmem_map_addr;
+
+       u16 top_cropping;
+       u16 row_stripes_height;
+       u16 row_stripes_overlap_lines;
+       u8 if_config_index;     /* Which should be applied by this stage. */
+       u8 padding2;
+} __packed;
+
+/***** struct imgu_abi_isp_stage *****/
+
+#define IMGU_ABI_MAX_BINARY_NAME  64
+
+enum imgu_abi_memories {
+       IMGU_ABI_MEM_ISP_PMEM0 = 0,
+       IMGU_ABI_MEM_ISP_DMEM0,
+       IMGU_ABI_MEM_ISP_VMEM0,
+       IMGU_ABI_MEM_ISP_VAMEM0,
+       IMGU_ABI_MEM_ISP_VAMEM1,
+       IMGU_ABI_MEM_ISP_VAMEM2,
+       IMGU_ABI_MEM_ISP_HMEM0,
+       IMGU_ABI_MEM_SP0_DMEM0,
+       IMGU_ABI_MEM_SP1_DMEM0,
+       IMGU_ABI_MEM_DDR,
+       IMGU_ABI_NUM_MEMORIES
+};
+
+enum imgu_abi_param_class {
+       IMGU_ABI_PARAM_CLASS_PARAM,     /* Late binding parameters, like 3A */
+       IMGU_ABI_PARAM_CLASS_CONFIG,    /* Pipe config time parameters */
+       IMGU_ABI_PARAM_CLASS_STATE,     /* State parameters, eg. buffer index */
+       IMGU_ABI_PARAM_CLASS_NUM
+};
+
+struct imgu_abi_isp_param_memory_offsets {
+       u32 offsets[IMGU_ABI_PARAM_CLASS_NUM];  /* offset wrt hdr in bytes */
+} __packed;
+
+/*
+ * Blob descriptor.
+ * This structure describes an SP or ISP blob.
+ * It describes the test, data and bss sections as well as position in a
+ * firmware file.
+ * For convenience, it contains dynamic data after loading.
+ */
+struct imgu_abi_blob_info {
+       /* Static blob data */
+       u32 offset;                     /* Blob offset in fw file */
+       struct imgu_abi_isp_param_memory_offsets memory_offsets;
+                                       /* offset wrt hdr in bytes */
+       u32 prog_name_offset;           /* offset wrt hdr in bytes */
+       u32 size;                       /* Size of blob */
+       u32 padding_size;               /* total cummulative of bytes added
+                                        * due to section alignment
+                                        */
+       u32 icache_source;              /* Position of icache in blob */
+       u32 icache_size;                /* Size of icache section */
+       u32 icache_padding;     /* added due to icache section alignment */
+       u32 text_source;                /* Position of text in blob */
+       u32 text_size;                  /* Size of text section */
+       u32 text_padding;       /* bytes added due to text section alignment */
+       u32 data_source;                /* Position of data in blob */
+       u32 data_target;                /* Start of data in SP dmem */
+       u32 data_size;                  /* Size of text section */
+       u32 data_padding;       /* bytes added due to data section alignment */
+       u32 bss_target;         /* Start position of bss in SP dmem */
+       u32 bss_size;                   /* Size of bss section
+                                        * Dynamic data filled by loader
+                                        */
+       const void *code __aligned(8);  /* Code section absolute pointer */
+                                       /* within fw, code = icache + text */
+       const void *data __aligned(8);  /* Data section absolute pointer */
+                                       /* within fw, data = data + bss */
+} __packed;
+
+struct imgu_abi_binary_pipeline_info {
+       u32 mode;
+       u32 isp_pipe_version;
+       u32 pipelining;
+       u32 c_subsampling;
+       u32 top_cropping;
+       u32 left_cropping;
+       u32 variable_resolution;
+} __packed;
+
+struct imgu_abi_binary_input_info {
+       u32 min_width;
+       u32 min_height;
+       u32 max_width;
+       u32 max_height;
+       u32 source;                     /* memory, sensor, variable */
+#define IMGU_ABI_BINARY_INPUT_SOURCE_SENSOR    0
+#define IMGU_ABI_BINARY_INPUT_SOURCE_MEMORY    1
+#define IMGU_ABI_BINARY_INPUT_SOURCE_VARIABLE  2
+} __packed;
+
+struct imgu_abi_binary_output_info {
+       u32 min_width;
+       u32 min_height;
+       u32 max_width;
+       u32 max_height;
+       u32 num_chunks;
+       u32 variable_format;
+} __packed;
+
+struct imgu_abi_binary_internal_info {
+       u32 max_width;
+       u32 max_height;
+} __packed;
+
+struct imgu_abi_binary_bds_info {
+       u32 supported_bds_factors;
+} __packed;
+
+struct imgu_abi_binary_dvs_info {
+       u32 max_envelope_width;
+       u32 max_envelope_height;
+} __packed;
+
+struct imgu_abi_binary_vf_dec_info {
+       u32 is_variable;
+       u32 max_log_downscale;
+} __packed;
+
+struct imgu_abi_binary_s3a_info {
+       u32 s3atbl_use_dmem;
+       u32 fixed_s3a_deci_log;
+} __packed;
+
+struct imgu_abi_binary_dpc_info {
+       u32 bnr_lite;                   /* bnr lite enable flag */
+} __packed;
+
+struct imgu_abi_binary_iterator_info {
+       u32 num_stripes;
+       u32 row_stripes_height;
+       u32 row_stripes_overlap_lines;
+} __packed;
+
+struct imgu_abi_binary_address_info {
+       u32 isp_addresses;              /* Address in ISP dmem */
+       u32 main_entry;                 /* Address of entry fct */
+       u32 in_frame;                   /* Address in ISP dmem */
+       u32 out_frame;                  /* Address in ISP dmem */
+       u32 in_data;                    /* Address in ISP dmem */
+       u32 out_data;                   /* Address in ISP dmem */
+       u32 sh_dma_cmd_ptr;             /* In ISP dmem */
+} __packed;
+
+struct imgu_abi_binary_uds_info {
+       u16 bpp;
+       u16 use_bci;
+       u16 use_str;
+       u16 woix;
+       u16 woiy;
+       u16 extra_out_vecs;
+       u16 vectors_per_line_in;
+       u16 vectors_per_line_out;
+       u16 vectors_c_per_line_in;
+       u16 vectors_c_per_line_out;
+       u16 vmem_gdc_in_block_height_y;
+       u16 vmem_gdc_in_block_height_c;
+} __packed;
+
+struct imgu_abi_binary_block_info {
+       u32 block_width;
+       u32 block_height;
+       u32 output_block_height;
+} __packed;
+
+struct imgu_abi_isp_data {
+       imgu_addr_t address;            /* ISP address */
+       u32 size;                       /* Disabled if 0 */
+} __packed;
+
+struct imgu_abi_isp_param_segments {
+       struct imgu_abi_isp_data
+                       params[IMGU_ABI_PARAM_CLASS_NUM][IMGU_ABI_NUM_MEMORIES];
+} __packed;
+
+struct imgu_abi_binary_info {
+       u32 id __aligned(8);            /* IMGU_ABI_BINARY_ID_* */
+       struct imgu_abi_binary_pipeline_info pipeline;
+       struct imgu_abi_binary_input_info input;
+       struct imgu_abi_binary_output_info output;
+       struct imgu_abi_binary_internal_info internal;
+       struct imgu_abi_binary_bds_info bds;
+       struct imgu_abi_binary_dvs_info dvs;
+       struct imgu_abi_binary_vf_dec_info vf_dec;
+       struct imgu_abi_binary_s3a_info s3a;
+       struct imgu_abi_binary_dpc_info dpc_bnr; /* DPC related binary info */
+       struct imgu_abi_binary_iterator_info iterator;
+       struct imgu_abi_binary_address_info addresses;
+       struct imgu_abi_binary_uds_info uds;
+       struct imgu_abi_binary_block_info block;
+       struct imgu_abi_isp_param_segments mem_initializers;
+       struct {
+               u8 input_feeder;
+               u8 output_system;
+               u8 obgrid;
+               u8 lin;
+               u8 dpc_acc;
+               u8 bds_acc;
+               u8 shd_acc;
+               u8 shd_ff;
+               u8 stats_3a_raw_buffer;
+               u8 acc_bayer_denoise;
+               u8 bnr_ff;
+               u8 awb_acc;
+               u8 awb_fr_acc;
+               u8 anr_acc;
+               u8 rgbpp_acc;
+               u8 rgbpp_ff;
+               u8 demosaic_acc;
+               u8 demosaic_ff;
+               u8 dvs_stats;
+               u8 lace_stats;
+               u8 yuvp1_b0_acc;
+               u8 yuvp1_c0_acc;
+               u8 yuvp2_acc;
+               u8 ae;
+               u8 af;
+               u8 dergb;
+               u8 rgb2yuv;
+               u8 high_quality;
+               u8 kerneltest;
+               u8 routing_shd_to_bnr;          /* connect SHD with BNR ACCs*/
+               u8 routing_bnr_to_anr;          /* connect BNR with ANR ACCs*/
+               u8 routing_anr_to_de;           /* connect ANR with DE ACCs */
+               u8 routing_rgb_to_yuvp1;        /* connect RGB with YUVP1 ACCs*/
+               u8 routing_yuvp1_to_yuvp2;    /* connect YUVP1 with YUVP2 ACCs*/
+               u8 luma_only;
+               u8 input_yuv;
+               u8 input_raw;
+               u8 reduced_pipe;
+               u8 vf_veceven;
+               u8 dis;
+               u8 dvs_envelope;
+               u8 uds;
+               u8 dvs_6axis;
+               u8 block_output;
+               u8 streaming_dma;
+               u8 ds;
+               u8 bayer_fir_6db;
+               u8 raw_binning;
+               u8 continuous;
+               u8 s3a;
+               u8 fpnr;
+               u8 sc;
+               u8 macc;
+               u8 output;
+               u8 ref_frame;
+               u8 tnr;
+               u8 xnr;
+               u8 params;
+               u8 ca_gdc;
+               u8 isp_addresses;
+               u8 in_frame;
+               u8 out_frame;
+               u8 high_speed;
+               u8 dpc;
+               u8 padding[2];
+               u8 rgbir;
+       } enable;
+       struct {
+               /* DMA channel ID: [0,...,IMGU_NUM_DMA_CHANNELS> */
+#define IMGU_NUM_DMA_CHANNELS          19
+               u8 ref_y_channel;
+               u8 ref_c_channel;
+               u8 tnr_channel;
+               u8 tnr_out_channel;
+               u8 dvs_coords_channel;
+               u8 output_channel;
+               u8 c_channel;
+               u8 vfout_channel;
+               u8 vfout_c_channel;
+               u8 vfdec_bits_per_pixel;
+               u8 claimed_by_isp;
+               u8 padding[2];
+       } dma;
+} __packed;
+
+struct imgu_abi_isp_stage {
+       struct imgu_abi_blob_info blob_info;
+       struct imgu_abi_binary_info binary_info;
+       char binary_name[IMGU_ABI_MAX_BINARY_NAME];
+       struct imgu_abi_isp_param_segments mem_initializers;
+} __packed;
+
+/***** struct imgu_abi_ddr_address_map and parameter set *****/
+
+#define IMGU_ABI_ISP_DDR_WORD_BITS     256
+#define IMGU_ABI_ISP_DDR_WORD_BYTES    (IMGU_ABI_ISP_DDR_WORD_BITS / 8)
+#define IMGU_ABI_MAX_STAGES            3
+
+/* xmem address map allocation */
+struct imgu_abi_ddr_address_map {
+       imgu_addr_t isp_mem_param[IMGU_ABI_MAX_STAGES][IMGU_ABI_NUM_MEMORIES];
+       imgu_addr_t obgrid_tbl[IPU3_UAPI_MAX_STRIPES];
+       imgu_addr_t acc_cluster_params_for_sp;
+       imgu_addr_t dvs_6axis_params_y;
+} __packed;
+
+struct imgu_abi_parameter_set_info {
+       /* Pointers to Parameters in ISP format IMPT */
+       struct imgu_abi_ddr_address_map mem_map;
+       /* Unique ID to track per-frame configurations */
+       u32 isp_parameters_id;
+       /* Output frame to which this config has to be applied (optional) */
+       imgu_addr_t output_frame_ptr;
+} __packed;
+
+/***** struct imgu_abi_sp_group *****/
+
+#define IMGU_ABI_MAX_IF_CONFIGS        3
+
+/* SP configuration information */
+struct imgu_abi_sp_config {
+       u8 no_isp_sync;         /* Signal host immediately after start */
+       u8 enable_raw_pool_locking;    /* Enable Raw Buffer Locking for HALv3 */
+       u8 lock_all;
+       u8 disable_cont_vf;
+       u8 disable_preview_on_capture;
+       u8 padding[3];
+} __packed;
+
+/* Information for a pipeline */
+struct imgu_abi_sp_pipeline {
+       u32 pipe_id;                    /* the pipe ID */
+       u32 pipe_num;                   /* the dynamic pipe number */
+       u32 thread_id;                  /* the sp thread ID */
+       u32 pipe_config;                /* the pipe config */
+#define IMGU_ABI_PIPE_CONFIG_ACQUIRE_ISP       (1 << 31)
+       u32 pipe_qos_config;            /* Bitmap of multiple QOS extension fw
+                                        * state, 0xffffffff indicates non
+                                        * QOS pipe.
+                                        */
+       u32 inout_port_config;
+#define IMGU_ABI_PORT_CONFIG_TYPE_INPUT_HOST           (1 << 0)
+#define IMGU_ABI_PORT_CONFIG_TYPE_INPUT_COPYSINK       (1 << 1)
+#define IMGU_ABI_PORT_CONFIG_TYPE_INPUT_TAGGERSINK     (1 << 2)
+#define IMGU_ABI_PORT_CONFIG_TYPE_OUTPUT_HOST          (1 << 4)
+#define IMGU_ABI_PORT_CONFIG_TYPE_OUTPUT_COPYSINK      (1 << 5)
+#define IMGU_ABI_PORT_CONFIG_TYPE_OUTPUT_TAGGERSINK    (1 << 6)
+       u32 required_bds_factor;
+       u32 dvs_frame_delay;
+       u32 num_stages;         /* the pipe config */
+       u32 running;                    /* needed for pipe termination */
+       imgu_addr_t sp_stage_addr[IMGU_ABI_MAX_STAGES];
+       imgu_addr_t scaler_pp_lut;      /* Early bound LUT */
+       u32 stage;                      /* stage ptr is only used on sp */
+       s32 num_execs;                  /* number of times to run if this is
+                                        * an acceleration pipe.
+                                        */
+       union {
+               struct {
+                       u32 bytes_available;
+               } bin;
+               struct {
+                       u32 height;
+                       u32 width;
+                       u32 padded_width;
+                       u32 max_input_width;
+                       u32 raw_bit_depth;
+               } raw;
+       } copy;
+
+       /* Parameters passed to Shading Correction kernel. */
+       struct {
+               /* Origin X (bqs) of internal frame on shading table */
+               u32 internal_frame_origin_x_bqs_on_sctbl;
+               /* Origin Y (bqs) of internal frame on shading table */
+               u32 internal_frame_origin_y_bqs_on_sctbl;
+       } shading;
+} __packed;
+
+struct imgu_abi_sp_debug_command {
+       /*
+        * The DMA software-mask,
+        *      Bit 31...24: unused.
+        *      Bit 23...16: unused.
+        *      Bit 15...08: reading-request enabling bits for DMA channel 7..0
+        *      Bit 07...00: writing-request enabling bits for DMA channel 7..0
+        *
+        * For example, "0...0 0...0 11111011 11111101" indicates that the
+        * writing request through DMA Channel 1 and the reading request
+        * through DMA channel 2 are both disabled. The others are enabled.
+        */
+       u32 dma_sw_reg;
+} __packed;
+
+#define IMGU_ABI_MAX_SP_THREADS        4
+
+/*
+ * Group all host initialized SP variables into this struct.
+ * This is initialized every stage through dma.
+ * The stage part itself is transferred through imgu_abi_sp_stage.
+ */
+struct imgu_abi_sp_group {
+       struct imgu_abi_sp_config config;
+       struct imgu_abi_sp_pipeline pipe[IMGU_ABI_MAX_SP_THREADS];
+       struct imgu_abi_sp_debug_command debug;
+} __packed;
+
+/***** parameter and state class binary configurations *****/
+
+#define IMGU_ABI_FRAMES_REF            3
+#define IMGU_ABI_FRAMES_TNR            4
+#define IMGU_ABI_BUF_SETS_TNR          1
+
+struct imgu_abi_isp_iterator_config {
+       struct imgu_abi_frame_sp_info input_info;
+       struct imgu_abi_frame_sp_info internal_info;
+       struct imgu_abi_frame_sp_info output_info;
+       struct imgu_abi_frame_sp_info vf_info;
+       struct imgu_abi_sp_resolution dvs_envelope;
+} __packed;
+
+struct imgu_abi_dma_port_config {
+       u8 crop, elems;
+       u16 width;
+       u32 stride;
+} __packed;
+
+struct imgu_abi_isp_ref_config {
+       u32 width_a_over_b;
+       struct imgu_abi_dma_port_config port_b;
+       u32 ref_frame_addr_y[IMGU_ABI_FRAMES_REF];
+       u32 ref_frame_addr_c[IMGU_ABI_FRAMES_REF];
+       u32 dvs_frame_delay;
+} __packed;
+
+struct imgu_abi_isp_ref_dmem_state {
+       u32 ref_in_buf_idx;
+       u32 ref_out_buf_idx;
+} __packed;
+
+struct imgu_abi_isp_dvs_config {
+       u32 num_horizontal_blocks;
+       u32 num_vertical_blocks;
+} __packed;
+
+struct imgu_abi_isp_tnr3_config {
+       u32 width_a_over_b;
+       u32 frame_height;
+       struct imgu_abi_dma_port_config port_b;
+       u32 delay_frame;
+       u32 frame_addr[IMGU_ABI_FRAMES_TNR];
+} __packed;
+
+struct imgu_abi_isp_tnr3_dmem_state {
+       u32 in_bufidx;
+       u32 out_bufidx;
+       u32 total_frame_counter;
+       u32 buffer_frame_counter[IMGU_ABI_BUF_SETS_TNR];
+       u32 bypass_filter;
+} __packed;
+
+/***** Queues *****/
+
+#define IMGU_ABI_EVENT_BUFFER_ENQUEUED(thread, queue)  \
+                               (0 << 24 | (thread) << 16 | (queue) << 8)
+#define IMGU_ABI_EVENT_BUFFER_DEQUEUED(queue)  (1 << 24 | (queue) << 8)
+#define IMGU_ABI_EVENT_EVENT_DEQUEUED          (2 << 24)
+#define IMGU_ABI_EVENT_START_STREAM            (3 << 24)
+#define IMGU_ABI_EVENT_STOP_STREAM             (4 << 24)
+#define IMGU_ABI_EVENT_MIPI_BUFFERS_READY      (5 << 24)
+#define IMGU_ABI_EVENT_UNLOCK_RAW_BUFFER       (6 << 24)
+#define IMGU_ABI_EVENT_STAGE_ENABLE_DISABLE    (7 << 24)
+
+#define IMGU_ABI_HOST2SP_BUFQ_SIZE     3
+#define IMGU_ABI_SP2HOST_BUFQ_SIZE     (2 * IMGU_ABI_MAX_SP_THREADS)
+#define IMGU_ABI_HOST2SP_EVTQ_SIZE     (IMGU_ABI_QUEUE_NUM * \
+               IMGU_ABI_MAX_SP_THREADS * 2 + IMGU_ABI_MAX_SP_THREADS * 4)
+#define IMGU_ABI_SP2HOST_EVTQ_SIZE     (6 * IMGU_ABI_MAX_SP_THREADS)
+
+#define IMGU_ABI_EVTTYPE_EVENT_SHIFT   0
+#define IMGU_ABI_EVTTYPE_EVENT_MASK    (0xff << IMGU_ABI_EVTTYPE_EVENT_SHIFT)
+#define IMGU_ABI_EVTTYPE_PIPE_SHIFT    8
+#define IMGU_ABI_EVTTYPE_PIPE_MASK     (0xff << IMGU_ABI_EVTTYPE_PIPE_SHIFT)
+#define IMGU_ABI_EVTTYPE_PIPEID_SHIFT  16
+#define IMGU_ABI_EVTTYPE_PIPEID_MASK   (0xff << IMGU_ABI_EVTTYPE_PIPEID_SHIFT)
+#define IMGU_ABI_EVTTYPE_MODULEID_SHIFT        8
+#define IMGU_ABI_EVTTYPE_MODULEID_MASK (0xff << 
IMGU_ABI_EVTTYPE_MODULEID_SHIFT)
+#define IMGU_ABI_EVTTYPE_LINENO_SHIFT  16
+#define IMGU_ABI_EVTTYPE_LINENO_MASK   (0xffff << 
IMGU_ABI_EVTTYPE_LINENO_SHIFT)
+
+/* Output frame ready */
+#define IMGU_ABI_EVTTYPE_OUT_FRAME_DONE                        0
+/* Second output frame ready */
+#define IMGU_ABI_EVTTYPE_2ND_OUT_FRAME_DONE            1
+/* Viewfinder Output frame ready */
+#define IMGU_ABI_EVTTYPE_VF_OUT_FRAME_DONE             2
+/* Second viewfinder Output frame ready */
+#define IMGU_ABI_EVTTYPE_2ND_VF_OUT_FRAME_DONE         3
+/* Indication that 3A statistics are available */
+#define IMGU_ABI_EVTTYPE_3A_STATS_DONE                 4
+/* Indication that DIS statistics are available */
+#define IMGU_ABI_EVTTYPE_DIS_STATS_DONE                        5
+/* Pipeline Done event, sent after last pipeline stage */
+#define IMGU_ABI_EVTTYPE_PIPELINE_DONE                 6
+/* Frame tagged */
+#define IMGU_ABI_EVTTYPE_FRAME_TAGGED                  7
+/* Input frame ready */
+#define IMGU_ABI_EVTTYPE_INPUT_FRAME_DONE              8
+/* Metadata ready */
+#define IMGU_ABI_EVTTYPE_METADATA_DONE                 9
+/* Indication that LACE statistics are available */
+#define IMGU_ABI_EVTTYPE_LACE_STATS_DONE               10
+/* Extension stage executed */
+#define IMGU_ABI_EVTTYPE_ACC_STAGE_COMPLETE            11
+/* Timing measurement data */
+#define IMGU_ABI_EVTTYPE_TIMER                         12
+/* End Of Frame event, sent when in buffered sensor mode */
+#define IMGU_ABI_EVTTYPE_PORT_EOF                      13
+/* Performance warning encountered by FW */
+#define IMGU_ABI_EVTTYPE_FW_WARNING                    14
+/* Assertion hit by FW */
+#define IMGU_ABI_EVTTYPE_FW_ASSERT                     15
+
+struct imgu_abi_queue_info {
+       u8 size;                /* the maximum number of elements*/
+       u8 step;                /* number of bytes per element */
+       u8 start;               /* index of the oldest element */
+       u8 end;                 /* index at which to write the new element */
+} __packed;
+
+struct imgu_abi_queues {
+       /*
+        * Queues for the dynamic frame information,
+        * i.e. the "in_frame" buffer, the "out_frame"
+        * buffer and the "vf_out_frame" buffer.
+        */
+       struct imgu_abi_queue_info host2sp_bufq_info
+                       [IMGU_ABI_MAX_SP_THREADS][IMGU_ABI_QUEUE_NUM];
+       u32 host2sp_bufq[IMGU_ABI_MAX_SP_THREADS][IMGU_ABI_QUEUE_NUM]
+                       [IMGU_ABI_HOST2SP_BUFQ_SIZE];
+       struct imgu_abi_queue_info sp2host_bufq_info[IMGU_ABI_QUEUE_NUM];
+       u32 sp2host_bufq[IMGU_ABI_QUEUE_NUM][IMGU_ABI_SP2HOST_BUFQ_SIZE];
+
+       /*
+        * The queues for the events.
+        */
+       struct imgu_abi_queue_info host2sp_evtq_info;
+       u32 host2sp_evtq[IMGU_ABI_HOST2SP_EVTQ_SIZE];
+       struct imgu_abi_queue_info sp2host_evtq_info;
+       u32 sp2host_evtq[IMGU_ABI_SP2HOST_EVTQ_SIZE];
+} __packed;
+
+/***** Buffer descriptor *****/
+
+struct imgu_abi_metadata_info {
+       struct imgu_abi_resolution resolution;  /* Resolution */
+       u32 stride;                             /* Stride in bytes */
+       u32 size;                               /* Total size in bytes */
+} __packed;
+
+struct imgu_abi_isp_3a_statistics {
+       union {
+               struct {
+                       imgu_addr_t s3a_tbl;
+               } dmem;
+               struct {
+                       imgu_addr_t s3a_tbl_hi;
+                       imgu_addr_t s3a_tbl_lo;
+               } vmem;
+       } data;
+       struct {
+               imgu_addr_t rgby_tbl;
+       } data_hmem;
+       u32 exp_id;     /* exposure id, to match statistics to a frame, */
+       u32 isp_config_id;              /* Tracks per-frame configs */
+       imgu_addr_t data_ptr;           /* pointer to base of all data */
+       u32 size;                       /* total size of all data */
+       u32 dmem_size;
+       u32 vmem_size;                  /* both lo and hi have this size */
+       u32 hmem_size;
+} __packed;
+
+struct imgu_abi_metadata {
+       struct imgu_abi_metadata_info info;     /* Layout info */
+       imgu_addr_t address;            /* CSS virtual address */
+       u32 exp_id;                     /* Exposure ID */
+} __packed;
+
+struct imgu_abi_time_meas {
+       u32 start_timer_value;          /* measured time in ticks */
+       u32 end_timer_value;            /* measured time in ticks */
+} __packed;
+
+struct imgu_abi_buffer {
+       union {
+               struct imgu_abi_isp_3a_statistics s3a;
+               u8 __reserved[28];
+               imgu_addr_t skc_dvs_statistics;
+               imgu_addr_t lace_stat;
+               struct imgu_abi_metadata metadata;
+               struct {
+                       imgu_addr_t frame_data;
+                       u32 flashed;
+                       u32 exp_id;
+                       u32 isp_parameters_id;   /* Tracks per-frame configs */
+                       u32 padded_width;
+               } frame;
+               imgu_addr_t ddr_ptrs;
+       } payload;
+       /*
+        * kernel_ptr is present for host administration purposes only.
+        * type is uint64_t in order to be 64-bit host compatible.
+        * uint64_t does not exist on SP/ISP.
+        * Size of the struct is checked by sp.hive.c.
+        */
+       u64 cookie_ptr __aligned(8);
+       u64 kernel_ptr;
+       struct imgu_abi_time_meas timing_data;
+       u32 isys_eof_clock_tick;
+} __packed;
+
+#define IMGU_ABI_NUM_CONTINUOUS_FRAMES         10
+#define IMGU_ABI_SP_COMM_COMMAND               0x00
+
+/*
+ * The host2sp_cmd_ready command is the only command written by the SP
+ * It acknowledges that is previous command has been received.
+ * (this does not mean that the command has been executed)
+ * It also indicates that a new command can be send (it is a queue
+ * with depth 1).
+ */
+#define IMGU_ABI_SP_COMM_COMMAND_READY         1
+/* Command written by the Host */
+#define IMGU_ABI_SP_COMM_COMMAND_DUMMY         2       /* No action */
+#define IMGU_ABI_SP_COMM_COMMAND_START_FLASH   3       /* Start the flash */
+#define IMGU_ABI_SP_COMM_COMMAND_TERMINATE     4       /* Terminate */
+
+/* n = 0..IPU3_CSS_PIPE_ID_NUM-1 */
+#define IMGU_ABI_SP_COMM_EVENT_IRQ_MASK(n)     ((n) * 4 + 0x60)
+#define IMGU_ABI_SP_COMM_EVENT_IRQ_MASK_OR_SHIFT       0
+
+struct imgu_abi_bl_dma_cmd_entry {
+       u32 src_addr;                   /* virtual DDR address */
+       u32 size;                       /* number of bytes to transferred */
+       u32 dst_type;
+#define IMGU_ABI_BL_DMACMD_TYPE_SP_PMEM        1       /* sp_pmem */
+       u32 dst_addr;                   /* hmm address of xMEM or MMIO */
+} __packed;
+
+struct imgu_abi_sp_init_dmem_cfg {
+       u32 ddr_data_addr;              /* data segment address in ddr  */
+       u32 dmem_data_addr;             /* data segment address in dmem */
+       u32 dmem_bss_addr;              /* bss segment address in dmem  */
+       u32 data_size;                  /* data segment size            */
+       u32 bss_size;                   /* bss segment size             */
+       u32 sp_id;                      /* sp id */
+} __packed;
+
+/***** For parameter computation *****/
+
+#define IMGU_SCALER_ELEMS_PER_VEC              0x10
+#define IMGU_SCALER_FILTER_TAPS_Y              0x4
+#define IMGU_SCALER_OUT_BPP                    0x8
+
+#define IMGU_HIVE_OF_SYS_SCALER_TO_FA_OFFSET   0xC
+#define IMGU_HIVE_OF_SYS_OF_TO_FA_OFFSET       0x8
+
+#define IMGU_SCALER_MS_TO_OUTFORMACC_SL_ADDR   0x400
+#define IMGU_SCALER_TO_OF_ACK_FA_ADDR \
+       (0xC00  + IMGU_HIVE_OF_SYS_SCALER_TO_FA_OFFSET)
+#define IMGU_OF_TO_ACK_FA_ADDR (0xC00 + IMGU_HIVE_OF_SYS_OF_TO_FA_OFFSET)
+#define IMGU_OUTFORMACC_MS_TO_SCALER_SL_ADDR 0
+#define IMGU_OSYS_PHASES                       0x20
+#define IMGU_OSYS_FILTER_TAPS                  0x4
+#define IMGU_SCALER_INTR_BPP                   10
+
+#define IMGU_PS_SNR_PRESERVE_BITS              3
+#define IMGU_CNTX_BPP                          11
+#define IMGU_SCALER_FILTER_TAPS_UV     (IMGU_SCALER_FILTER_TAPS_Y / 2)
+
+#define IMGU_VMEM2_ELEMS_PER_VEC       (IMGU_SCALER_ELEMS_PER_VEC)
+#define IMGU_STRIDE_Y                  (IMGU_SCALER_FILTER_TAPS_Y + 1)
+#define IMGU_MAX_FRAME_WIDTH           3840
+#define IMGU_VMEM3_ELEMS_PER_VEC       (IMGU_SCALER_ELEMS_PER_VEC)
+
+#define IMGU_VER_CNTX_WORDS            DIV_ROUND_UP((IMGU_SCALER_OUT_BPP + \
+       IMGU_PS_SNR_PRESERVE_BITS), IMGU_CNTX_BPP)      /* 1 */
+#define IMGU_MAX_INPUT_BLOCK_HEIGHT    64
+#define IMGU_HOR_CNTX_WORDS            DIV_ROUND_UP((IMGU_SCALER_INTR_BPP + \
+       IMGU_PS_SNR_PRESERVE_BITS), IMGU_CNTX_BPP)      /* 2 */
+#define IMGU_MAX_OUTPUT_BLOCK_WIDTH            128
+#define IMGU_CNTX_STRIDE_UV            (IMGU_SCALER_FILTER_TAPS_UV + 1)
+
+#define IMGU_OSYS_PHASE_COUNTER_PREC_REF       6
+#define IMGU_VMEM1_Y_SIZE \
+       (IMGU_OSYS_BLOCK_HEIGHT * IMGU_VMEM1_Y_STRIDE)
+#define IMGU_VMEM1_UV_SIZE                     (IMGU_VMEM1_Y_SIZE / 4)
+#define IMGU_VMEM1_OUT_BUF_ADDR                        
(IMGU_VMEM1_INP_BUF_ADDR + \
+       (IMGU_OSYS_NUM_INPUT_BUFFERS * IMGU_VMEM1_BUF_SIZE))
+#define IMGU_OSYS_NUM_OUTPUT_BUFFERS           2
+
+/* transpose of input height */
+#define IMGU_VMEM2_VECS_PER_LINE \
+       (DIV_ROUND_UP(IMGU_OSYS_BLOCK_HEIGHT, IMGU_VMEM2_ELEMS_PER_VEC))
+/* size in words (vectors)  */
+#define IMGU_VMEM2_BUF_SIZE \
+       (IMGU_VMEM2_VECS_PER_LINE * IMGU_VMEM2_LINES_PER_BLOCK)
+#define IMGU_VMEM3_VER_Y_SIZE  \
+                       ((IMGU_STRIDE_Y * IMGU_MAX_FRAME_WIDTH \
+                        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_VER_CNTX_WORDS)
+#define IMGU_VMEM3_HOR_Y_SIZE \
+       ((IMGU_STRIDE_Y * IMGU_MAX_INPUT_BLOCK_HEIGHT \
+        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_HOR_CNTX_WORDS)
+#define IMGU_VMEM3_VER_Y_EXTRA \
+       ((IMGU_STRIDE_Y * IMGU_MAX_OUTPUT_BLOCK_WIDTH \
+        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_VER_CNTX_WORDS)
+#define IMGU_VMEM3_VER_U_SIZE \
+       (((IMGU_CNTX_STRIDE_UV * IMGU_MAX_FRAME_WIDTH \
+        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_VER_CNTX_WORDS) / 2)
+#define IMGU_VMEM3_HOR_U_SIZE \
+       (((IMGU_STRIDE_Y * IMGU_MAX_INPUT_BLOCK_HEIGHT \
+        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_HOR_CNTX_WORDS) / 2)
+#define IMGU_VMEM3_VER_U_EXTRA \
+       (((IMGU_CNTX_STRIDE_UV * IMGU_MAX_OUTPUT_BLOCK_WIDTH \
+        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_VER_CNTX_WORDS) / 2)
+#define IMGU_VMEM3_VER_V_SIZE \
+       (((IMGU_CNTX_STRIDE_UV * IMGU_MAX_FRAME_WIDTH \
+        / IMGU_VMEM3_ELEMS_PER_VEC) * IMGU_VER_CNTX_WORDS) / 2)
+
+#define IMGU_OSYS_DMA_CROP_W_LIMIT     64
+#define IMGU_OSYS_DMA_CROP_H_LIMIT     4
+
+#define IMGU_ISP_VEC_NELEMS            64
+#define IMGU_LUMA_TO_CHROMA_RATIO      2
+#define IMGU_OSYS_FIR_PHASES \
+       (IMGU_OSYS_PHASES << IMGU_OSYS_PHASE_COUNTER_PREC_REF)
+#define IMGU_OSYS_TAPS_UV              (IMGU_OSYS_FILTER_TAPS / 2)
+#define IMGU_INPUT_BLOCK_WIDTH                 (128)
+#define IMGU_OSYS_TAPS_Y               (IMGU_OSYS_FILTER_TAPS)
+#define IMGU_FIFO_ADDR_SCALER_TO_FMT \
+       (IMGU_SCALER_MS_TO_OUTFORMACC_SL_ADDR >> 2)
+#define IMGU_FIFO_ADDR_SCALER_TO_SP    (IMGU_SCALER_TO_OF_ACK_FA_ADDR >> 2)
+#define IMGU_VMEM1_INP_BUF_ADDR                0
+#define IMGU_VMEM1_Y_STRIDE \
+       (IMGU_OSYS_BLOCK_WIDTH / IMGU_VMEM1_ELEMS_PER_VEC)
+#define IMGU_VMEM1_BUF_SIZE    (IMGU_VMEM1_V_OFFSET + IMGU_VMEM1_UV_SIZE)
+
+#define IMGU_VMEM1_U_OFFSET            (IMGU_VMEM1_Y_SIZE)
+#define IMGU_VMEM1_V_OFFSET    (IMGU_VMEM1_U_OFFSET + IMGU_VMEM1_UV_SIZE)
+#define IMGU_VMEM1_UV_STRIDE           (IMGU_VMEM1_Y_STRIDE / 2)
+#define IMGU_OSYS_NUM_INPUT_BUFFERS    2
+#define IMGU_VMEM1_INT_BUF_ADDR                (IMGU_VMEM1_OUT_BUF_ADDR + \
+       (IMGU_OSYS_NUM_OUTPUT_BUFFERS * IMGU_VMEM1_BUF_SIZE))
+
+#define IMGU_VMEM1_ELEMS_PER_VEC       (IMGU_HIVE_OF_SYS_OF_SYSTEM_NWAYS)
+#define IMGU_OSYS_NUM_INTERM_BUFFERS   2
+#define IMGU_VMEM2_BUF_Y_ADDR          0
+#define IMGU_VMEM2_BUF_Y_STRIDE                (IMGU_VMEM2_VECS_PER_LINE)
+#define IMGU_VMEM2_BUF_U_ADDR \
+       (IMGU_VMEM2_BUF_Y_ADDR + IMGU_VMEM2_BUF_SIZE)
+#define IMGU_VMEM2_BUF_V_ADDR \
+       (IMGU_VMEM2_BUF_U_ADDR + IMGU_VMEM2_BUF_SIZE / 4)
+#define IMGU_VMEM2_BUF_UV_STRIDE       (IMGU_VMEM2_VECS_PER_LINE / 2)
+/* 1.5 x depth of intermediate buffer */
+#define IMGU_VMEM2_LINES_PER_BLOCK     192
+#define IMGU_VMEM3_HOR_Y_ADDR \
+       (IMGU_VMEM3_VER_Y_ADDR + IMGU_VMEM3_VER_Y_SIZE)
+#define IMGU_VMEM3_HOR_U_ADDR \
+       (IMGU_VMEM3_VER_U_ADDR + IMGU_VMEM3_VER_U_SIZE)
+#define IMGU_VMEM3_HOR_V_ADDR \
+       (IMGU_VMEM3_VER_V_ADDR + IMGU_VMEM3_VER_V_SIZE)
+#define IMGU_VMEM3_VER_Y_ADDR          0
+#define IMGU_VMEM3_VER_U_ADDR \
+       (IMGU_VMEM3_VER_Y_ADDR + IMGU_VMEM3_VER_Y_SIZE + \
+       max(IMGU_VMEM3_HOR_Y_SIZE, IMGU_VMEM3_VER_Y_EXTRA))
+#define IMGU_VMEM3_VER_V_ADDR \
+       (IMGU_VMEM3_VER_U_ADDR + IMGU_VMEM3_VER_U_SIZE + \
+       max(IMGU_VMEM3_HOR_U_SIZE, IMGU_VMEM3_VER_U_EXTRA))
+#define IMGU_HIVE_OF_SYS_OF_SYSTEM_NWAYS       32
+#define IMGU_FIFO_ADDR_FMT_TO_SP       (IMGU_OF_TO_ACK_FA_ADDR >> 2)
+#define IMGU_FIFO_ADDR_FMT_TO_SCALER (IMGU_OUTFORMACC_MS_TO_SCALER_SL_ADDR >> 
2)
+#define IMGU_VMEM1_HST_BUF_ADDR                (IMGU_VMEM1_INT_BUF_ADDR + \
+       (IMGU_OSYS_NUM_INTERM_BUFFERS * IMGU_VMEM1_BUF_SIZE))
+#define IMGU_VMEM1_HST_BUF_STRIDE      120
+#define IMGU_VMEM1_HST_BUF_NLINES      3
+
+#endif
diff --git a/drivers/media/pci/intel/ipu3/ipu3-css-fw.c 
b/drivers/media/pci/intel/ipu3/ipu3-css-fw.c
new file mode 100644
index 000000000000..449bc2794d4a
--- /dev/null
+++ b/drivers/media/pci/intel/ipu3/ipu3-css-fw.c
@@ -0,0 +1,261 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Intel Corporation
+
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+
+#include "ipu3-css.h"
+#include "ipu3-css-fw.h"
+#include "ipu3-dmamap.h"
+
+static void ipu3_css_fw_show_binary(struct device *dev, struct imgu_fw_info 
*bi,
+                                   const char *name)
+{
+       unsigned int i;
+
+       dev_dbg(dev, "found firmware binary type %i size %i name %s\n",
+               bi->type, bi->blob.size, name);
+       if (bi->type != IMGU_FW_ISP_FIRMWARE)
+               return;
+
+       dev_dbg(dev, "    id %i mode %i bds 0x%x veceven %i/%i out_pins %i\n",
+               bi->info.isp.sp.id, bi->info.isp.sp.pipeline.mode,
+               bi->info.isp.sp.bds.supported_bds_factors,
+               bi->info.isp.sp.enable.vf_veceven,
+               bi->info.isp.sp.vf_dec.is_variable,
+               bi->info.isp.num_output_pins);
+
+       dev_dbg(dev, "    input (%i,%i)-(%i,%i) formats %s%s%s\n",
+               bi->info.isp.sp.input.min_width,
+               bi->info.isp.sp.input.min_height,
+               bi->info.isp.sp.input.max_width,
+               bi->info.isp.sp.input.max_height,
+               bi->info.isp.sp.enable.input_yuv ? "yuv420 " : "",
+               bi->info.isp.sp.enable.input_feeder ||
+               bi->info.isp.sp.enable.input_raw ? "raw8 raw10 " : "",
+               bi->info.isp.sp.enable.input_raw ? "raw12" : "");
+
+       dev_dbg(dev, "    internal (%i,%i)\n",
+               bi->info.isp.sp.internal.max_width,
+               bi->info.isp.sp.internal.max_height);
+
+       dev_dbg(dev, "    output (%i,%i)-(%i,%i) formats",
+               bi->info.isp.sp.output.min_width,
+               bi->info.isp.sp.output.min_height,
+               bi->info.isp.sp.output.max_width,
+               bi->info.isp.sp.output.max_height);
+       for (i = 0; i < bi->info.isp.num_output_formats; i++)
+               dev_dbg(dev, " %i", bi->info.isp.output_formats[i]);
+       dev_dbg(dev, " vf");
+       for (i = 0; i < bi->info.isp.num_vf_formats; i++)
+               dev_dbg(dev, " %i", bi->info.isp.vf_formats[i]);
+       dev_dbg(dev, "\n");
+}
+
+unsigned int ipu3_css_fw_obgrid_size(const struct imgu_fw_info *bi)
+{
+       unsigned int width = DIV_ROUND_UP(bi->info.isp.sp.internal.max_width,
+                                         IMGU_OBGRID_TILE_SIZE * 2) + 1;
+       unsigned int height = DIV_ROUND_UP(bi->info.isp.sp.internal.max_height,
+                                          IMGU_OBGRID_TILE_SIZE * 2) + 1;
+       unsigned int obgrid_size;
+
+       width = ALIGN(width, IPU3_UAPI_ISP_VEC_ELEMS / 4);
+       obgrid_size = PAGE_ALIGN(width * height *
+                                sizeof(struct ipu3_uapi_obgrid_param)) *
+                                bi->info.isp.sp.iterator.num_stripes;
+       return obgrid_size;
+}
+
+void *ipu3_css_fw_pipeline_params(struct ipu3_css *css,
+                                 enum imgu_abi_param_class cls,
+                                 enum imgu_abi_memories mem,
+                                 struct imgu_fw_isp_parameter *par,
+                                 size_t par_size, void *binary_params)
+{
+       struct imgu_fw_info *bi = &css->fwp->binary_header[css->current_binary];
+
+       if (par->offset + par->size >
+           bi->info.isp.sp.mem_initializers.params[cls][mem].size)
+               return NULL;
+
+       if (par->size != par_size)
+               pr_warn("parameter size doesn't match defined size\n");
+
+       if (par->size < par_size)
+               return NULL;
+
+       return binary_params + par->offset;
+}
+
+void ipu3_css_fw_cleanup(struct ipu3_css *css)
+{
+       if (css->binary) {
+               unsigned int i;
+
+               for (i = 0; i < css->fwp->file_header.binary_nr; i++)
+                       ipu3_dmamap_free(css->dev, &css->binary[i]);
+               kfree(css->binary);
+       }
+       if (css->fw)
+               release_firmware(css->fw);
+
+       css->binary = NULL;
+       css->fw = NULL;
+}
+
+int ipu3_css_fw_init(struct ipu3_css *css)
+{
+       static const u32 BLOCK_MAX = 65536;
+       struct device *dev = css->dev;
+       unsigned int i, j, binary_nr;
+       int r;
+
+       r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev);
+       if (r)
+               return r;
+
+       /* Check and display fw header info */
+
+       css->fwp = (struct imgu_fw_header *)css->fw->data;
+       if (css->fw->size < sizeof(struct imgu_fw_header *) ||
+           css->fwp->file_header.h_size != sizeof(struct imgu_fw_bi_file_h))
+               goto bad_fw;
+       if (sizeof(struct imgu_fw_bi_file_h) +
+           css->fwp->file_header.binary_nr * sizeof(struct imgu_fw_info) >
+           css->fw->size)
+               goto bad_fw;
+
+       dev_info(dev, "loaded firmware version %.64s, %u binaries, %zu bytes\n",
+                css->fwp->file_header.version, css->fwp->file_header.binary_nr,
+                css->fw->size);
+
+       /* Validate and display info on fw binaries */
+
+       binary_nr = css->fwp->file_header.binary_nr;
+
+       css->fw_bl = -1;
+       css->fw_sp[0] = -1;
+       css->fw_sp[1] = -1;
+
+       for (i = 0; i < binary_nr; i++) {
+               struct imgu_fw_info *bi = &css->fwp->binary_header[i];
+               const char *name = (void *)css->fwp + bi->blob.prog_name_offset;
+               size_t len;
+
+               if (bi->blob.prog_name_offset >= css->fw->size)
+                       goto bad_fw;
+               len = strnlen(name, css->fw->size - bi->blob.prog_name_offset);
+               if (len + 1 > css->fw->size - bi->blob.prog_name_offset ||
+                   len + 1 >= IMGU_ABI_MAX_BINARY_NAME)
+                       goto bad_fw;
+
+               if (bi->blob.size != bi->blob.text_size + bi->blob.icache_size
+                   + bi->blob.data_size + bi->blob.padding_size)
+                       goto bad_fw;
+               if (bi->blob.offset + bi->blob.size > css->fw->size)
+                       goto bad_fw;
+
+               if (bi->type == IMGU_FW_BOOTLOADER_FIRMWARE) {
+                       css->fw_bl = i;
+                       if (bi->info.bl.sw_state >= css->iomem_length ||
+                           bi->info.bl.num_dma_cmds >= css->iomem_length ||
+                           bi->info.bl.dma_cmd_list >= css->iomem_length)
+                               goto bad_fw;
+               }
+               if (bi->type == IMGU_FW_SP_FIRMWARE ||
+                   bi->type == IMGU_FW_SP1_FIRMWARE) {
+                       css->fw_sp[bi->type == IMGU_FW_SP_FIRMWARE ? 0 : 1] = i;
+                       if (bi->info.sp.per_frame_data >= css->iomem_length ||
+                           bi->info.sp.init_dmem_data >= css->iomem_length ||
+                           bi->info.sp.host_sp_queue >= css->iomem_length ||
+                           bi->info.sp.isp_started >= css->iomem_length ||
+                           bi->info.sp.sw_state >= css->iomem_length ||
+                           bi->info.sp.sleep_mode >= css->iomem_length ||
+                           bi->info.sp.invalidate_tlb >= css->iomem_length ||
+                           bi->info.sp.host_sp_com >= css->iomem_length ||
+                           bi->info.sp.output + 12 >= css->iomem_length ||
+                           bi->info.sp.host_sp_queues_initialized >=
+                           css->iomem_length)
+                               goto bad_fw;
+               }
+               if (bi->type != IMGU_FW_ISP_FIRMWARE)
+                       continue;
+
+               if (bi->info.isp.sp.pipeline.mode >= IPU3_CSS_PIPE_ID_NUM)
+                       goto bad_fw;
+
+               if (bi->info.isp.sp.iterator.num_stripes >
+                   IPU3_UAPI_MAX_STRIPES)
+                       goto bad_fw;
+
+               if (bi->info.isp.num_vf_formats > IMGU_ABI_FRAME_FORMAT_NUM ||
+                   bi->info.isp.num_output_formats > IMGU_ABI_FRAME_FORMAT_NUM)
+                       goto bad_fw;
+
+               for (j = 0; j < bi->info.isp.num_output_formats; j++)
+                       if (bi->info.isp.output_formats[j] < 0 ||
+                           bi->info.isp.output_formats[j] >=
+                           IMGU_ABI_FRAME_FORMAT_NUM)
+                               goto bad_fw;
+               for (j = 0; j < bi->info.isp.num_vf_formats; j++)
+                       if (bi->info.isp.vf_formats[j] < 0 ||
+                           bi->info.isp.vf_formats[j] >=
+                           IMGU_ABI_FRAME_FORMAT_NUM)
+                               goto bad_fw;
+
+               if (bi->info.isp.sp.block.block_width <= 0 ||
+                   bi->info.isp.sp.block.block_width > BLOCK_MAX ||
+                   bi->info.isp.sp.block.output_block_height <= 0 ||
+                   bi->info.isp.sp.block.output_block_height > BLOCK_MAX)
+                       goto bad_fw;
+
+               if (bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_PARAM]
+                   + sizeof(struct imgu_fw_param_memory_offsets) >
+                   css->fw->size ||
+                   bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_CONFIG]
+                   + sizeof(struct imgu_fw_config_memory_offsets) >
+                   css->fw->size ||
+                   bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_STATE]
+                   + sizeof(struct imgu_fw_state_memory_offsets) >
+                   css->fw->size)
+                       goto bad_fw;
+
+               ipu3_css_fw_show_binary(dev, bi, name);
+       }
+
+       if (css->fw_bl == -1 || css->fw_sp[0] == -1 || css->fw_sp[1] == -1)
+               goto bad_fw;
+
+       /* Allocate and map fw binaries into IMGU */
+
+       css->binary = kcalloc(binary_nr, sizeof(*css->binary), GFP_KERNEL);
+       if (!css->binary) {
+               r = -ENOMEM;
+               goto error_out;
+       }
+
+       for (i = 0; i < css->fwp->file_header.binary_nr; i++) {
+               struct imgu_fw_info *bi = &css->fwp->binary_header[i];
+               void *blob = (void *)css->fwp + bi->blob.offset;
+               size_t size = bi->blob.size;
+
+               if (!ipu3_dmamap_alloc(css->dev, &css->binary[i], size)) {
+                       r = -ENOMEM;
+                       goto error_out;
+               }
+               memcpy(css->binary[i].vaddr, blob, size);
+       }
+
+       return 0;
+
+bad_fw:
+       dev_err(dev, "invalid firmware binary, size %u\n", (int)css->fw->size);
+       r = -ENODEV;
+
+error_out:
+       ipu3_css_fw_cleanup(css);
+       return r;
+}
diff --git a/drivers/media/pci/intel/ipu3/ipu3-css-fw.h 
b/drivers/media/pci/intel/ipu3/ipu3-css-fw.h
new file mode 100644
index 000000000000..700ab2abed2d
--- /dev/null
+++ b/drivers/media/pci/intel/ipu3/ipu3-css-fw.h
@@ -0,0 +1,198 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018 Intel Corporation */
+
+#ifndef __IPU3_CSS_FW_H
+#define __IPU3_CSS_FW_H
+
+/******************* Firmware file definitions *******************/
+
+#define IMGU_FW_NAME                   "ipu3-fw.bin"
+
+typedef u32 imgu_fw_ptr;
+
+enum imgu_fw_type {
+       IMGU_FW_SP_FIRMWARE,    /* Firmware for the SP */
+       IMGU_FW_SP1_FIRMWARE,   /* Firmware for the SP1 */
+       IMGU_FW_ISP_FIRMWARE,   /* Firmware for the ISP */
+       IMGU_FW_BOOTLOADER_FIRMWARE,    /* Firmware for the BootLoader */
+       IMGU_FW_ACC_FIRMWARE    /* Firmware for accelerations */
+};
+
+enum imgu_fw_acc_type {
+       IMGU_FW_ACC_NONE,       /* Normal binary */
+       IMGU_FW_ACC_OUTPUT,     /* Accelerator stage on output frame */
+       IMGU_FW_ACC_VIEWFINDER, /* Accelerator stage on viewfinder frame */
+       IMGU_FW_ACC_STANDALONE, /* Stand-alone acceleration */
+};
+
+struct imgu_fw_isp_parameter {
+       u32 offset;             /* Offset in isp_<mem> config, params, etc. */
+       u32 size;               /* Disabled if 0 */
+};
+
+struct imgu_fw_param_memory_offsets {
+       struct {
+               struct imgu_fw_isp_parameter lin;       /* lin_vmem_params */
+               struct imgu_fw_isp_parameter tnr3;      /* tnr3_vmem_params */
+               struct imgu_fw_isp_parameter xnr3;      /* xnr3_vmem_params */
+       } vmem;
+       struct {
+               struct imgu_fw_isp_parameter tnr;
+               struct imgu_fw_isp_parameter tnr3;      /* tnr3_params */
+               struct imgu_fw_isp_parameter xnr3;      /* xnr3_params */
+               struct imgu_fw_isp_parameter plane_io_config;   /* 192 bytes */
+               struct imgu_fw_isp_parameter rgbir;     /* rgbir_params */
+       } dmem;
+};
+
+struct imgu_fw_config_memory_offsets {
+       struct {
+               struct imgu_fw_isp_parameter iterator;
+               struct imgu_fw_isp_parameter dvs;
+               struct imgu_fw_isp_parameter output;
+               struct imgu_fw_isp_parameter raw;
+               struct imgu_fw_isp_parameter input_yuv;
+               struct imgu_fw_isp_parameter tnr;
+               struct imgu_fw_isp_parameter tnr3;
+               struct imgu_fw_isp_parameter ref;
+       } dmem;
+};
+
+struct imgu_fw_state_memory_offsets {
+       struct {
+               struct imgu_fw_isp_parameter tnr;
+               struct imgu_fw_isp_parameter tnr3;
+               struct imgu_fw_isp_parameter ref;
+       } dmem;
+};
+
+union imgu_fw_all_memory_offsets {
+       struct {
+               u64 imgu_fw_mem_offsets[3]; /* params, config, state */
+       } offsets;
+       struct {
+               u64 ptr;
+       } array[IMGU_ABI_PARAM_CLASS_NUM];
+};
+
+struct imgu_fw_binary_xinfo {
+       /* Part that is of interest to the SP. */
+       struct imgu_abi_binary_info sp;
+
+       /* Rest of the binary info, only interesting to the host. */
+       u32 type;       /* enum imgu_fw_acc_type */
+
+       u32 num_output_formats __aligned(8);
+       u32 output_formats[IMGU_ABI_FRAME_FORMAT_NUM];  /* enum frame_format */
+
+       /* number of supported vf formats */
+       u32 num_vf_formats __aligned(8);
+       /* types of supported vf formats */
+       u32 vf_formats[IMGU_ABI_FRAME_FORMAT_NUM];      /* enum frame_format */
+       u8 num_output_pins;
+       imgu_fw_ptr xmem_addr;
+
+       u64 imgu_fw_blob_descr_ptr __aligned(8);
+       u32 blob_index __aligned(8);
+       union imgu_fw_all_memory_offsets mem_offsets __aligned(8);
+       struct imgu_fw_binary_xinfo *next __aligned(8);
+};
+
+/* Scalar processor sw state */
+#define IMGU_ABI_SP_SWSTATE_TERMINATED 0
+#define IMGU_ABI_SP_SWSTATE_INITIALIZED        1
+#define IMGU_ABI_SP_SWSTATE_CONNECTED  2
+#define IMGU_ABI_SP_SWSTATE_RUNNING    3
+
+struct imgu_fw_sp_info {
+       u32 init_dmem_data;     /* data sect config, stored to dmem */
+       u32 per_frame_data;     /* Per frame data, stored to dmem */
+       u32 group;              /* Per pipeline data, loaded by dma */
+       u32 output;             /* SP output data, loaded by dmem */
+       u32 host_sp_queue;      /* Host <-> SP queues */
+       u32 host_sp_com;        /* Host <-> SP commands */
+       u32 isp_started;        /* P'ed from sensor thread, csim only */
+       u32 sw_state;           /* Polled from css */
+       u32 host_sp_queues_initialized; /* Polled from the SP */
+       u32 sleep_mode;         /* different mode to halt SP */
+       u32 invalidate_tlb;     /* inform SP to invalidate mmu TLB */
+       u32 debug_buffer_ddr_address;   /* the addr of DDR debug queue */
+
+       /* input system perf count array */
+       u32 perf_counter_input_system_error;
+       u32 threads_stack;      /* sp thread's stack pointers */
+       u32 threads_stack_size; /* sp thread's stack sizes */
+       u32 curr_binary_id;     /* current binary id */
+       u32 raw_copy_line_count;        /* raw copy line counter */
+       u32 ddr_parameter_address;      /* acc param ddrptr, sp dmem */
+       u32 ddr_parameter_size; /* acc param size, sp dmem */
+       /* Entry functions */
+       u32 sp_entry;           /* The SP entry function */
+       u32 tagger_frames_addr; /* Base address of tagger state */
+};
+
+/* Boot loader sw state */
+#define IMGU_ABI_BL_SWSTATE_OK         0x100
+#define IMGU_ABI_BL_SWSTATE_BUSY       (IMGU_ABI_BL_SWSTATE_OK + 1)
+#define IMGU_ABI_BL_SWSTATE_ERR                (IMGU_ABI_BL_SWSTATE_OK + 2)
+
+struct imgu_fw_bl_info {
+       u32 num_dma_cmds;       /* Number of cmds sent by CSS */
+       u32 dma_cmd_list;       /* Dma command list sent by CSS */
+       u32 sw_state;           /* Polled from css */
+       u32 bl_entry;           /* The SP entry function */
+};
+
+struct imgu_fw_acc_info {
+       u32 per_frame_data;     /* Dummy for now */
+};
+
+union imgu_fw_union {
+       struct imgu_fw_binary_xinfo isp;        /* ISP info */
+       struct imgu_fw_sp_info sp;      /* SP info */
+       struct imgu_fw_sp_info sp1;     /* SP1 info */
+       struct imgu_fw_bl_info bl;      /* Bootloader info */
+       struct imgu_fw_acc_info acc;    /* Accelerator info */
+};
+
+struct imgu_fw_info {
+       size_t header_size;     /* size of fw header */
+       u32 type __aligned(8);  /* enum imgu_fw_type */
+       union imgu_fw_union info;       /* Binary info */
+       struct imgu_abi_blob_info blob; /* Blob info */
+       /* Dynamic part */
+       u64 next;
+
+       u32 loaded __aligned(8);        /* Firmware has been loaded */
+       const u64 isp_code __aligned(8);        /* ISP pointer to code */
+       /* Firmware handle between user space and kernel */
+       u32 handle __aligned(8);
+       /* Sections to copy from/to ISP */
+       struct imgu_abi_isp_param_segments mem_initializers;
+       /* Initializer for local ISP memories */
+};
+
+struct imgu_fw_bi_file_h {
+       char version[64];       /* branch tag + week day + time */
+       int binary_nr;          /* Number of binaries */
+       unsigned int h_size;    /* sizeof(struct imgu_fw_bi_file_h) */
+};
+
+struct imgu_fw_header {
+       struct imgu_fw_bi_file_h file_header;
+       struct imgu_fw_info binary_header[1];   /* binary_nr items */
+};
+
+/******************* Firmware functions *******************/
+
+int ipu3_css_fw_init(struct ipu3_css *css);
+void ipu3_css_fw_cleanup(struct ipu3_css *css);
+
+unsigned int ipu3_css_fw_obgrid_size(const struct imgu_fw_info *bi);
+void *ipu3_css_fw_pipeline_params(struct ipu3_css *css,
+                                 enum imgu_abi_param_class cls,
+                                 enum imgu_abi_memories mem,
+                                 struct imgu_fw_isp_parameter *par,
+                                 size_t par_size, void *binary_params);
+
+#endif
-- 
2.7.4

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